/* ======================================================================
   CHEMIN : /pyramide/pyramide.css
   NOM    : pyramide.css
   RÔLE   : Styles du moteur SC@LPA « Pyramide de calcul ».
            Look harmonisé avec le moteur /carres_magiques.
   ====================================================================== */

:root {
    --py-bg: #f3f7fb;
    --py-card: #ffffff;
    --py-text: #172033;
    --py-muted: #64748b;
    --py-primary: #2563eb;
    --py-primary-2: #1d4ed8;
    --py-success: #16a34a;
    --py-danger: #dc2626;
    --py-warning: #f59e0b;
    --py-border: rgba(148, 163, 184, .35);
    --py-soft: #eef6ff;
    --py-shadow: 0 22px 55px rgba(15, 23, 42, .12);
    --py-radius: 1.35rem;
    --py-brick-w: clamp(52px, 13vw, 86px);
    --py-brick-h: clamp(42px, 8vw, 56px);
}

* {
    box-sizing: border-box;
}

.py-body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, .14), transparent 34rem),
        linear-gradient(180deg, #f8fbff 0%, var(--py-bg) 100%);
    color: var(--py-text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.py-page {
    width: 100%;
    min-height: 100vh;
    padding: clamp(1rem, 3vw, 2.25rem);
}

.py-shell {
    width: min(1120px, 100%);
    margin: 0 auto;
    background: rgba(255, 255, 255, .86);
    border: 1px solid rgba(148, 163, 184, .28);
    border-radius: calc(var(--py-radius) + .45rem);
    box-shadow: var(--py-shadow);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

/* ======================================================================
   Mode iframe
   ====================================================================== */

html.is-embed,
html.is-embed body {
    overflow: hidden;
}

.py-body.is-embed {
    min-height: auto;
    background: #f8fafc;
}

.py-body.is-embed .py-page {
    min-height: auto;
    padding: 1rem;
}

.py-body.is-embed .py-shell {
    box-shadow: none;
    border-radius: 1.25rem;
}

/* ======================================================================
   Héros
   ====================================================================== */

.py-hero {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1.5rem;
    align-items: center;
    padding: clamp(1.25rem, 3vw, 2rem);
    background:
        linear-gradient(135deg, rgba(37, 99, 235, .98), rgba(14, 165, 233, .84)),
        radial-gradient(circle at bottom right, rgba(255, 255, 255, .35), transparent 14rem);
    color: #fff;
}

.py-kicker {
    margin: 0 0 .35rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 800;
    font-size: .78rem;
    opacity: .88;
}

.py-hero h1 {
    margin: 0;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    line-height: 1.05;
}

.py-intro {
    max-width: 720px;
    margin: .75rem 0 0;
    font-size: clamp(1rem, 2vw, 1.12rem);
    opacity: .95;
}

.py-hero-badge {
    width: clamp(74px, 14vw, 118px);
    aspect-ratio: 1 / 1;
    display: grid;
    place-items: center;
    border-radius: 2rem;
    background: rgba(255, 255, 255, .18);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .28);
}

.py-hero-badge span {
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 900;
    transform: translateY(-.08em);
}

/* ======================================================================
   Panneaux
   ====================================================================== */

.py-panel {
    margin: clamp(1rem, 2.2vw, 1.5rem);
    padding: clamp(1rem, 2.4vw, 1.4rem);
    background: var(--py-card);
    border: 1px solid var(--py-border);
    border-radius: var(--py-radius);
    box-shadow: 0 14px 34px rgba(15, 23, 42, .06);
}

.py-panel-title {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: end;
    margin-bottom: 1rem;
}

.py-panel-title h2 {
    margin: 0;
    font-size: 1.15rem;
}

.py-panel-title p {
    margin: .2rem 0 0;
    color: var(--py-muted);
}

/* ======================================================================
   Réglages
   ====================================================================== */

.py-controls {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .85rem;
}

.py-field {
    display: grid;
    gap: .35rem;
}

.py-field span {
    color: var(--py-muted);
    font-weight: 800;
    font-size: .82rem;
}

.py-field select {
    width: 100%;
    border: 1px solid var(--py-border);
    border-radius: .9rem;
    background: #fff;
    padding: .72rem .8rem;
    color: var(--py-text);
    font-weight: 750;
    outline: none;
}

.py-field select:focus {
    border-color: rgba(37, 99, 235, .7);
    box-shadow: 0 0 0 .25rem rgba(37, 99, 235, .12);
}

/* ======================================================================
   Jeu
   ====================================================================== */

.py-game-top {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .85rem;
    margin-bottom: 1rem;
}

.py-stat {
    padding: .85rem 1rem;
    border-radius: 1rem;
    background: #f8fafc;
    border: 1px solid rgba(148, 163, 184, .25);
}

.py-stat-label {
    display: block;
    color: var(--py-muted);
    font-size: .75rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.py-stat strong {
    display: block;
    margin-top: .2rem;
    font-size: clamp(1.15rem, 3vw, 1.55rem);
    line-height: 1.1;
}

