/* ── Anti-flicker Transition Suppression ── */
html:not(.theme-ready) *,
html:not(.theme-ready) *::before,
html:not(.theme-ready) *::after {
    transition: none !important;
}

:root {
    --color-mimosa: #f5c84c;
    --color-mimosa-soft: #fff8df;
    --color-raspberry: #d92f5d;
    --color-raspberry-soft: #fff0f4;
    --color-primary: #2f56d3;
    --color-primary-dark: #2445ad;
    --color-primary-soft: #eef2ff;
    --color-text: #171717;
    --color-muted: #666666;
    --color-background: #ffffff;
    --color-surface: #f7f7f5;
    --color-border: #e7e7e3;
    --color-border-strong: #cfcfca;
    --shadow-panel: 0 18px 55px rgba(23, 23, 23, 0.07);
    --radius-small: 10px;
    --radius-medium: 18px;
    --radius-large: 28px;
    --container: 1120px;
    --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ── Dark Mode Design Tokens ── */
[data-theme="dark"] {
    --color-mimosa: #fbbf24;
    --color-mimosa-soft: rgba(251, 191, 36, 0.15);
    --color-raspberry: #fb7185;
    --color-raspberry-soft: rgba(251, 113, 133, 0.15);
    --color-primary: #60a5fa;
    --color-primary-dark: #93c5fd;
    --color-primary-soft: rgba(96, 165, 250, 0.18);
    --color-text: #f8fafc;
    --color-muted: #94a3b8;
    --color-background: #090d16;
    --color-surface: #131d31;
    --color-border: #1e293b;
    --color-border-strong: #334155;
    --shadow-panel: 0 18px 55px rgba(0, 0, 0, 0.5);
}


/* Locally reviewed lexical pilot */
.pilot-badge { display: inline-flex; padding: .45rem .75rem; border: 1px solid #9a5b00; border-radius: 999px; background: #fff3c4; color: #603900; font-size: .82rem; font-weight: 800; }
.word-intro h1 { font-size: clamp(3rem, 9vw, 6.5rem); letter-spacing: -.055em; overflow-wrap: anywhere; }
.word-fact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; margin: 1.25rem 0; }
.word-fact-grid .editorial-block { margin: 0; }
.fact-list { display: grid; gap: .85rem; margin: 0; }
.fact-list div { display: grid; grid-template-columns: minmax(8rem, .65fr) 1fr; gap: 1rem; padding-bottom: .75rem; border-bottom: 1px solid var(--color-border); }
.fact-list dt { font-weight: 800; }
.fact-list dd { margin: 0; }
.word-links { display: flex; flex-wrap: wrap; gap: .6rem; padding: 0; list-style: none; }
.word-links li { padding: .45rem .7rem; border: 1px solid var(--color-border); border-radius: 999px; background: #fff; }
.word-links a { color: var(--color-text); font-weight: 800; }
.word-page .editorial-block, .word-page .source-note, .word-page .lead { overflow-wrap: anywhere; }
.lexical-analyses { padding-left: 1.25rem; }
.lexical-analyses li + li { margin-top: .6rem; }
.word-page .breadcrumbs, .word-page .eyebrow { font-size: .875rem; }
.relation-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; padding: 0; list-style: none; }
.relation-list li { display: flex; flex-direction: column; gap: .2rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: 1rem; background: #fff; }
.relation-list a { min-width: 24px; min-height: 24px; display: inline-flex; align-items: center; color: var(--color-text); font-size: 1.1rem; font-weight: 850; }
.relation-list span { color: var(--muted); font-size: .85rem; }
.word-tool-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.word-tool-links a { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: .85rem; color: var(--color-text); font-weight: 800; text-decoration: none; }
.word-tool-links a:hover, .word-tool-links a:focus-visible { border-color: var(--color-text); background: var(--color-surface); }
.source-note { margin: 2rem 0; padding: 1.25rem; border-left: .35rem solid var(--color-mimosa); background: #fff9e8; }
.source-note h2 { margin-top: 0; }
.source-note a { min-height: 24px; display: inline-flex; align-items: center; }

@media (max-width: 720px) {
    .word-fact-grid, .relation-list, .word-tool-links { grid-template-columns: 1fr; }
    .fact-list div { grid-template-columns: 1fr; gap: .25rem; }
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--color-text);
    background-color: var(--color-background);
    background-image:
        radial-gradient(circle at 86% 0%, rgba(245, 200, 76, 0.45) 0%, rgba(245, 200, 76, 0.25) 28%, rgba(254, 240, 138, 0.10) 52%, transparent 48rem),
        radial-gradient(circle at 12% 160px, rgba(245, 200, 76, 0.16) 0%, transparent 32rem),
        linear-gradient(180deg, rgba(255, 252, 235, 0.6) 0%, rgba(255, 255, 255, 0) 650px);
    background-repeat: no-repeat;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}

button,
input,
select,
textarea {
    font: inherit;
}

button,
summary,
a {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--color-primary) 38%, transparent);
    outline-offset: 3px;
}

.container {
    width: min(calc(100% - 32px), var(--container));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 10px;
    left: 10px;
    padding: 10px 14px;
    color: #fff;
    background: var(--color-primary-dark);
    border-radius: 8px;
    transform: translateY(-160%);
}

.skip-link:focus {
    transform: translateY(0);
}

/* ── Header (Floating Glassmorphic Island) ───────────────── */
.site-header {
    position: sticky;
    top: 0.75rem;
    z-index: 1000;
    max-width: var(--container);
    width: calc(100% - 2rem);
    margin-inline: auto;
    margin-bottom: calc(-1 * (0.75rem + 3.875rem));
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.40) 0%, rgba(255, 255, 255, 0.18) 100%);
    backdrop-filter: blur(28px) saturate(200%) brightness(104%);
    -webkit-backdrop-filter: blur(28px) saturate(200%) brightness(104%);
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: var(--radius-large);
    box-shadow: 
        0 20px 40px -12px rgba(15, 23, 42, 0.08),
        0 6px 16px -4px rgba(15, 23, 42, 0.03),
        inset 0 1.5px 1.5px 0 rgba(255, 255, 255, 0.95),
        inset 0 -1px 1px 0 rgba(255, 255, 255, 0.25);
    transition: background 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.site-header:has(.mobile-nav[open]),
.site-header.has-nav-open {
    z-index: 1200;
}

.header-container {
    width: 100%;
    margin-inline: auto;
    padding: 0.35rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 3.875rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-height: 44px;
    color: var(--color-text);
    text-decoration: none;
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.15;
}

.brand-title {
    font-size: 1.4rem;
    font-weight: 850;
    letter-spacing: -0.025em;
    color: var(--color-text);
}

.brand-subtitle {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-text-muted, #52525b);
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.brand b,
.footer-brand span {
    color: var(--color-raspberry);
}

.brand-mark {
    display: grid;
    grid-template-columns: repeat(3, 22px);
    gap: 3px;
    align-items: center;
}

.brand-dice {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    isolation: isolate;
}

.brand-dice-icon {
    display: block;
    width: 48px;
    height: 48px;
    overflow: visible;
}

.brand-dice-icon .dice-circle-bg {
    fill: var(--color-mimosa, #f5c84c);
    transform-box: fill-box;
    transform-origin: center;
    filter: drop-shadow(0 3px 5px rgba(120, 79, 0, 0.16));
}

.brand-dice-icon .dice-circle-ring {
    fill: none;
    stroke: rgba(255, 255, 255, 0.42);
    stroke-width: 1.5;
}

.brand-dice-icon .dice-ground-shadow {
    fill: rgba(24, 24, 27, 0.2);
    transform-box: fill-box;
    transform-origin: center;
}

.brand-dice-icon .dice-cube {
    transform-box: fill-box;
    transform-origin: center;
    transform: rotate(-8deg);
    filter: drop-shadow(0 2.5px 2px rgba(24, 24, 27, 0.28));
    transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.brand-dice-icon .dice-body-edge {
    fill: #cbd0d7;
    stroke: #18181b;
    stroke-width: 2.2;
}

.brand-dice-icon .dice-body {
    fill: #ffffff;
    stroke: #18181b;
    stroke-width: 2.2;
}

.brand-dice-icon .dice-body-highlight {
    fill: none;
    stroke: rgba(255, 255, 255, 0.95);
    stroke-width: 1.3;
    stroke-linecap: round;
}

.brand-dice-icon .dice-pip-well {
    fill: #111115;
    stroke: #000000;
    stroke-width: .6;
    filter: drop-shadow(0 1px .35px rgba(255, 255, 255, 0.7));
}

.brand-dice-icon .dice-pip-shine {
    fill: rgba(255, 255, 255, 0.32);
}

@keyframes dice-spin {
    0% {
        transform: rotate(-8deg) scale(1);
    }
    76% {
        transform: rotate(362deg) scale(1.16);
    }
    90% {
        transform: rotate(347deg) scale(1.1);
    }
    100% {
        transform: rotate(352deg) scale(1.12);
    }
}

.brand:hover .dice-cube,
.brand:focus-visible .dice-cube,
.footer-brand-lockup:hover .dice-cube {
    animation: dice-spin 1.1s cubic-bezier(0.22, 0.8, 0.32, 1) forwards;
}

.brand-mark i {
    width: 22px;
    height: 26px;
    display: grid;
    place-items: center;
    color: #18181b;
    background: var(--color-mimosa, #f5c84c);
    border-radius: 5px;
    font-size: 11px;
    font-style: normal;
    font-weight: 900;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.brand-mark i:nth-child(2) {
    color: #ffffff;
    background: var(--color-raspberry, #c52b63);
}

