/* ── Indice du pied de page ── */
.tri-hint {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    width: 28px;
    height: 28px;
    margin-left: 0.4rem;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: none;
    color: inherit;
    cursor: pointer;
    opacity: 0.3;
    transition: opacity 0.3s ease, transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.tri-hint:hover,
.tri-hint:focus-visible {
    opacity: 0.95;
    transform: rotate(120deg);
}

.tri-hint:focus-visible {
    outline: 2px solid var(--color-accent-light);
    outline-offset: 2px;
}

/* ── Fenêtre ── */
.tri {
    --tri-jaune:      #f2c230;
    --tri-jaune-lid:  #d6a514;
    --tri-jaune-ink:  #3a2e00;
    --tri-verre:      #3f8f4f;
    --tri-verre-lid:  #2c703b;
    --tri-ordures:    #59605d;
    --tri-ordures-lid:#3e4442;
    --tri-bio:        #8b5a2b;
    --tri-bio-lid:    #6b431e;
    --tri-ink:        #ffffff;
    --tri-ok:         var(--color-accent-light);
    --tri-ko:         #f4a582;
    --tri-ko-fond:    #c0392b;
    --tri-texte:      #eef5f1;
    --tri-texte-doux: rgba(238, 245, 241, 0.7);
    --tri-voile:      rgba(5, 15, 10, 0.72);
    --tri-trait:      rgba(255, 255, 255, 0.14);
    --tri-etiquette:  rgba(255, 255, 255, 0.94);
    --tri-encre-sombre: #10241c;

    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: var(--tri-voile);
    -webkit-backdrop-filter: blur(3px);
    backdrop-filter: blur(3px);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.tri[hidden] { display: none; }
.tri.is-open { opacity: 1; }

.tri__box {
    position: relative;
    display: flex;
    flex-direction: column;
    width: min(720px, 100%);
    height: min(660px, 100%);
    padding: 1.1rem 1.25rem 0.9rem;
    border: 1px solid var(--tri-trait);
    border-radius: 18px;
    background:
        radial-gradient(120% 70% at 50% 0%, rgba(158, 212, 184, 0.12), transparent 70%),
        var(--color-primary);
    color: var(--tri-texte);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
    transform: translateY(12px) scale(0.98);
    transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.tri.is-open .tri__box { transform: none; }
.tri__box:focus { outline: none; }

/* En-tête */
.tri__head {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-bottom: 0.75rem;
}

.tri__title {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.6rem;
    line-height: 1.1;
    color: var(--tri-texte);
}

.tri__hud {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--tri-texte-doux);
}

.tri__score b {
    margin-left: 0.25rem;
    font-family: var(--font-mono);
    font-size: 1.15rem;
    letter-spacing: 0;
    color: var(--tri-texte);
}

.tri__lives {
    display: inline-flex;
    gap: 0.3rem;
}

.tri__life {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--tri-ok);
    transition: background 0.3s ease, transform 0.3s ease;
}

.tri__life.is-lost {
    background: transparent;
    box-shadow: inset 0 0 0 1.5px var(--tri-texte-doux);
    transform: scale(0.8);
}

.tri__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    border: 1px solid var(--tri-trait);
    border-radius: 50%;
    background: transparent;
    color: var(--tri-texte);
    cursor: pointer;
    transition: background 0.2s ease;
}

.tri__close:hover { background: var(--tri-trait); }

/* Scène et tapis roulant */
.tri__stage {
    position: relative;
    flex: 1;
    min-height: 220px;
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    box-shadow: inset 0 0 0 1px var(--tri-trait);
}

.tri__timer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    overflow: hidden;
    border-radius: 12px 12px 0 0;
    background: var(--tri-trait);
}

.tri__timer span {
    display: block;
    height: 100%;
    background: var(--tri-ok);
    transform-origin: left center;
}

.tri__ground {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 18px;
    border-top: 2px solid rgba(255, 255, 255, 0.28);
    border-radius: 0 0 12px 12px;
    background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.13) 0 14px, transparent 14px 28px);
    background-size: 28px 100%;
    animation: tri-tapis 0.9s linear infinite;
}

@keyframes tri-tapis {
    to { background-position: 28px 0; }
}

/* Déchet */
.tri__item {
    position: absolute;
    top: 14px;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    pointer-events: none;
    will-change: transform;
}

.tri__emoji {
    font-size: 2.7rem;
    line-height: 1;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.35));
}

.tri__name {
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    background: var(--tri-etiquette);
    color: var(--tri-encre-sombre);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.tri__item.is-sorted {
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.5, 0, 0.75, 0), opacity 0.4s ease-in;
}

.tri__item.is-wrong { animation: tri-secoue 0.4s ease; }
.tri__item.is-wrong .tri__name,
.tri__item.is-dropped .tri__name {
    background: var(--tri-ko-fond);
    color: var(--tri-ink);
}

.tri__item.is-dropped .tri__emoji {
    scale: 1.1 0.8;
    transform-origin: bottom center;
    transition: scale 0.15s ease;
}

@keyframes tri-secoue {
    0%, 100% { translate: 0 0; }
    20%      { translate: -9px 0; }
    40%      { translate: 8px 0; }
    60%      { translate: -6px 0; }
    80%      { translate: 4px 0; }
}