.py-target-card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .6rem;
    margin: 1rem 0 1.25rem;
    padding: .85rem 1rem;
    border-radius: 1rem;
    background: var(--py-soft);
    border: 1px solid rgba(37, 99, 235, .18);
}

.py-target-label {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: .2rem .58rem;
    background: rgba(37, 99, 235, .12);
    color: var(--py-primary-2);
    font-weight: 900;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.py-target-card strong {
    color: #1e3a8a;
}

/* ======================================================================
   Pyramide
   ====================================================================== */

.py-pyramid {
    width: 100%;
    overflow-x: auto;
    padding: .85rem .2rem 1.1rem;
}

.py-row {
    display: flex;
    justify-content: center;
    gap: .5rem;
    margin-bottom: .5rem;
    min-width: max-content;
}

.py-brick {
    width: var(--py-brick-w);
    height: var(--py-brick-h);
    border: 2px solid rgba(148, 163, 184, .45);
    border-radius: .85rem;
    background: #fff;
    color: var(--py-text);
    font-size: clamp(1rem, 2.4vw, 1.28rem);
    font-weight: 900;
    text-align: center;
    outline: none;
    box-shadow: 0 8px 18px rgba(15, 23, 42, .08);
    transition: transform .12s ease, border-color .12s ease, background .12s ease, box-shadow .12s ease;
    padding: 0;
    margin: 0;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.py-brick:focus {
    border-color: rgba(37, 99, 235, .8);
    box-shadow:
        0 0 0 .22rem rgba(37, 99, 235, .15),
        0 8px 18px rgba(15, 23, 42, .08);
    transform: translateY(-1px);
}

.py-brick.is-given {
    background: linear-gradient(180deg, #f8fafc, #eef2f7);
    color: #334155;
    border-color: rgba(100, 116, 139, .35);
    cursor: default;
}

.py-brick.is-correct {
    background: #dcfce7;
    color: #14532d;
    border-color: rgba(22, 163, 74, .72);
}

.py-brick.is-wrong {
    background: #fee2e2;
    color: #7f1d1d;
    border-color: rgba(220, 38, 38, .7);
}

.py-brick.is-locked {
    cursor: default;
}

/* ======================================================================
   Feedback & boutons
   ====================================================================== */

.py-feedback {
    min-height: 2.6rem;
    margin-top: .5rem;
    color: var(--py-muted);
    font-weight: 800;
}

.py-feedback.is-success {
    color: var(--py-success);
}

.py-feedback.is-warning {
    color: var(--py-warning);
}

.py-feedback.is-danger {
    color: var(--py-danger);
}

.py-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: .75rem;
    margin-top: 1rem;
}

.py-actions-settings {
    justify-content: flex-start;
}

.py-btn {
    border: 0;
    border-radius: 999px;
    padding: .78rem 1.15rem;
    font-weight: 900;
    cursor: pointer;
    transition: transform .12s ease, opacity .12s ease, box-shadow .12s ease;
}

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

.py-btn:disabled {
    opacity: .55;
    cursor: not-allowed;
    transform: none;
}

.py-btn-primary {
    background: var(--py-primary);
    color: #fff;
    box-shadow: 0 12px 22px rgba(37, 99, 235, .24);
}

.py-btn-success {
    background: var(--py-success);
    color: #fff;
    box-shadow: 0 12px 22px rgba(22, 163, 74, .22);
}

.py-btn-secondary {
    background: #e2e8f0;
    color: #1e293b;
}

/* ======================================================================
   Responsive
   ====================================================================== */

@media (max-width: 820px) {
    .py-hero {
        grid-template-columns: 1fr;
    }

    .py-hero-badge {
        display: none;
    }

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

    .py-game-top {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    :root {
        --py-brick-w: clamp(44px, 15vw, 62px);
        --py-brick-h: 44px;
    }

    .py-page {
        padding: .6rem;
    }

    .py-panel {
        margin: .75rem;
    }

    .py-controls {
        grid-template-columns: 1fr;
    }
}

.py-waiting {
    width: min(620px, 100%);
    margin: 1rem auto;
    padding: 2rem 1.25rem;
    border: 2px dashed rgba(37, 99, 235, .28);
    border-radius: 1.25rem;
    background: #f8fafc;
    color: #334155;
    text-align: center;
}

.py-waiting-icon {
    width: 4rem;
    height: 4rem;
    display: grid;
    place-items: center;
    margin: 0 auto .8rem;
    border-radius: 1.2rem;
    background: rgba(37, 99, 235, .1);
    color: #2563eb;
    font-size: 2rem;
    font-weight: 900;
}

.py-waiting strong {
    display: block;
    font-size: 1.05rem;
    margin-bottom: .3rem;
}

.py-waiting span {
    display: block;
    color: #64748b;
}