.brand-mark i:nth-child(3) {
    color: #ffffff;
    background: var(--color-primary, #2563eb);
}

.desktop-nav {
    display: none !important;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.language-switcher {
    margin-top: 0.65rem;
    padding-top: 0.65rem;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.language-switcher-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.2rem 0.65rem 0.5rem;
}

.language-switcher-title {
    font-size: 0.72rem;
    font-weight: 750;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-muted);
}

.language-current-indicator {
    display: inline-flex;
    align-items: center;
}

.language-flag {
    width: 24px;
    height: 24px;
    display: inline-flex;
    flex: 0 0 24px;
    overflow: hidden;
    border: 1px solid rgba(23, 23, 23, 0.12);
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 6px rgba(23, 23, 23, 0.10);
}

.language-flag svg {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: inherit;
}

.language-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.2rem 0.25rem 0.1rem;
}

.language-option {
    min-height: 38px;
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1.5px solid transparent;
    border-radius: 50%;
    text-decoration: none;
    transition: background 160ms ease, border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
    flex-shrink: 0;
}

a.language-option:hover,
a.language-option:focus-visible {
    background: rgba(47, 86, 211, 0.12);
    border-color: rgba(47, 86, 211, 0.4);
    transform: translateY(-2px) scale(1.08);
}

.language-option.is-current {
    background: var(--color-primary-soft);
    border-color: rgba(47, 86, 211, 0.55);
    box-shadow: 0 2px 8px rgba(47, 86, 211, 0.20), inset 0 0 0 1px rgba(47, 86, 211, 0.35);
}

.language-option.is-planned {
    cursor: not-allowed;
    opacity: 0.45;
}

.language-option.is-planned .language-flag {
    filter: grayscale(0.5);
}

.mobile-nav {
    display: block;
    position: relative;
}

.mobile-nav > summary {
    width: 2.75rem;
    height: 2.75rem;
    min-height: 2.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 2px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-large);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04), inset 0 1px 1px rgba(255, 255, 255, 0.7);
    cursor: pointer;
    list-style: none;
    transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.mobile-nav > summary::-webkit-details-marker {
    display: none;
}

.mobile-nav > summary:hover,
.mobile-nav > summary:focus-visible {
    background: #ffffff;
    border-color: var(--color-mimosa, #f5c84c);
    box-shadow: 
        0 4px 14px rgba(245, 200, 76, 0.35),
        0 0 0 1px rgba(245, 200, 76, 0.40),
        inset 0 1px 1px #ffffff;
    transform: translateY(-1px);
}

.mobile-nav[open] > summary {
    background: var(--color-mimosa-soft, #fff8df);
    border-color: var(--color-mimosa, #f5c84c);
    box-shadow: 0 2px 8px rgba(245, 200, 76, 0.28), inset 0 1px 2px rgba(245, 200, 76, 0.15);
}

.hamburger-icon {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    width: 20px;
    height: 14px;
    position: relative;
    pointer-events: none;
}

.hamburger-bar {
    display: block;
    height: 2.25px;
    background: var(--color-text);
    border-radius: 999px;
    transform-origin: center;
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1),
                width 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.2s ease,
                background-color 0.25s ease;
}

.hamburger-bar--top {
    width: 20px;
}

.hamburger-bar--mid {
    width: 13px;
}

.mobile-nav > summary:hover .hamburger-bar--mid {
    width: 18px;
}

.hamburger-bar--bot {
    width: 17px;
}

.mobile-nav[open] .hamburger-bar--top {
    width: 20px;
    transform: translateY(5.875px) rotate(45deg);
    background: var(--color-primary-dark);
}

.mobile-nav[open] .hamburger-bar--mid {
    opacity: 0;
    width: 0;
    transform: scaleX(0);
}

.mobile-nav[open] .hamburger-bar--bot {
    width: 20px;
    transform: translateY(-5.875px) rotate(-45deg);
    background: var(--color-primary-dark);
}

/* ── Premium Accordion Menu Dropdown Panel ── */
.mobile-nav nav,
.nav-drawer-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 12px);
    width: min(360px, calc(100vw - 20px));
    max-height: min(490px, calc(100dvh - 84px));
    padding: 8px 8px 10px;
    display: flex;
    flex-direction: column;
    border-radius: 18px;
    border: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(28px) saturate(200%);
    -webkit-backdrop-filter: blur(28px) saturate(200%);
    box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.12), 0 4px 16px -4px rgba(0, 0, 0, 0.04);
    z-index: 1200;
    box-sizing: border-box;
    animation: dropdown-in 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav:not([open]) > .nav-drawer-menu {
    display: none;
}

@keyframes dropdown-in {
    from {
        opacity: 0;
        transform: translateY(-6px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ── Accordion List ── */
.menu-hub-list {
    overflow-y: auto;
    overscroll-behavior: contain;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin: 0;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border-strong) transparent;
}

/* ── Hub Accordion Item ── */
.menu-hub {
    border-radius: 10px;
    background: transparent;
    transition: background-color 140ms ease;
    margin: 0;
    padding: 0;
}

.menu-hub[open] {
    background: var(--color-primary-soft);
}

/* Hub Summary / Header */
.menu-hub > summary {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 38px;
    padding: 6px 10px;
    border-radius: 9px;
    background: transparent;
    color: var(--color-text);
    font-size: 13px;
    font-weight: 650;
    line-height: 1.35;
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: background-color 140ms ease, color 140ms ease;
    box-sizing: border-box;
}

.menu-hub > summary::-webkit-details-marker {
    display: none;
}

.menu-hub:not([open]) > summary:hover {
    background: var(--color-surface);
    color: var(--color-primary);
}

.menu-hub[open] > summary {
    color: var(--color-primary);
    background: transparent;
}

/* Hub Symbol / Icon */
.menu-symbol {
    display: grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border-radius: 7px;
    background: var(--color-surface);
    color: var(--color-primary);
    font-size: 12.5px;
    font-weight: 700;
    flex-shrink: 0;
    border: 1px solid var(--color-border);
    transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, box-shadow 140ms ease;
}

.menu-symbol .symbol-text {
    font-weight: 850;
    font-size: 11.5px;
    line-height: 1;
}

.menu-hub[open] > summary .menu-symbol {
    background: #ffffff;
    border-color: transparent;
    color: var(--color-primary);
    box-shadow: 0 1px 3px rgba(47, 86, 211, 0.15);
}

/* Hub Label */
.menu-hub-label {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 12.5px;
    line-height: 1.3;
}

/* Hub Chevron Icon */
.menu-hub-chevron {
    margin-left: auto;
    color: var(--color-muted);
    flex-shrink: 0;
    transition: transform 200ms cubic-bezier(0.2, 0.8, 0.2, 1), color 140ms ease;
}

.menu-hub[open] .menu-hub-chevron {
    transform: rotate(180deg);
    color: var(--color-primary);
}

/* ── Hub Tools List (Inside Open Accordion) ── */
.menu-hub-tools {
    margin: 0 4px 4px 10px;
    padding: 1px 0 2px 8px;
    border-left: 1.5px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Overview Link ("Voir la rubrique →") */
.menu-hub-tools .menu-hub-overview {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 22px;
    padding: 2px 6px;
    margin-bottom: 2px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 10.5px;
    font-weight: 700;
    color: var(--color-primary);
    background: transparent;
    transition: background-color 130ms ease;
}

.menu-hub-tools .menu-hub-overview:hover,
.menu-hub-tools .menu-hub-overview:focus-visible {
    background: rgba(255, 255, 255, 0.6);
}

.overview-arrow {
    font-size: 11px;
    transition: transform 140ms ease;
}

.menu-hub-overview:hover .overview-arrow {
    transform: translateX(3px);
}

/* Individual Tool Links */
.menu-hub-tools a:not(.menu-hub-overview) {
    display: flex;
    align-items: center;
    gap: 7px;
    min-height: 23px;
    padding: 2px 6px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 11.5px;
    font-weight: 550;
    color: var(--color-text);
    background: transparent;
    transition: background-color 130ms ease, color 130ms ease;
}

.tool-dot {
    width: 3.5px;
    height: 3.5px;
    border-radius: 50%;
    background: var(--color-border-strong);
    flex-shrink: 0;
    transition: background-color 130ms ease, transform 130ms ease;
}

.tool-name {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.menu-hub-tools a:not(.menu-hub-overview):hover,
.menu-hub-tools a:not(.menu-hub-overview):focus-visible {
    background: rgba(255, 255, 255, 0.7);
    color: var(--color-primary);
}

.menu-hub-tools a:not(.menu-hub-overview):hover .tool-dot {
    background: var(--color-primary);
    transform: scale(1.3);
}

/* Current Page Highlight */
.nav-drawer-menu .menu-hub-tools a[aria-current="page"] {
    background: #ffffff !important;
    color: var(--color-primary) !important;
    font-weight: 700 !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav-drawer-menu .menu-hub-tools a[aria-current="page"] .tool-dot {
    background: var(--color-primary);
    transform: scale(1.4);
}

/* ── Menu Footer ── */
.menu-footer {
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-shrink: 0;
}

.menu-quick-links {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.menu-footer-link {
    display: block;
    padding: 4px 8px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 11.5px;
    font-weight: 600;
    border-radius: 6px;
    transition: color 130ms ease, background-color 130ms ease;
}

.menu-footer-link:hover,
.menu-footer-link:focus-visible {
    color: var(--color-primary);
    background: var(--color-surface);
}