/* Panneaux d'accueil et de fin */
.tri__panel {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
}

.tri__panel[hidden] { display: none; }

.tri__panel-title {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 5vw, 2.2rem);
    line-height: 1.15;
    color: var(--tri-texte);
}

.tri__panel-text {
    max-width: 30rem;
    margin: 0;
    color: var(--tri-texte-doux);
}

.tri__panel-stats {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--tri-ok);
}

.tri__panel-stats[hidden] { display: none; }

.tri__panel-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
    margin-top: 0.6rem;
}

.tri__btn {
    padding: 0.65rem 1.5rem;
    border: 1px solid var(--tri-ok);
    border-radius: 999px;
    background: var(--tri-ok);
    color: var(--tri-encre-sombre);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.2s ease;
}

.tri__btn:hover { transform: translateY(-1px); }

.tri__btn--ghost {
    background: transparent;
    color: var(--tri-texte);
    border-color: var(--tri-trait);
}

.tri__btn:focus-visible,
.tri__close:focus-visible,
.tri__bin:focus-visible {
    outline: 2px solid var(--tri-texte);
    outline-offset: 3px;
}

/* Retour après chaque tri */
.tri__feedback {
    min-height: 3em;
    margin: 0.6rem 0 0.3rem;
    font-size: 0.95rem;
    line-height: 1.45;
    color: var(--tri-texte-doux);
}

.tri__feedback--ok { color: var(--tri-ok); }
.tri__feedback--ko { color: var(--tri-ko); }

/* Bacs */
.tri__bins {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    padding-top: 12px;
}

.tri__bin {
    --bac: var(--tri-ordures);
    --couvercle: var(--tri-ordures-lid);
    --encre: var(--tri-ink);

    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    min-height: 84px;
    padding: 1.4rem 0.4rem 0.7rem;
    border: 0;
    border-radius: 4px 4px 14px 14px;
    background:
        linear-gradient(90deg, transparent 0 22%, rgba(0, 0, 0, 0.08) 22% 24%, transparent 24% 76%, rgba(0, 0, 0, 0.08) 76% 78%, transparent 78%),
        var(--bac);
    color: var(--encre);
    font-family: var(--font-body);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.tri__bin::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -4px;
    right: -4px;
    height: 12px;
    border-radius: 6px 6px 2px 2px;
    background: var(--couvercle);
    transform-origin: 0 100%;
    transition: transform 0.2s ease;
}

.tri__bin:hover:not(:disabled) { transform: translateY(-2px); }
.tri__bin:disabled { cursor: default; opacity: 0.55; }

.tri__bin--emballages { --bac: var(--tri-jaune);   --couvercle: var(--tri-jaune-lid); --encre: var(--tri-jaune-ink); }
.tri__bin--verre      { --bac: var(--tri-verre);   --couvercle: var(--tri-verre-lid); }
.tri__bin--ordures    { --bac: var(--tri-ordures); --couvercle: var(--tri-ordures-lid); }
.tri__bin--biodechets { --bac: var(--tri-bio);     --couvercle: var(--tri-bio-lid); }

.tri__bin-key {
    position: absolute;
    top: 0.35rem;
    right: 0.4rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.3rem;
    height: 1.3rem;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.18);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1;
}

.tri__bin-label {
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
}

.tri__bin.is-gulp::before  { transform: translateY(-2px) rotate(-7deg); }
.tri__bin.is-wrong         { box-shadow: 0 0 0 3px var(--tri-ko-fond); animation: tri-secoue 0.4s ease; }
.tri__bin.is-hint          { box-shadow: 0 0 0 3px var(--tri-texte); animation: tri-pulse 0.8s ease 2; }

@keyframes tri-pulse {
    50% { transform: translateY(-4px); }
}

.tri__note {
    margin: 0.7rem 0 0;
    font-size: 0.75rem;
    text-align: center;
    color: var(--tri-texte-doux);
}

@media (hover: none) {
    .tri__bin-key,
    .tri__note-keys { display: none; }
}

@media (max-width: 600px) {
    .tri { padding: 0; }

    .tri__box {
        width: 100%;
        height: 100%;
        height: 100dvh;
        padding: 0.8rem 0.8rem calc(0.7rem + env(safe-area-inset-bottom));
        border: 0;
        border-radius: 0;
    }

    .tri__title { font-size: 1.3rem; }
    .tri__hud { gap: 0.7rem; }
    .tri__bins { gap: 0.45rem; }
    .tri__bin { min-height: 74px; padding: 1.3rem 0.2rem 0.55rem; }
    .tri__bin-label { font-size: 0.74rem; }
    .tri__feedback { font-size: 0.88rem; }
}

[data-theme="dark"] .tri__box {
    border-color: rgba(158, 212, 184, 0.18);
}

@media (prefers-reduced-motion: reduce) {
    .tri,
    .tri__box,
    .tri-hint,
    .tri__bin,
    .tri__bin::before { transition: none; }

    .tri__ground,
    .tri__item.is-wrong,
    .tri__bin.is-wrong,
    .tri__bin.is-hint { animation: none; }

    .tri__item.is-sorted { transition: opacity 0.2s ease; }
    .tri-hint:hover,
    .tri-hint:focus-visible { transform: none; }
}