/* ==========================================================================
   jeux.css — Défi Français QR (jeux.violetsenyshyn.com)
   Includes interactive teacher/classroom UI + @media print cut-ready studio
   ========================================================================== */

:root {
    --bg-page: #f4f6fb;
    --bg-card: #ffffff;
    --bg-subtle: #eef2ff;
    --primary: #3730a3;
    --primary-hover: #312e81;
    --accent: #d97706;
    --accent-hover: #b45309;
    --emerald: #059669;
    --emerald-bg: #ecfdf5;
    --amber-bg: #fffbeb;
    --danger: #dc2626;
    --text-main: #1e1b4b;
    --text-muted: #4b5563;
    --border-color: #cbd5e1;
    --radius-lg: 16px;
    --radius-md: 10px;
    --shadow-sm: 0 2px 8px rgba(30, 27, 75, 0.06);
    --shadow-md: 0 8px 24px rgba(30, 27, 75, 0.1);
}

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

body {
    margin: 0;
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.5;
}

h1, h2, h3 {
    font-family: 'Fredoka', sans-serif;
    margin-block: 0 0.5rem;
}

/* Canonical visually-hidden utility (preserves accessibility tree) */
.visually-hidden {
    position: absolute;
    clip-path: inset(50%);
    overflow: hidden;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    border: 0;
    white-space: nowrap;
}

/* Accessible focus outlines */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
    outline: 3px solid #2563eb;
    outline-offset: 2px;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.jeux-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1.5rem;
    background: #1e1b4b;
    color: #ffffff;
    box-shadow: var(--shadow-sm);
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #ffffff;
    text-decoration: none;
}

.brand-badge {
    font-size: 1.85rem;
    background: rgba(255, 255, 255, 0.14);
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.brand-title {
    display: block;
    font-family: 'Fredoka', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.1;
}

.brand-sub {
    display: block;
    font-size: 0.8rem;
    color: #c7d2fe;
}

.jeux-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.nav-tab {
    background: rgba(255, 255, 255, 0.1);
    color: #e0e7ff;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    padding: 0.55rem 1.1rem;
    font-family: 'Fredoka', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    transition: background 0.15s ease, transform 0.1s ease;
}

.nav-tab:hover {
    background: rgba(255, 255, 255, 0.2);
}

.nav-tab.active {
    background: #fbbf24;
    color: #1e1b4b;
    border-color: #fbbf24;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

/* ==========================================================================
   Welcome Quickstart Banner
   ========================================================================== */
.welcome-banner {
    background: linear-gradient(135deg, #312e81 0%, #4338ca 100%);
    color: #ffffff;
    padding: 1.25rem 1.5rem;
    border-bottom: 3px solid #fbbf24;
}

.welcome-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
}

.pipeda-pill {
    display: inline-block;
    background: rgba(16, 185, 129, 0.25);
    border: 1px solid #6ee7b7;
    color: #ecfdf5;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    margin-block-end: 0.4rem;
}

.welcome-copy h1 {
    font-size: 1.35rem;
    margin-block-end: 0.4rem;
}

.steps-inline {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.95rem;
    color: #e0e7ff;
}

.welcome-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.4rem;
}

/* ==========================================================================
   Main Layout & Panels
   ========================================================================== */
.jeux-main {
    max-width: 1280px;
    margin: 1.5rem auto;
    padding-inline: 1.25rem;
}

.workspace-view {
    display: none;
}

.workspace-view.active {
    display: block;
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.35rem;
    box-shadow: var(--shadow-sm);
    margin-block-end: 1.25rem;
}

.panel-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-block-end: 1rem;
}

.text-muted {
    color: var(--text-muted);
    margin-block: 0.2rem 0.75rem;
    font-size: 0.95rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn-primary,
.btn-secondary,
.btn-accent,
.btn-sim,
.btn-ghost-sm {
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    min-height: 48px;
    padding: 0.65rem 1.15rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background 0.15s ease, transform 0.1s ease;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
}
.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-secondary {
    background: #f8fafc;
    color: var(--text-main);
    border-color: var(--border-color);
}
.btn-secondary:hover {
    background: #e2e8f0;
}

.btn-accent {
    background: #fbbf24;
    color: #1e1b4b;
    border-color: #f59e0b;
    font-weight: 700;
}
.btn-accent:hover {
    background: #f59e0b;
}

.btn-sm {
    min-height: 40px;
    padding: 0.4rem 0.85rem;
    font-size: 0.9rem;
}

.btn-lg {
    font-size: 1.08rem;
    padding: 0.8rem 1.4rem;
}

.btn-block {
    width: 100%;
}

.btn-ghost-sm {
    background: transparent;
    color: inherit;
    min-height: 36px;
    padding: 0.25rem 0.6rem;
    font-size: 0.85rem;
    text-decoration: underline;
}

/* ==========================================================================
   Tab 1: Scanner & Two-Slot Verification
   ========================================================================== */
.scanner-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 1.25rem;
}

@media (max-width: 920px) {
    .scanner-grid {
        grid-template-columns: 1fr;
    }
}

.camera-viewport {
    position: relative;
    background: #0f172a;
    border-radius: var(--radius-md);
    min-height: 300px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #334155;
}

#scannerVideo {
    width: 100%;
    height: 100%;
    max-height: 360px;
    object-fit: cover;
}

.camera-overlay-prompt {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    text-align: center;
    color: #f8fafc;
    background: rgba(15, 23, 42, 0.55);
    pointer-events: none;
}

.scanner-reticle {
    width: 180px;
    height: 180px;
    border: 3px dashed #fbbf24;
    border-radius: 16px;
    margin-block-end: 0.75rem;
}