/* ── Language Bar ── */
.language-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 4px;
    border-top: 1px dashed var(--color-border);
}

.language-bar-title {
    font-size: 10.5px;
    font-weight: 750;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.language-bar-options {
    display: flex;
    align-items: center;
    gap: 6px;
}

.lang-flag-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px !important;
    height: 24px !important;
    min-width: 24px !important;
    min-height: 24px !important;
    max-width: 24px !important;
    max-height: 24px !important;
    aspect-ratio: 1 / 1;
    border-radius: 50% !important;
    border: 2px solid transparent;
    padding: 0 !important;
    margin: 0;
    box-sizing: border-box;
    cursor: pointer;
    text-decoration: none;
    transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.lang-flag-btn .language-flag {
    width: 18px !important;
    height: 18px !important;
    min-width: 18px !important;
    min-height: 18px !important;
    max-width: 18px !important;
    max-height: 18px !important;
    aspect-ratio: 1 / 1;
    border-radius: 50% !important;
    display: block;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.12);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
    box-sizing: border-box;
}

.lang-flag-btn .language-flag svg {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 50%;
    object-fit: cover;
}

.lang-flag-btn.is-current {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-soft);
    background: transparent;
    cursor: default;
}

.lang-flag-btn.is-planned {
    opacity: 0.45;
    filter: grayscale(0.5);
    cursor: not-allowed;
}




.home-hero {
    overflow: hidden;
    padding: clamp(100px, 13vw, 136px) 0 clamp(54px, 8vw, 96px);
    background: transparent;
    border-bottom: 1px solid var(--color-border);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.78fr);
    align-items: center;
    gap: clamp(38px, 8vw, 92px);
}

.eyebrow {
    margin: 0 0 14px;
    display: flex;
    align-items: center;
    gap: 9px;
    color: #595959;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.13em;
    line-height: 1.3;
    text-transform: uppercase;
}

.eyebrow span {
    width: 22px;
    height: 3px;
    flex: 0 0 auto;
    background: var(--color-mimosa);
    border-radius: 99px;
}

.eyebrow.raspberry span {
    background: var(--color-raspberry);
}

.eyebrow.blue span {
    background: var(--color-primary);
}

h1,
h2,
h3,
p {
    overflow-wrap: break-word;
}

h1,
h2,
h3 {
    margin-top: 0;
    line-height: 1.12;
    letter-spacing: -0.035em;
}

h1 {
    max-width: 760px;
    margin-bottom: 22px;
    font-size: clamp(2.35rem, 5.6vw, 4.65rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(1.65rem, 3.2vw, 2.5rem);
}

h3 {
    font-size: 1.12rem;
}

.lead {
    max-width: 660px;
    margin: 0;
    color: var(--color-muted);
    font-size: clamp(1.03rem, 1.8vw, 1.25rem);
    line-height: 1.65;
}

.quick-tool {
    padding: clamp(22px, 4vw, 34px);
    background: #fff;
    border: 1px solid var(--color-border);
    border-top: 5px solid var(--color-mimosa);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-panel);
}

.quick-tool-heading {
    margin-bottom: 24px;
    display: grid;
    gap: 3px;
}

.quick-tool-heading strong {
    font-size: 1.24rem;
    letter-spacing: -0.02em;
}

.tool-kicker,
.aside-kicker {
    color: var(--color-primary);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

label {
    display: inline-block;
    margin-bottom: 7px;
    font-size: 0.88rem;
    font-weight: 720;
}

input,
select,
textarea {
    width: 100%;
    min-width: 0;
    min-height: 50px;
    padding: 11px 13px;
    color: var(--color-text);
    background: #fff;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-small);
    font-size: 16px;
}

input::placeholder,
textarea::placeholder {
    color: #9a9a96;
}

input:hover,
textarea:hover {
    border-color: #aaa;
}

input:focus,
textarea:focus {
    border-color: var(--color-primary);
    outline: 3px solid color-mix(in srgb, var(--color-primary) 15%, transparent);
}

textarea { resize: vertical; }
.tool-form fieldset { min-width: 0; }
.crossword-answers { padding-inline-start: 1.25rem; overflow-wrap: anywhere; }

.input-action {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 9px;
}

button,
.primary-button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 11px 20px;
    color: #fff;
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-small);
    cursor: pointer;
    font-weight: 760;
    line-height: 1.2;
    text-decoration: none;
    transition: background 160ms ease, transform 160ms ease;
}

button:hover,
.primary-button:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

.field-hint,
.field small {
    display: block;
    margin-top: 7px;
    color: var(--color-muted);
    font-size: 0.78rem;
}

.section-space {
    padding: clamp(64px, 9vw, 104px) 0;
}

.surface-section {
    background: var(--color-surface);
    border-block: 1px solid var(--color-border);
}

.section-heading {
    position: relative;
    margin-bottom: 30px;
}

.section-heading h2 {
    margin-bottom: 0;
}

.section-heading .text-link {
    position: absolute;
    right: 0;
    bottom: 5px;
}

.section-heading--solvers .text-link {
    position: static;
    margin-top: 16px;
}

.text-link {
    min-height: 24px;
    display: inline-flex;
    align-items: center;
    color: var(--color-primary-dark);
    font-size: 0.9rem;
    font-weight: 750;
}

.tool-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.solver-catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.solver-catalog-card {
    display: flex;
    min-width: 0;
    min-height: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding: clamp(20px, 3vw, 28px);
    background: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-medium);
    box-shadow: 0 6px 22px rgba(23, 23, 23, 0.05);
}

.solver-catalog-card h3 {
    margin-bottom: 10px;
    font-size: clamp(1.15rem, 2.2vw, 1.4rem);
}

.solver-catalog-card > p,
.solver-catalog-card dd {
    color: var(--color-muted);
}

.solver-catalog-card dl {
    display: grid;
    width: 100%;
    gap: 12px;
    margin: 18px 0 24px;
}

.solver-catalog-card dl > div {
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
}

.solver-catalog-card dt {
    margin-bottom: 3px;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.solver-catalog-card dd {
    margin: 0;
}

.solver-catalog-card .button {
    min-height: 44px;
    margin-top: auto;
    white-space: normal;
}

.tool-hub-back {
    gap: 8px;
    min-height: 44px;
    margin: 8px 0 20px;
}

.tool-hub-back + .tool-hub-back {
    margin-left: 20px;
}

.word-directory-section {
    padding-top: 34px;
    margin-bottom: 54px;
    border-top: 1px solid var(--color-border);
}

.word-directory-section > h2 {
    margin-bottom: 12px;
    font-size: clamp(1.45rem, 3vw, 2rem);
}

.word-directory-section > p,
.word-directory-card > p,
.word-tool-usage {
    color: var(--color-muted);
}

.word-directory-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 22px;
}

.word-directory-card,
.word-affix-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-medium);
}

.word-directory-card h3,
.word-affix-card h3 {
    margin-bottom: 10px;
}

.word-directory-card .text-link,
.word-affix-card > .text-link {
    min-height: 44px;
    margin-top: auto;
}

.word-directory-examples span {
    font-weight: 750;
    color: var(--color-text);
}

.word-affix-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 22px;
}

.word-affix-card ul {
    display: grid;
    gap: 6px;
    margin-bottom: 20px;
    padding-left: 20px;
}

.word-tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.word-tool-usage {
    margin: 14px 0 24px;
}

.featured-tools {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hub-link {
    margin-top: 24px;
}

.game-preview,
.game-family {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    gap: clamp(24px, 5vw, 64px);
}

.game-preview p,
.game-family p,
.complementary-tool p {
    color: var(--color-muted);
}

.game-preview-list {
    align-self: center;
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.game-preview-list li {
    margin: 0;
}

.game-preview-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 54px;
    padding: 10px 11px 10px 17px;
    color: var(--color-text);
    background: var(--color-background);
    border: 1px solid var(--color-border-strong);
    border-radius: 13px;
    box-shadow: 0 4px 14px rgba(23, 23, 23, 0.04);
    font-weight: 700;
    text-decoration: none;
    transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.game-preview-arrow {
    display: grid;
    place-items: center;
    flex: 0 0 34px;
    width: 34px;
    height: 34px;
    color: var(--color-primary-dark);
    background: var(--color-primary-soft);
    border-radius: 10px;
    transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.game-preview-link:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 22px rgba(47, 86, 211, 0.10);
    transform: translateY(-2px);
}

.game-preview-link:hover .game-preview-arrow {
    color: #fff;
    background: var(--color-primary);
    transform: translateX(2px);
}

.game-preview-link:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--color-primary) 38%, transparent);
    outline-offset: 3px;
}

.game-families {
    border-top: 1px solid var(--color-border);
}

.game-family {
    padding: 32px 0;
    border-bottom: 1px solid var(--color-border);
}

.game-family h2 {
    margin: 0;
    font-size: clamp(1.25rem, 3vw, 1.6rem);
}

.game-family-copy p {
    margin-top: 0;
}

.game-family .text-link,
.game-preview .text-link,
.complementary-tool .text-link,
.solver-prompt .text-link,
.hub-link {
    min-height: 44px;
    gap: 10px;
}

.complementary-tools {
    margin-top: 48px;
}

.complementary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.complementary-tool {
    padding: 24px;
    background: var(--color-surface);
    border-radius: var(--radius-medium);
}

.complementary-tool h3 {
    margin-top: 0;
}

.solver-prompt {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.solver-prompt h2 {
    margin-bottom: 8px;
    font-size: 1.35rem;
}

@media (max-width: 640px) {
    .game-preview,
    .game-family,
    .complementary-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 16px;
    }
}

