:root,
[data-theme="dark"] {
    --c-bg:              #0f0d14;
    --c-surface:         #17141f;
    --c-surface-2:       #1e1a2b;
    --c-border:          #2d2840;
    --c-border-soft:     #231f33;

    --c-accent:          #a78bfa;
    --c-accent-dim:      #6d56c1;
    --c-accent-glow:     rgba(167, 139, 250, 0.14);

    --c-correct-bg:      #1a3a2a;
    --c-correct-text:    #6ee7a0;
    --c-correct-border:  #2d6b48;

    --c-wrong-bg:        #3a1a1a;
    --c-wrong-text:      #f87171;
    --c-wrong-border:    #6b2d2d;

    --c-text:            #e8e3f5;
    --c-text-dim:        #8b82a8;
    --c-text-muted:      #4a4466;

    --c-card-front-bg:   #1e1a2b;
    --c-card-front-border: #2d2840;

    --icon-moon-display: block;
    --icon-sun-display:  none;
}

[data-theme="light"] {
    --c-bg:              #f5f3ff;
    --c-surface:         #ffffff;
    --c-surface-2:       #ede9fe;
    --c-border:          #ddd6fe;
    --c-border-soft:     #e9e4ff;

    --c-accent:          #7c3aed;
    --c-accent-dim:      #5b21b6;
    --c-accent-glow:     rgba(124, 58, 237, 0.1);

    --c-correct-bg:      #dcfce7;
    --c-correct-text:    #166534;
    --c-correct-border:  #86efac;

    --c-wrong-bg:        #fee2e2;
    --c-wrong-text:      #991b1b;
    --c-wrong-border:    #fca5a5;

    --c-text:            #1e1b2e;
    --c-text-dim:        #4c1d95;
    --c-text-muted:      #8b5cf6;

    --c-card-front-bg:    #ede9fe;
    --c-card-front-border:#ddd6fe;

    --icon-moon-display: none;
    --icon-sun-display:  block;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
    font-size: 16px;
    transition: background-color 0.3s, color 0.3s;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--c-bg);
    color: var(--c-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }


.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 60px;
    background: rgba(15, 13, 20, 0.8);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--c-border);
    transition: background 0.3s, border-color 0.3s;
}

[data-theme="light"] .site-header {
    background: rgba(245, 243, 255, 0.85);
}

.site-header__inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 1.15rem;
    font-weight: 700;
    flex-shrink: 0;
}
.logo strong { color: var(--c-accent); }

.site-nav { flex: 1; }

.nav-list {
    display: flex;
    gap: 2px;
}

.link {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--c-text-dim);
    transition: color 0.15s, background 0.15s;
}
.link:hover            { color: var(--c-text); background: var(--c-surface-2); }
.active          { color: var(--c-accent); background: var(--c-accent-glow); }
.bientot            { opacity: 0.45; pointer-events: none; cursor: default; }

.bientot_badge {
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    color: var(--c-text-muted);
    padding: 1px 5px;
    border-radius: 99px;
}

.boutons {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.streak {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    padding: 4px 11px;
    border-radius: 99px;
}
.streak_emoji  { font-size: 0.95rem; }
.compteur { font-size: 0.88rem; font-weight: 700; color: var(--c-accent); }

.theme-toggle {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    border-radius: 8px;
    color: var(--c-text-dim);
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    flex-shrink: 0;
}
.theme-toggle:hover { background: var(--c-border); color: var(--c-text); }

.theme-toggle__icon { width: 16px; height: 16px; }

.theme-toggle__icon--moon { display: var(--icon-moon-display); }
.theme-toggle__icon--sun  { display: var(--icon-sun-display);  }


.site-main {
    flex: 1;
    max-width: 1080px;
    width: 100%;
    margin: 0 auto;
    padding: 48px 24px 80px;
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.hero { text-align: center; }

.hero__eyebrow {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-bottom: 10px;
}

.hero__title {
    font-size: clamp(1.9rem, 4.5vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
}

.search {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.recherche { width: 100%; max-width: 380px; }

.search__input {
    width: 100%;
    padding: 12px 16px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    color: var(--c-text);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 10px;
    outline: none;
    caret-color: var(--c-accent);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.search__input::placeholder { color: var(--c-text-muted); }
.search__input:focus {
    border-color: var(--c-accent-dim);
    box-shadow: 0 0 0 3px var(--c-accent-glow);
}
.search__input:disabled { opacity: 0.35; cursor: not-allowed; }