.tool-card {
    position: relative;
    min-height: 228px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    color: inherit;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    text-decoration: none;
    transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.tool-card:hover {
    border-color: #c8c8c1;
    box-shadow: 0 12px 34px rgba(23, 23, 23, 0.07);
    transform: translateY(-3px);
}

.tool-card h2,
.tool-card h3 {
    max-width: 85%;
    margin: 28px 0 10px;
}

.tool-card h2 {
    font-size: 1.25rem;
}

.tool-card h3 {
    font-size: 1.25rem;
}

.tool-card p,
.number-card p {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.88rem;
    line-height: 1.55;
}

.card-index {
    color: var(--color-raspberry);
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.1em;
}

.card-arrow {
    position: absolute;
    right: 20px;
    bottom: 18px;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    color: var(--color-primary);
    background: var(--color-primary-soft);
    border-radius: 50%;
    font-weight: 900;
}

.number-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.number-card {
    position: relative;
    min-height: 184px;
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 17px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    text-decoration: none;
    transition: border-color 180ms ease, transform 180ms ease;
}

.number-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.number-card h3 {
    margin: 5px 36px 10px 0;
}

.number-symbol {
    min-width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    color: var(--color-primary-dark);
    background: var(--color-primary-soft);
    border-radius: 11px;
    font-size: 0.8rem;
    font-weight: 850;
}

.principles-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 80px;
}

.principles-grid h2 {
    margin-bottom: 0;
}

.principle-list {
    border-top: 1px solid var(--color-border);
}

.principle-list p {
    margin: 0;
    padding: 19px 0;
    color: var(--color-muted);
    border-bottom: 1px solid var(--color-border);
}

.principle-list strong {
    color: var(--color-text);
}

.page-shell {
    min-height: 65vh;
    padding-top: clamp(96px, 12vw, 120px);
    padding-bottom: clamp(70px, 10vw, 120px);
}

.breadcrumbs {
    margin-bottom: clamp(38px, 6vw, 68px);
    color: var(--color-muted);
    font-size: 0.78rem;
}

.breadcrumbs ol {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.breadcrumbs li {
    display: inline-flex;
    align-items: center;
}

.breadcrumbs li:not(:last-child)::after {
    margin-left: 8px;
    color: #aaa;
    content: "/";
}

.breadcrumbs a {
    min-height: 24px;
    display: inline-flex;
    align-items: center;
    color: inherit;
    text-decoration: none;
    transition: color 150ms ease;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
    color: var(--color-primary);
}

.breadcrumb-home {
    min-width: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
}

.breadcrumb-home-icon {
    width: 15px;
    height: 15px;
    display: block;
    flex-shrink: 0;
    transition: transform 150ms ease, color 150ms ease;
}

.breadcrumb-home:hover .breadcrumb-home-icon,
.breadcrumb-home:focus-visible .breadcrumb-home-icon {
    color: var(--color-primary);
    transform: scale(1.15);
}

.page-intro {
    max-width: 780px;
    margin-bottom: clamp(38px, 7vw, 72px);
}

.page-intro h1 {
    font-size: clamp(2.15rem, 5vw, 4rem);
}

.compact-grid {
    margin-bottom: 60px;
}

.tool-groups {
    display: grid;
    gap: 60px;
    margin-bottom: 60px;
}

.tool-group h2 {
    margin-bottom: 22px;
    font-size: clamp(1.45rem, 3vw, 2rem);
}

.editorial-block,
.tool-editorial {
    max-width: 760px;
    padding-top: 34px;
    margin-top: 34px;
    border-top: 1px solid var(--color-border);
}

.editorial-block h2,
.tool-editorial h2 {
    margin-bottom: 16px;
    font-size: clamp(1.45rem, 3vw, 2rem);
}

.editorial-block p,
.tool-editorial > p:last-child {
    color: var(--color-muted);
}

.faq-list {
    max-width: 820px;
    display: grid;
    gap: 10px;
}

.faq-list details {
    padding: 0 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
}

.faq-list summary {
    min-height: 60px;
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 750;
}

.faq-list p {
    margin: 0 0 20px;
    color: var(--color-muted);
}

.tool-intro {
    margin-bottom: 38px;
}

.tool-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 310px;
    align-items: start;
    gap: 22px;
}

.tool-panel,
.results-panel,
.related-panel {
    padding: clamp(20px, 4vw, 34px);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
}

.tool-panel {
    box-shadow: var(--shadow-panel);
}

.panel-heading {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 27px;
}

.panel-heading h2 {
    margin: 0 0 4px;
    font-size: 1.28rem;
}

.panel-heading p {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.86rem;
}

.step-number {
    min-width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    color: var(--color-primary-dark);
    background: var(--color-primary-soft);
    border-radius: 50%;
    font-size: 0.72rem;
    font-weight: 850;
}

.step-number.muted {
    color: #666;
    background: #eeeeeb;
}

.tool-form {
    display: grid;
    gap: 18px;
}

.tool-disclaimer {
    margin: -8px 0 22px;
    padding: 12px 14px;
    color: var(--color-muted);
    background: var(--color-surface-muted, #f6f6f2);
    border-left: 4px solid var(--color-primary);
    border-radius: 8px;
    font-size: 0.9rem;
}

.multi-word-builder {
    display: grid;
    gap: 18px;
}

.multi-word-builder[hidden],
.multi-word-raw-fields[hidden] {
    display: none;
}

.feedback-legend,
.form-status,
.multi-attempt-empty {
    margin: 0;
    color: var(--color-muted);
}

.feedback-legend span {
    white-space: nowrap;
}

.form-status {
    min-height: 1.4em;
    font-weight: 700;
}

.form-status.is-error {
    color: var(--color-error, #9b1c1c);
}

.multi-attempt-list,
.multi-grid-list {
    display: grid;
    gap: 14px;
    min-width: 0;
}

.multi-attempt-card {
    min-width: 0;
    padding: 16px;
    background: var(--color-surface-muted, #f7f7f3);
    border: 1px solid var(--color-border);
    border-radius: 12px;
}

.multi-attempt-header,
.multi-attempt-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.multi-attempt-header {
    margin-bottom: 14px;
}

.multi-attempt-header h3,
.multi-grid-label {
    margin: 0;
}

.text-button {
    min-height: 40px;
    padding: 7px 10px;
    color: var(--color-primary-dark);
    background: transparent;
    border: 1px solid currentColor;
    border-radius: 8px;
    cursor: pointer;
    font: inherit;
    font-weight: 750;
}

.danger-button {
    color: var(--color-error, #9b1c1c);
}

.multi-grid-feedback {
    min-width: 0;
    padding: 12px;
    background: var(--color-surface, #fff);
    border: 1px solid var(--color-border);
    border-radius: 10px;
}

.multi-grid-label {
    margin-bottom: 9px;
}

.multi-letter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    min-width: 0;
}

.multi-letter-state {
    position: relative;
    width: 42px;
    min-width: 42px;
    height: 48px;
    padding: 4px 3px 12px;
    color: #fff;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    font: inherit;
    font-weight: 850;
    line-height: 1;
}

.multi-letter-state.state-c { background: #257443; }
.multi-letter-state.state-p { background: #9a6500; }
.multi-letter-state.state-a { background: #575d65; }

.multi-letter-value {
    font-size: 1.05rem;
}

.multi-state-symbol {
    position: absolute;
    right: 3px;
    bottom: 2px;
    font-size: 0.72rem;
}

.multi-letter-state:hover {
    filter: brightness(1.08);
}

.multi-letter-state:focus-visible,
.text-button:focus-visible {
    outline: 3px solid var(--color-text);
    outline-offset: 3px;
}

.result-grid-section + .result-grid-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

@media (min-width: 700px) {
    .multi-grid-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.tool-form .primary-button {
    justify-self: start;
    min-width: 210px;
    margin-top: 5px;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.form-actions .primary-button {
    margin: 0;
}

.secondary-button {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    color: var(--color-primary-dark);
    background: #fff;
    border: 1px solid var(--color-primary);
    border-radius: 9px;
    cursor: pointer;
    font-weight: 750;
    line-height: 1.2;
    text-decoration: none;
}

.secondary-button:hover {
    background: var(--color-primary-soft);
}

.form-alert,
.result-banner {
    margin: 0;
    padding: 14px 17px;
    color: #7f1d1d;
    background: #fff4f4;
    border: 1px solid #efb4b4;
    border-radius: 11px;
}

.form-alert ul {
    margin: 7px 0 0;
    padding-left: 22px;
}

.result-banner {
    color: #14532d;
    background: #ecfdf3;
    border-color: #a7f3d0;
}

.result-banner.result-warning,
.notice-state {
    color: #713f12;
    background: #fffbeb;
    border-color: #f4d58d;
}

.result-facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 0;
}

.result-facts div {
    padding: 12px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 10px;
}

.result-facts dt {
    color: var(--color-muted);
    font-size: .75rem;
    font-weight: 750;
}

.result-facts dd {
    margin: 3px 0 0;
    overflow-wrap: anywhere;
    font-weight: 850;
}

.calculation-expression {
    display: block;
    padding: 18px;
    overflow-wrap: anywhere;
    color: var(--color-primary-dark);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    font-size: clamp(1.1rem, 3vw, 1.45rem);
    font-weight: 850;
    text-align: center;
}

.calculation-steps {
    margin: -10px 0 0;
    padding-left: 25px;
}

.operator-fieldset,
.kakuro-editor-cell {
    margin: 0;
    padding: 14px;
    border: 1px solid var(--color-border);
    border-radius: 11px;
}

.operator-fieldset legend,
.kakuro-editor-cell legend {
    padding: 0 6px;
    font-weight: 800;
}

.operator-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
}

.operator-choice {
    min-height: 48px;
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 9px 12px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 9px;
    cursor: pointer;
}

.operator-choice input {
    width: 19px;
    height: 19px;
}

.operator-choice span {
    min-width: 20px;
    color: var(--color-primary-dark);
    font-size: 1.1rem;
    font-weight: 900;
}

.has-error,
.has-error input,
input[aria-invalid="true"] {
    border-color: #b91c1c;
}

.field {
    min-width: 0;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 15px;
}

.three-fields {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.advanced-options {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
}

.advanced-options summary {
    min-height: 48px;
    padding: 11px 15px;
    cursor: pointer;
    font-weight: 720;
}

.advanced-options .form-grid {
    padding: 3px 15px 16px;
}

.results-panel {
    margin-top: 22px;
    background: var(--color-surface);
}

.empty-state {
    min-height: 190px;
    padding: 30px;
    display: grid;
    place-items: center;
    align-content: center;
    text-align: center;
    border: 1px dashed var(--color-border-strong);
    border-radius: 13px;
}

.empty-state p {
    max-width: 500px;
    margin: 6px 0 0;
    color: var(--color-muted);
    font-size: 0.86rem;
}

.empty-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    margin-bottom: 12px;
    color: var(--color-primary);
    background: var(--color-primary-soft);
    border-radius: 50%;
    font-weight: 900;
    letter-spacing: 2px;
}

.check-field {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--color-muted);
    font-size: 0.88rem;
}

.check-field input {
    width: 18px;
    height: 18px;
    margin-top: 1px;
}

.result-state {
    display: grid;
    gap: 20px;
}

.verification-answer {
    margin: 0;
    padding: 16px 18px;
    color: #14532d;
    background: #ecfdf3;
    border: 1px solid #a7f3d0;
    border-radius: 12px;
    font-weight: 780;
}

.word-group h3 {
    display: flex;
    align-items: center;
    gap: 9px;
    margin: 0 0 10px;
    font-size: 1rem;
}

.word-group h3 span {
    padding: 2px 8px;
    color: var(--color-muted);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.72rem;
}

.word-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.word-list li {
    padding: 7px 11px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-weight: 680;
}

/* Shared lexical results: readable links with a full touch target. */
.word-group + .word-group { margin-top: 1.5rem; }
.word-group h3 { flex-wrap: wrap; }
.word-group-count { margin: -.25rem 0 .75rem; color: var(--color-muted); font-size: .875rem; }
.linked-word-list li { padding: 0; max-width: 100%; background: var(--color-background); }
.linked-word-list a {
    display: inline-flex; align-items: center; min-height: 44px; min-width: 44px;
    max-width: 100%; padding: .55rem .8rem; color: var(--color-primary);
    border-radius: 7px; text-decoration: underline; text-underline-offset: .16em;
    overflow-wrap: anywhere; word-break: normal;
}
.linked-word-list a:hover { background: var(--color-primary-soft); color: var(--color-primary-dark); }
.linked-word-list a:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
.solver-workspace { max-width: 960px; min-width: 0; }
.solver-editorial-list { padding-left: 1.35rem; line-height: 1.7; }
.solver-editorial-list li + li, .solver-link-list li + li { margin-top: .55rem; }
.solver-link-list { padding-left: 1.25rem; }
.solver-link-list a { display: inline-block; padding-block: .35rem; overflow-wrap: anywhere; }
.solver-example-data { display: grid; gap: .65rem; margin: 1rem 0; }
.solver-example-data div { display: flex; flex-wrap: wrap; gap: .4rem .75rem; }
.solver-example-data dt { font-weight: 750; }
.solver-example-data dd { margin: 0; overflow-wrap: anywhere; }
.tool-editorial, .word-page .editorial-block { min-width: 0; }
.word-page .fact-list dd { min-width: 0; overflow-wrap: anywhere; }
.word-page .source-note { background: var(--color-mimosa-soft); }

.result-note {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.84rem;
}

.error-state {
    border-color: #e9a7a7;
    background: #fff8f8;
}

.related-panel {
    position: sticky;
    top: 22px;
    background: var(--color-surface);
}

.related-panel h2 {
    margin: 6px 0 18px;
    font-size: 1.25rem;
}

.related-panel ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.related-panel li + li {
    border-top: 1px solid var(--color-border);
}

.related-panel a {
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
}

.related-panel a span:last-child {
    color: var(--color-primary);
}

.tool-editorial {
    margin-top: 70px;
}

.coming-tool {
    min-height: 150px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--color-surface);
    border: 1px dashed var(--color-border-strong);
    border-radius: 13px;
}

.coming-tool > span {
    min-width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    color: #fff;
    background: var(--color-primary);
    border-radius: 14px;
    font-size: 1.35rem;
    font-weight: 800;
}

.coming-tool p {
    margin: 5px 0 0;
    color: var(--color-muted);
}

.sudoku-form fieldset {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.grid-scroll {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    contain: inline-size paint;
    overflow-x: auto;
    padding: 3px;
    scrollbar-gutter: stable;
}

.sudoku-grid {
    width: 396px;
    min-width: 396px;
    display: grid;
    grid-template-columns: repeat(9, minmax(0, 1fr));
    overflow: hidden;
    background: var(--color-border);
    border: 2px solid var(--color-text);
    border-radius: 7px;
}

.sudoku-solution-grid .solution-cell {
    display: grid;
    place-items: center;
    font-size: clamp(1rem, 4vw, 1.25rem);
    font-weight: 850;
}

.given-digit {
    color: var(--color-text);
}

.resolved-digit {
    color: var(--color-primary-dark);
}

.sudoku-solution-grid .resolved-digit {
    background: var(--color-primary-soft);
}

.kakuro-dimensions {
    max-width: 430px;
}

.resize-button {
    justify-self: start;
}

.kakuro-editor-grid {
    min-width: calc(var(--kakuro-columns) * 150px);
    display: grid;
    grid-template-columns: repeat(var(--kakuro-columns), minmax(140px, 1fr));
    gap: 9px;
}

.columns-3 { --kakuro-columns: 3; }
.columns-4 { --kakuro-columns: 4; }
.columns-5 { --kakuro-columns: 5; }
.columns-6 { --kakuro-columns: 6; }
.columns-7 { --kakuro-columns: 7; }
.columns-8 { --kakuro-columns: 8; }
.columns-9 { --kakuro-columns: 9; }
.columns-10 { --kakuro-columns: 10; }

.kakuro-editor-cell {
    min-width: 0;
    padding: 10px;
    background: #fff;
}

.kakuro-editor-cell > label,
.kakuro-cell-fields label {
    display: block;
    color: var(--color-muted);
    font-size: .72rem;
    font-weight: 750;
}

.kakuro-editor-cell select,
.kakuro-cell-fields input {
    width: 100%;
    min-height: 42px;
    padding: 7px 9px;
}

.kakuro-cell-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px 7px;
    margin-top: 7px;
}

.kakuro-cell-fields label {
    align-self: center;
}

.kakuro-solution-grid {
    width: max-content;
    min-width: min(100%, calc(var(--kakuro-columns) * 64px));
    display: grid;
    grid-template-columns: repeat(var(--kakuro-columns), minmax(58px, 72px));
    border: 2px solid var(--color-text);
}

.kakuro-solution-cell {
    min-height: 60px;
    display: grid;
    place-items: center;
    padding: 4px;
    background: #fff;
    border-right: 1px solid var(--color-text);
    border-bottom: 1px solid var(--color-text);
    text-align: center;
}

.kakuro-solution-cell.type-black {
    background: #252525;
}

.kakuro-solution-cell.type-clue {
    color: #fff;
    background: #4a4a4a;
    font-size: .72rem;
}

.kakuro-solution-cell.type-play {
    font-size: 1.25rem;
}

.card-cta {
    display: inline-flex;
    align-items: center;
    margin-top: auto;
    color: var(--color-primary-dark);
    font-size: .8rem;
    font-weight: 850;
}

.sudoku-cell {
    aspect-ratio: 1;
    margin: 0;
    background: #fff;
    border-right: 1px solid var(--color-border-strong);
    border-bottom: 1px solid var(--color-border-strong);
}

.sudoku-cell:nth-child(9n) {
    border-right: 0;
}

.sudoku-cell:nth-child(n+73) {
    border-bottom: 0;
}

.sudoku-cell:nth-child(9n+3),
.sudoku-cell:nth-child(9n+6) {
    border-right: 2px solid var(--color-text);
}

.sudoku-cell:nth-child(n+19):nth-child(-n+27),
.sudoku-cell:nth-child(n+46):nth-child(-n+54) {
    border-bottom: 2px solid var(--color-text);
}

.sudoku-cell input {
    width: 100%;
    height: 100%;
    min-height: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    text-align: center;
    font-size: clamp(1rem, 4vw, 1.25rem);
    font-weight: 750;
}

.sudoku-cell input:focus {
    position: relative;
    z-index: 2;
    outline: 3px solid var(--color-primary);
    outline-offset: -3px;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.error-page {
    min-height: 70vh;
    padding-top: clamp(110px, 14vw, 140px);
    padding-bottom: 90px;
    text-align: center;
}

.error-page h1,
.error-page .lead {
    margin-inline: auto;
}

.error-page .lead {
    margin-bottom: 30px;
}

.error-code {
    margin: 0 0 5px;
    color: var(--color-raspberry);
    font-size: 0.84rem;
    font-weight: 900;
    letter-spacing: 0.15em;
}