.search__suggestions {
    position: absolute;
    top: calc(100% + 4px);
    width: 100%;
    max-width: 380px;
    max-height: 210px;
    overflow-y: auto;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 10px;
    z-index: 50;
    box-shadow: 0 12px 28px rgba(0,0,0,0.3);
}
.search__suggestions:empty { display: none; }

.search__suggestion {
    padding: 10px 16px;
    font-size: 0.88rem;
    color: var(--c-text-dim);
    cursor: pointer;
    border-bottom: 1px solid var(--c-border-soft);
    transition: background 0.12s, color 0.12s;
}
.search__suggestion:last-child { border-bottom: none; }
.search__suggestion:hover,
.search__suggestion--focused   { background: var(--c-surface-2); color: var(--c-text); }

.game { overflow-x: auto; }

.grid__header,
.grid__row {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    gap: 5px;
    margin-bottom: 5px;
    min-width: 600px;
}

.grid__header-cell {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-text-muted);
    text-align: center;
    padding: 4px 2px 8px;
    border-bottom: 1px solid var(--c-border);
}

.case {
    perspective: 500px;
    height: 58px;
}

.case__inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.48s ease;
}
.case__inner.case--flipped { transform: rotateY(180deg); }

.case__front,
.case__back {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 7px;
    font-size: 0.72rem;
    font-weight: 600;
    text-align: center;
    padding: 4px 3px;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    line-height: 1.3;
    word-break: break-word;
    gap: 4px;
}

.case__front {
    background: var(--c-card-front-bg);
    border: 1px solid var(--c-card-front-border);
    color: var(--c-text-dim);
}

.case__back {
    transform: rotateY(180deg);
    flex-direction: column;
}

.case__back--correct {
    background: var(--c-correct-bg);
    border: 1px solid var(--c-correct-border);
    color: var(--c-correct-text);
}

.case__back--wrong {
    background: var(--c-wrong-bg);
    border: 1px solid var(--c-wrong-border);
    color: var(--c-wrong-text);
}

.case__arrow {
    width: 10px;
    height: 10px;
    flex-shrink: 0;
    stroke: currentColor;
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.victoire {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 26px 24px;
    background: var(--c-surface);
    border: 1px solid var(--c-correct-border);
    border-radius: 14px;
    text-align: center;
}

.victoire--visible {
    display: flex;
    animation: popIn 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.victoire__icon  { font-size: 2rem; }
.victoire__title { font-size: 1.35rem; font-weight: 700; color: var(--c-correct-text); }
.victoire__sub   { font-size: 0.82rem; color: var(--c-text-dim); }
#countdownTimer  { color: var(--c-accent); }

.howto {
    border-top: 1px solid var(--c-border);
    padding-top: 28px;
}

.howto__title {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--c-text-muted);
    margin-bottom: 18px;
}

.howto__steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 12px;
}

.howto__step {
    background: var(--c-surface);
    border: 1px solid var(--c-border-soft);
    border-radius: 10px;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.howto__num {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--c-accent);
    opacity: 0.45;
    line-height: 1;
}

.howto__step p {
    font-size: 0.82rem;
    color: var(--c-text-dim);
    line-height: 1.55;
}

.howto__chip {
    display: inline-block;
    padding: 1px 7px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}
.howto__chip--correct { background: var(--c-correct-bg); color: var(--c-correct-text); }
.howto__chip--wrong   { background: var(--c-wrong-bg);   color: var(--c-wrong-text); }

.site-footer {
    border-top: 1px solid var(--c-border);
    background: var(--c-surface);
    padding: 18px 24px;
}

.site-footer__inner {
    max-width: 1080px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.78rem;
    color: var(--c-text-muted);
}

.site-footer__sep { opacity: 0.35; }

@keyframes popIn {
    from { opacity: 0; transform: scale(0.88); }
    to   { opacity: 1; transform: scale(1); }
}

::-webkit-scrollbar             { width: 5px; height: 5px; }
::-webkit-scrollbar-track       { background: transparent; }
::-webkit-scrollbar-thumb       { background: var(--c-border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-text-muted); }

@media (max-width: 580px) {
    .bientot_badge    { display: none; }
    .link     { padding: 5px 8px; font-size: 0.8rem; }
    .site-header__inner { gap: 12px; }
}