.site-footer {
    content-visibility: auto;
    contain-intrinsic-size: 1px 260px;
    padding: 34px 0;
    background: #171717;
    color: #fff;
}

/* ── Below-the-fold Content Rendering Optimization (FCP/LCP) ──── */
.seo-content,
.editorial,
.page-guide,
.article-content,
.faq-section,
.complementary-tool,
.word-relations,
.rules-block,
.related-panel {
    content-visibility: auto;
    contain-intrinsic-size: 1px 350px;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.footer-brand-lockup {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand-wrap {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.footer-brand {
    margin: 0;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.footer-subtitle {
    margin: 0;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
}

.site-footer nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px 20px;
}

.site-footer a {
    min-width: 24px;
    min-height: 24px;
    display: inline-flex;
    align-items: center;
    color: #d7d7d2;
    font-size: 0.8rem;
}

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-copy {
        max-width: 720px;
    }

    .quick-tool {
        max-width: 650px;
    }

    .tool-card-grid,
    .word-directory-grid,
    .number-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .word-affix-grid {
        grid-template-columns: 1fr;
    }

    .tool-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .related-panel {
        position: static;
    }
}

@media (max-width: 700px) {
    .container {
        width: min(calc(100% - 24px), var(--container));
    }

    .site-header {
        top: 0.5rem;
        width: calc(100% - 1rem);
        margin-bottom: calc(-1 * (0.5rem + 3.5rem));
        border-radius: var(--radius-medium);
    }

    .header-container {
        padding: 0.35rem 0.65rem;
        gap: 0.5rem;
        min-height: 3.5rem;
    }

    .desktop-nav {
        display: none;
    }

    .brand {
        min-width: 0;
        flex-shrink: 1;
    }

    .brand-text {
        min-width: 0;
    }

    .brand-subtitle {
        font-size: 0.65rem;
        white-space: normal;
    }

    .header-actions {
        margin-left: auto;
        gap: 0.375rem;
    }

    .language-menu {
        right: 0;
        left: auto;
        width: min(210px, calc(100vw - 24px));
        transform: none;
    }

    .mobile-nav {
        margin-left: 0;
        display: block;
    }

    .home-hero {
        padding: clamp(86px, 18vw, 110px) 0 55px;
    }

    h1 {
        font-size: clamp(2.2rem, 11.5vw, 3.35rem);
    }

    .section-heading .text-link {
        position: static;
        display: inline-block;
        margin-top: 10px;
    }

    .tool-card-grid,
    .word-directory-grid,
    .number-card-grid,
    .principles-grid {
        grid-template-columns: 1fr;
    }

    .principles-grid {
        gap: 30px;
    }

    .tool-card {
        min-height: 198px;
    }

    .tool-hub-back + .tool-hub-back {
        margin-left: 0;
    }

    .number-card {
        min-height: 150px;
    }

    .form-grid,
    .three-fields {
        grid-template-columns: 1fr;
    }

    .result-facts {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-footer nav {
        justify-content: flex-start;
    }
}

@media (max-width: 430px) {
    .kakuro-editor-grid {
        min-width: 0;
        grid-template-columns: 1fr;
    }

    .input-action {
        grid-template-columns: 1fr;
    }

    .input-action button,
    .tool-form .primary-button {
        width: 100%;
    }

    .form-actions > *,
    .resize-button {
        width: 100%;
    }

    .operator-grid,
    .result-facts {
        grid-template-columns: 1fr;
    }

    .tool-panel,
    .results-panel,
    .related-panel {
        border-radius: 14px;
    }

    .panel-heading {
        gap: 11px;
    }

    .empty-state {
        padding: 22px 15px;
    }

    .coming-tool {
        align-items: flex-start;
        flex-direction: column;
    }
}

/* Reflow guard for a 320 px viewport enlarged to 200% (160 CSS px). */
@media (max-width: 240px) {
    .container {
        width: calc(100% - 16px);
    }

    .site-header {
        width: calc(100% - 8px);
    }

    .header-container {
        padding-inline: 0.25rem;
        gap: 0.25rem;
    }

    .brand {
        gap: 0;
    }

    .brand-text {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    .brand-dice,
    .brand-dice-icon {
        width: 36px;
        height: 36px;
    }

    .header-theme-toggle,
    .mobile-nav > summary {
        width: 36px;
        height: 36px;
        min-height: 36px;
    }

    .nav-drawer-menu,
    .mobile-nav nav {
        width: calc(100vw - 8px);
        padding: 0.4rem;
    }

    .language-menu {
        flex-wrap: wrap;
        gap: 0.25rem;
        width: 100%;
        padding-inline: 0;
    }

    .hero-grid > *,
    .tool-card-grid > *,
    .solver-catalog-grid > *,
    .word-directory-grid > *,
    .word-affix-grid > *,
    .number-card-grid > *,
    .tool-layout > *,
    .tool-form > *,
    .game-preview > *,
    .game-family > *,
    .complementary-grid > * {
        min-width: 0;
    }

    h1,
    h2,
    h3,
    p,
    a,
    label,
    small {
        overflow-wrap: anywhere;
    }

    h1,
    .page-intro h1,
    .word-intro h1 {
        font-size: 1.65rem;
    }

    .quick-tool,
    .tool-card,
    .tool-panel,
    .results-panel,
    .related-panel,
    .complementary-tool {
        padding: 12px;
    }

    .tool-card h2,
    .tool-card h3 {
        max-width: 100%;
    }

    .tool-form .primary-button,
    .form-actions > * {
        min-width: 0;
        padding-inline: 8px;
    }

    .panel-heading {
        display: grid;
        grid-template-columns: 1fr;
    }

    .step-number {
        min-width: 30px;
        width: 30px;
        height: 30px;
    }
}

/* ── Header Theme Toggle Button ──── */
.header-theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    min-height: 2.75rem;
    border-radius: var(--radius-large);
    border: none;
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    padding: 0;
    box-shadow: none;
    transition: transform 160ms ease, opacity 160ms ease;
}

.header-theme-toggle:hover,
.header-theme-toggle:focus-visible {
    background: transparent;
    border: none;
    box-shadow: none;
    transform: scale(1.1);
}

.header-theme-toggle .theme-icon {
    display: block;
    width: 24px;
    height: 24px;
    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.header-theme-toggle:hover .theme-icon {
    transform: rotate(180deg);
}

[data-theme="dark"] .header-theme-toggle {
    background: transparent;
    border: none;
    box-shadow: none;
}

[data-theme="dark"] .header-theme-toggle:hover,
[data-theme="dark"] .header-theme-toggle:focus-visible {
    background: transparent;
    border: none;
    box-shadow: none;
    transform: scale(1.1);
}

/* ── Dark Mode UI Refinements ────────────────────────────── */
[data-theme="dark"] .site-header {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.48) 0%, rgba(15, 23, 42, 0.36) 100%);
    backdrop-filter: blur(32px) saturate(200%) brightness(112%);
    -webkit-backdrop-filter: blur(32px) saturate(200%) brightness(112%);
    border: 1.5px solid rgba(255, 255, 255, 0.28);
    box-shadow: 
        0 20px 45px -10px rgba(0, 0, 0, 0.65),
        0 8px 20px -4px rgba(0, 0, 0, 0.35),
        0 0 0 1px rgba(255, 255, 255, 0.10),
        inset 0 1.5px 1.5px 0 rgba(255, 255, 255, 0.35),
        inset 0 -1px 1px 0 rgba(255, 255, 255, 0.10);
}

[data-theme="dark"] .brand {
    color: #ffffff;
}

[data-theme="dark"] .brand-title {
    color: #ffffff;
}

[data-theme="dark"] .brand-subtitle {
    color: #cbd5e1;
}

[data-theme="dark"] .brand-mark i:first-child {
    background: #334155;
    color: #f8fafc;
}

[data-theme="dark"] .language-switcher {
    border-top-color: rgba(255, 255, 255, 0.10);
}

[data-theme="dark"] .language-switcher-title {
    color: #94a3b8;
}

[data-theme="dark"] a.language-option:hover,
[data-theme="dark"] a.language-option:focus-visible {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(96, 165, 250, 0.6);
}

[data-theme="dark"] .language-option.is-current {
    background: rgba(96, 165, 250, 0.22);
    border-color: rgba(96, 165, 250, 0.6);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(96, 165, 250, 0.45);
}

[data-theme="dark"] .language-option.is-planned {
    opacity: 0.35;
}

[data-theme="dark"] .mobile-nav > summary {
    background: rgba(30, 41, 59, 0.85);
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .mobile-nav > summary:hover,
[data-theme="dark"] .mobile-nav > summary:focus-visible {
    background: rgba(45, 55, 72, 0.95);
    border-color: rgba(96, 165, 250, 0.5);
    box-shadow: 0 4px 14px rgba(96, 165, 250, 0.25);
}

[data-theme="dark"] .hamburger-bar {
    background: #f8fafc;
}

[data-theme="dark"] .mobile-nav[open] > summary {
    background: rgba(96, 165, 250, 0.25);
    border-color: rgba(96, 165, 250, 0.6);
}

[data-theme="dark"] .mobile-nav[open] .hamburger-bar--top,
[data-theme="dark"] .mobile-nav[open] .hamburger-bar--bot {
    background: #60a5fa;
}

[data-theme="dark"] .mobile-nav nav,
[data-theme="dark"] .nav-drawer-menu {
    background: rgba(19, 29, 49, 0.98);
    border: 1.5px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 24px 60px -10px rgba(0, 0, 0, 0.7), 0 0 0 1px var(--color-border);
}

[data-theme="dark"] .menu-hub[open] {
    background: rgba(96, 165, 250, 0.12);
}

[data-theme="dark"] .menu-hub:not([open]) > summary:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #93c5fd;
}

[data-theme="dark"] .menu-hub[open] > summary {
    color: #93c5fd;
}

[data-theme="dark"] .menu-hub[open] > summary .menu-symbol {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: #93c5fd;
    box-shadow: none;
}

[data-theme="dark"] .menu-hub-tools .menu-hub-overview {
    color: #93c5fd;
}

[data-theme="dark"] .menu-hub-tools .menu-hub-overview:hover {
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .menu-hub-tools a:not(.menu-hub-overview) {
    color: #e2e8f0;
}

[data-theme="dark"] .menu-hub-tools a:not(.menu-hub-overview):hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

[data-theme="dark"] .nav-drawer-menu .menu-hub-tools a[aria-current="page"] {
    background: var(--color-surface) !important;
    color: #93c5fd !important;
    box-shadow: inset 0 0 0 1px rgba(96, 165, 250, 0.4);
}

[data-theme="dark"] .menu-footer-link {
    color: #e2e8f0;
}

[data-theme="dark"] .menu-footer-link:hover {
    color: #93c5fd;
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .lang-flag-btn .language-flag {
    border-color: rgba(255, 255, 255, 0.16);
}



[data-theme="dark"] body {
    background-color: var(--color-background);
    background-image:
        radial-gradient(circle at 86% 0%, rgba(96, 165, 250, 0.12) 0%, transparent 45rem),
        radial-gradient(circle at 12% 160px, rgba(96, 165, 250, 0.08) 0%, transparent 30rem),
        linear-gradient(180deg, #0f172a 0%, #090d16 650px);
    background-repeat: no-repeat;
}

[data-theme="dark"] .home-hero {
    background: transparent;
    border-bottom-color: #1e293b;
}

[data-theme="dark"] .quick-tool {
    background: #131d31;
    border-color: #1e293b;
    border-top-color: var(--color-primary);
    box-shadow: var(--shadow-panel);
}

[data-theme="dark"] .surface-section {
    background: #0f172a;
    border-block-color: #1e293b;
}

[data-theme="dark"] .tool-card,
[data-theme="dark"] .number-card,
[data-theme="dark"] .tool-panel,
[data-theme="dark"] .results-panel,
[data-theme="dark"] .related-panel {
    background: #131d31;
    border-color: #1e293b;
}

[data-theme="dark"] .tool-card:hover {
    border-color: #334155;
    box-shadow: 0 12px 34px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .number-card:hover {
    border-color: var(--color-primary);
}

/* Accueil : vitrine légère des jeux et solveurs */
.home-hero-content { max-width: 980px; }
.home-primary-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }
.primary-button--soft { color: var(--color-primary-dark); background: var(--color-surface); border-color: var(--color-border-strong); }
.primary-button--soft:hover { color: #fff; border-color: var(--color-primary-dark); }
.home-feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.home-feature-card, .home-category-card, .home-faq-grid article { min-width: 0; padding: clamp(20px, 2.4vw, 28px); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-medium); }
.home-feature-card { min-height: 240px; display: flex; flex-direction: column; }
.home-feature-card h3, .home-faq-grid h3 { margin-bottom: 12px; }
.home-feature-card > p:not(.home-card-type), .home-category-card p, .home-faq-grid p { color: var(--color-muted); line-height: 1.6; }
.home-card-type { margin: 0 0 12px; color: var(--color-primary-dark); font-size: .74rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.home-card-link { margin-top: auto; padding-top: 14px; }
.home-hub-links { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 14px 30px; }
.home-section-link { margin-top: 26px; }
.home-category-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.home-category-card { display: flex; flex-direction: column; }
.home-category-card h2 { font-size: clamp(1.35rem, 2vw, 1.8rem); }
.home-category-card .text-link { margin-top: auto; padding-top: 12px; }
.home-value-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(30px, 6vw, 80px); }
.home-value-list { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; list-style: none; }
.home-value-list li { padding: 18px; background: var(--color-background); border: 1px solid var(--color-border); border-radius: var(--radius-small); font-weight: 700; }
.home-faq-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.home-faq-grid article { padding: 24px; }
.home-faq-grid p { margin-bottom: 0; }

@media (max-width: 900px) {
    .home-feature-grid, .home-category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .home-value-layout { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
    .home-feature-grid, .home-category-grid, .home-value-list, .home-faq-grid { grid-template-columns: 1fr; }
    .home-primary-actions { align-items: stretch; flex-direction: column; }
    .home-primary-actions .primary-button { width: 100%; }
}

[data-theme="dark"] .home-feature-card,
[data-theme="dark"] .home-category-card,
[data-theme="dark"] .home-faq-grid article,
[data-theme="dark"] .home-value-list li,
[data-theme="dark"] .primary-button--soft {
    color: var(--color-text);
    background: #131d31;
    border-color: #334155;
}

[data-theme="dark"] .number-symbol,
[data-theme="dark"] .step-number,
[data-theme="dark"] .card-arrow {
    background: rgba(96, 165, 250, 0.2);
    color: #93c5fd;
}

[data-theme="dark"] .step-number.muted {
    background: #1e293b;
    color: #94a3b8;
}

[data-theme="dark"] input,
[data-theme="dark"] select {
    background: #0f172a;
    color: #f8fafc;
    border-color: #334155;
}

[data-theme="dark"] input::placeholder {
    color: #64748b;
}

[data-theme="dark"] input:hover {
    border-color: #475569;
}

[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus {
    border-color: var(--color-primary);
    background: #131d31;
}

[data-theme="dark"] .secondary-button {
    background: #131d31;
    color: #93c5fd;
    border-color: var(--color-primary);
}

[data-theme="dark"] .secondary-button:hover {
    background: rgba(96, 165, 250, 0.2);
}

[data-theme="dark"] .operator-choice,
[data-theme="dark"] .kakuro-editor-cell,
[data-theme="dark"] .operator-fieldset,
[data-theme="dark"] .advanced-options,
[data-theme="dark"] .faq-list details {
    background: #0f172a;
    border-color: #1e293b;
}

[data-theme="dark"] .operator-choice span {
    color: #93c5fd;
}

[data-theme="dark"] .calculation-expression {
    background: #0f172a;
    border-color: #1e293b;
    color: #93c5fd;
}

[data-theme="dark"] .result-facts div {
    background: #0f172a;
    border-color: #1e293b;
}

[data-theme="dark"] .word-list li {
    background: #0f172a;
    border-color: #1e293b;
    color: #f8fafc;
}

[data-theme="dark"] .word-group h3 span {
    background: #0f172a;
    border-color: #1e293b;
    color: #94a3b8;
}

[data-theme="dark"] .sudoku-grid {
    background: #334155;
    border-color: #64748b;
}

[data-theme="dark"] .sudoku-cell {
    background: #0f172a;
    border-color: #334155;
}

[data-theme="dark"] .sudoku-cell:nth-child(9n+3),
[data-theme="dark"] .sudoku-cell:nth-child(9n+6) {
    border-right-color: #94a3b8;
}

[data-theme="dark"] .sudoku-cell:nth-child(n+19):nth-child(-n+27),
[data-theme="dark"] .sudoku-cell:nth-child(n+46):nth-child(-n+54) {
    border-bottom-color: #94a3b8;
}

[data-theme="dark"] .sudoku-cell input {
    background: transparent;
    color: #f8fafc;
}

[data-theme="dark"] .sudoku-solution-grid .solution-cell {
    background: #0f172a;
}

[data-theme="dark"] .sudoku-solution-grid .resolved-digit {
    background: rgba(96, 165, 250, 0.2);
    color: #93c5fd;
}

[data-theme="dark"] .kakuro-solution-grid {
    border-color: #64748b;
}

[data-theme="dark"] .kakuro-solution-cell {
    background: #0f172a;
    border-color: #334155;
    color: #f8fafc;
}

[data-theme="dark"] .kakuro-solution-cell.type-black {
    background: #030712;
}

[data-theme="dark"] .kakuro-solution-cell.type-clue {
    background: #1e293b;
    color: #cbd5e1;
}

[data-theme="dark"] .result-banner {
    background: transparent;
    border-color: rgba(16, 185, 129, 0.35);
    color: #6ee7b7;
}

[data-theme="dark"] .result-banner.result-warning,
[data-theme="dark"] .notice-state {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.35);
    color: #fde68a;
}

[data-theme="dark"] .form-alert,
[data-theme="dark"] .error-state {
    background: rgba(225, 29, 72, 0.15);
    border-color: rgba(225, 29, 72, 0.35);
    color: #fda4af;
}

[data-theme="dark"] .verification-answer {
    background: transparent;
    border-color: rgba(16, 185, 129, 0.35);
    color: #6ee7b7;
}

[data-theme="dark"] .source-note {
    background: #131d31;
    border-left-color: var(--color-mimosa);
}

[data-theme="dark"] .pilot-badge {
    background: rgba(251, 191, 36, 0.2);
    border-color: rgba(251, 191, 36, 0.4);
    color: #fbbf24;
}

[data-theme="dark"] .word-links li,
[data-theme="dark"] .relation-list li {
    background: #0f172a;
    border-color: #1e293b;
}

[data-theme="dark"] .word-tool-links a {
    background: #131d31;
    border-color: #1e293b;
}

[data-theme="dark"] .word-tool-links a:hover,
[data-theme="dark"] .word-tool-links a:focus-visible {
    background: #1e293b;
    border-color: var(--color-primary);
}

[data-theme="dark"] .coming-tool {
    background: #131d31;
    border-color: #334155;
}

[data-theme="dark"] .site-footer {
    background: #070a10;
    border-top: 1px solid #1e293b;
    color: #94a3b8;
}

[data-theme="dark"] .site-footer a {
    color: #94a3b8;
}

[data-theme="dark"] .site-footer a:hover {
    color: #60a5fa;
}

/* ── PrivacyTrustBadge ────────────────────────────────────────────── */
.privacy-trust-badge-root {
    position: fixed;
    bottom: 1.5rem;
    z-index: 800;
    display: flex;
    align-items: flex-end;
    font-family: var(--font-sans);
    pointer-events: none;
}

.privacy-trust-badge-root.is-bottom-right {
    right: 1.5rem;
    flex-direction: row-reverse;
}

.privacy-trust-badge-root.is-bottom-left {
    left: 1.5rem;
    flex-direction: row;
}

/* Blob Déclencheur Permanent */
.privacy-trust-blob {
    pointer-events: auto;
    width: 54px;
    height: 54px;
    min-width: 54px;
    min-height: 54px;
    max-width: 54px;
    max-height: 54px;
    padding: 0;
    margin: 0;
    border: none;
    outline: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background-color: var(--ptb-bg, #18181b);
    color: var(--ptb-icon-color, #ffffff);
    /* Forme organique asymétrique : quadrilatère irrégulier à quatre côtés fortement arrondis */
    border-radius: 42% 58% 63% 37% / 54% 39% 61% 46%;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18), 0 2px 6px rgba(0, 0, 0, 0.12);
    /* Strictement aucune modification de dimension, de scale, de translate ou de rotate au hover */
    transition: background-color 200ms ease, box-shadow 200ms ease, color 200ms ease;
}

.privacy-trust-blob:hover {
    background-color: var(--ptb-hover-bg, #27272a);
    color: var(--ptb-hover-icon-color, #ffffff);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.24), 0 2px 8px rgba(0, 0, 0, 0.16);
    /* Strictement interdit : scale, translate, rotate */
    transform: none !important;
}

.privacy-trust-blob:focus-visible {
    outline: 3px solid var(--color-primary, #2f56d3);
    outline-offset: 3px;
}

.privacy-trust-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    pointer-events: none;
}

.privacy-trust-icon svg {
    display: block;
    width: 24px;
    height: 24px;
}

/* Panneau d'Information Indépendant (à côté du blob) */
.privacy-trust-panel {
    pointer-events: auto;
    position: relative;
    max-width: 0;
    opacity: 0;
    overflow: hidden;
    background: #ffffff;
    color: #171717;
    border-radius: 20px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.14), 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border, #e7e7e3);
    /* Transition de déploiement horizontal doux et calme */
    transition: max-width 440ms cubic-bezier(0.22, 1, 0.36, 1),
                opacity 340ms cubic-bezier(0.22, 1, 0.36, 1),
                transform 440ms cubic-bezier(0.22, 1, 0.36, 1),
                visibility 440ms cubic-bezier(0.22, 1, 0.36, 1);
    visibility: hidden;
    will-change: max-width, opacity, transform;
}

.privacy-trust-badge-root.is-bottom-right .privacy-trust-panel {
    margin-right: 12px;
    transform: translateX(10px);
}

.privacy-trust-badge-root.is-bottom-left .privacy-trust-panel {
    margin-left: 12px;
    transform: translateX(-10px);
}

/* État Déployé / Ouvert */
.privacy-trust-badge-root.is-open .privacy-trust-panel {
    max-width: 360px;
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.privacy-trust-panel-inner {
    width: 330px;
    box-sizing: border-box;
    padding: 22px 22px 20px 22px;
    position: relative;
}

.privacy-trust-panel-close {
    position: absolute;
    top: 14px;
    right: 14px;
    min-height: 28px;
    width: 28px;
    height: 28px;
    padding: 0;
    margin: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: #888888;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 150ms ease, color 150ms ease;
}

.privacy-trust-panel-close:hover {
    background: rgba(0, 0, 0, 0.06);
    color: #171717;
    transform: none;
}

.privacy-trust-panel-close:focus-visible {
    outline: 2px solid var(--color-primary, #2f56d3);
    outline-offset: 2px;
}

/* Séquençage du contenu intérieur (opacity + translation <= 8px) */
.privacy-trust-title,
.privacy-trust-commitments,
.privacy-trust-subtitle,
.privacy-trust-links {
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 260ms ease, transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

.privacy-trust-badge-root.is-open .privacy-trust-title {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 90ms;
}

.privacy-trust-badge-root.is-open .privacy-trust-commitments {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 150ms;
}

.privacy-trust-badge-root.is-open .privacy-trust-subtitle {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 210ms;
}

.privacy-trust-badge-root.is-open .privacy-trust-links {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 270ms;
}

/* Rétraction ordonnée à la fermeture */
.privacy-trust-badge-root:not(.is-open) .privacy-trust-links {
    transition-delay: 0ms;
}
.privacy-trust-badge-root:not(.is-open) .privacy-trust-subtitle {
    transition-delay: 40ms;
}
.privacy-trust-badge-root:not(.is-open) .privacy-trust-commitments {
    transition-delay: 80ms;
}
.privacy-trust-badge-root:not(.is-open) .privacy-trust-title {
    transition-delay: 120ms;
}

/* Typographie et éléments du panneau */
.privacy-trust-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.05rem;
    font-weight: 800;
    margin: 0 0 12px 0;
    color: #171717;
    line-height: 1.25;
}

.privacy-trust-badge-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #10b981;
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 900;
    flex-shrink: 0;
}

.privacy-trust-commitments {
    list-style: none;
    padding: 0;
    margin: 0 0 12px 0;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.privacy-trust-commitments li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 650;
    color: #374151;
}

.privacy-trust-check {
    color: #10b981;
    flex-shrink: 0;
}

.privacy-trust-subtitle {
    font-size: 0.82rem;
    line-height: 1.45;
    color: #6b7280;
    margin: 0 0 14px 0;
}

.privacy-trust-links {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    border-top: 1px solid #f3f4f6;
    padding-top: 10px;
    margin-top: 4px;
}

.privacy-trust-link {
    color: var(--color-primary, #2f56d3);
    text-decoration: none;
    transition: color 140ms ease, text-decoration-color 140ms ease;
}

.privacy-trust-link:hover,
.privacy-trust-link:focus-visible {
    color: var(--color-primary-dark, #2445ad);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.privacy-trust-separator {
    color: #9ca3af;
    font-weight: 400;
}

/* Thème sombre */
[data-theme="dark"] .privacy-trust-panel {
    background: #131d31;
    color: #f8fafc;
    border-color: #1e293b;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .privacy-trust-title {
    color: #f8fafc;
}

[data-theme="dark"] .privacy-trust-panel-close {
    color: #94a3b8;
}

[data-theme="dark"] .privacy-trust-panel-close:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

[data-theme="dark"] .privacy-trust-commitments li {
    color: #cbd5e1;
}

[data-theme="dark"] .privacy-trust-subtitle {
    color: #94a3b8;
}

[data-theme="dark"] .privacy-trust-links {
    border-top-color: #1e293b;
}

[data-theme="dark"] .privacy-trust-link {
    color: var(--color-primary, #60a5fa);
}

[data-theme="dark"] .privacy-trust-link:hover,
[data-theme="dark"] .privacy-trust-link:focus-visible {
    color: var(--color-primary-dark, #93c5fd);
}

/* Responsive Mobile (320px, 375px, 390px, 430px) */
@media (max-width: 480px) {
    .privacy-trust-badge-root {
        bottom: 1rem;
    }

    .privacy-trust-badge-root.is-bottom-right {
        right: 1rem;
    }

    .privacy-trust-badge-root.is-bottom-left {
        left: 1rem;
    }

    .privacy-trust-blob {
        width: 48px;
        height: 48px;
        min-width: 48px;
        min-height: 48px;
        max-width: 48px;
        max-height: 48px;
    }

    .privacy-trust-icon svg {
        width: 22px;
        height: 22px;
    }

    .privacy-trust-badge-root.is-open .privacy-trust-panel {
        max-width: calc(100vw - 48px - 2.5rem);
    }

    .privacy-trust-panel-inner {
        width: calc(100vw - 48px - 2.5rem);
        padding: 16px;
    }

    .privacy-trust-title {
        font-size: 0.95rem;
        margin-bottom: 8px;
    }

    .privacy-trust-commitments li {
        font-size: 0.82rem;
    }

    .privacy-trust-subtitle {
        font-size: 0.78rem;
        margin-bottom: 10px;
    }

    .privacy-trust-links {
        font-size: 0.78rem;
    }
}


@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
    }
}

.ad-slot {
    width: min(100% - 2rem, 1120px);
    margin: 1.5rem auto;
    padding: 1rem;
    display: grid;
    place-content: center;
    gap: .35rem;
    text-align: center;
    color: var(--color-muted);
    background: color-mix(in srgb, var(--color-surface) 86%, transparent);
    border: 1px dashed var(--color-border-strong);
    border-radius: 14px;
    contain: layout style;
}
.ad-slot__label { font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.ad-slot__preview { font-size: .875rem; }
.ad-slot--h120 { min-height: 120px; }
.ad-slot--h180 { min-height: 180px; }
.ad-slot--h250 { min-height: 250px; }
.ad-slot--h600 { min-height: 600px; }