.simulator-box {
    margin-block-start: 1rem;
    background: var(--bg-subtle);
    border: 1px dashed #818cf8;
    border-radius: var(--radius-md);
    padding: 0.9rem;
}

.simulator-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    font-size: 0.9rem;
    margin-block-end: 0.6rem;
}

.simulator-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.btn-sim {
    background: #ffffff;
    border: 2px solid #4f46e5;
    color: #312e81;
    font-size: 0.92rem;
    flex: 1;
}
.btn-sim:hover {
    background: #e0e7ff;
}

.pin-toggle-wrap {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    background: #fef3c7;
    border: 1px solid #f59e0b;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
}

.scan-status-banner {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    background: var(--bg-subtle);
    border-inline-start: 5px solid var(--primary);
    margin-block-end: 1rem;
    font-size: 1.02rem;
}

.scan-status-banner.awarded {
    background: var(--emerald-bg);
    border-inline-start-color: var(--emerald);
    color: #065f46;
    font-weight: 700;
}

.scan-status-banner.warning {
    background: var(--amber-bg);
    border-inline-start-color: var(--accent);
    color: #92400e;
    font-weight: 600;
}

.scan-slot {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-block-end: 0.9rem;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.scan-slot.filled {
    border-style: solid;
    border-color: var(--emerald);
    background: #f0fdf4;
}

.slot-badge {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--primary);
    margin-block-end: 0.45rem;
}

.slot-empty-msg {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    color: var(--text-muted);
}

.slot-empty-msg p {
    margin: 0.15rem 0 0;
    font-size: 0.9rem;
}

.slot-icon {
    font-size: 2rem;
}

.slot-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-block-end: 0.5rem;
}

.cat-pill {
    background: #e0e7ff;
    color: #312e81;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
}

.pts-pill {
    background: #fef3c7;
    color: #92400e;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
}

.scanned-prompt {
    font-size: 1.05rem;
    font-weight: 600;
    margin-block: 0.4rem 0.75rem;
}

.teacher-answer-key {
    background: #ffffff;
    border: 2px solid #059669;
    border-radius: 8px;
    padding: 0.75rem;
}

.key-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: #047857;
}

.key-answer {
    display: block;
    font-size: 1.25rem;
    color: #064e3b;
    margin-block: 0.15rem;
}

.key-hint {
    display: block;
    font-size: 0.86rem;
    color: var(--text-muted);
}

.scanned-student-row {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.student-avatar-lg {
    font-size: 2.3rem;
}

.student-name-lg {
    font-size: 1.2rem;
    display: block;
}

.student-score-sub {
    margin: 0;
    color: var(--text-muted);
    font-weight: 600;
}

.duplicate-actions {
    background: var(--amber-bg);
    border: 1px solid #f59e0b;
    border-radius: var(--radius-md);
    padding: 0.85rem;
    margin-block-end: 0.9rem;
}

.duplicate-actions p {
    margin: 0 0 0.5rem;
    font-weight: 600;
    color: #92400e;
}

.quick-roster-bar {
    border-block-start: 1px solid var(--border-color);
    padding-block-start: 0.85rem;
}

.quick-roster-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-block-end: 0.5rem;
}

.quick-student-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.student-quick-pill {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    min-height: 38px;
}
.student-quick-pill:hover {
    background: #e0e7ff;
    border-color: var(--primary);
}

/* ==========================================================================
   Tab 2: Classroom & Leaderboard
   ========================================================================== */
.classroom-top-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.classroom-selector-group,
.classroom-actions-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem;
}

.share-code-pill {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-subtle);
    padding: 0.45rem 0.85rem;
    border-radius: var(--radius-md);
}

.student-leaderboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.student-card {
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 0.9rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    transition: transform 0.12s ease, border-color 0.12s ease;
}

.student-card.rank-1 {
    border-color: #fbbf24;
    background: linear-gradient(180deg, #fffbeb 0%, #ffffff 100%);
}

.student-card-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    width: 100%;
}

.student-card-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    min-width: 0;
}

.student-card-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: 0.35rem;
    flex-shrink: 0;
}

.student-card-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.3rem;
}

.btn-student-action {
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0;
    transition: background 0.12s ease, border-color 0.12s ease;
}

.btn-student-action:hover {
    background: #e0e7ff;
    border-color: var(--primary);
}

.btn-student-delete:hover {
    background: #fee2e2;
    border-color: #ef4444;
}

.student-modal-identity-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

select.student-icon-select {
    flex: 0 0 64px;
    width: 64px;
    min-width: 64px;
    min-height: 44px;
    height: 44px;
    padding: 0 0.35rem;
    border: 1px solid #94a3b8;
    border-radius: var(--radius-md);
    background: #fff;
    font-size: 1.3rem;
    cursor: pointer;
}

input[type="text"].student-edit-input {
    flex: 1 1 0;
    width: auto;
    min-width: 0;
    min-height: 44px;
    height: 44px;
    padding: 0.45rem 0.7rem;
    border: 1px solid #94a3b8;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
}

.parent-invite-box {
    background: #f0fdf4;
    border: 1px solid #86efac;
    border-radius: var(--radius-md);
    padding: 0.9rem 1rem;
}

.magic-link-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    padding: 0.4rem 0.6rem;
}

.magic-link-code {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    overflow-wrap: anywhere;
}

.btn-xs {
    min-height: 32px;
    padding: 0.25rem 0.6rem;
    font-size: 0.82rem;
}

.student-rank-num {
    font-family: 'Fredoka', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-muted);
    min-width: 24px;
}

.student-avatar {
    font-size: 2rem;
}

.student-codename {
    display: block;
    font-weight: 700;
    font-size: 1.05rem;
    line-height: 1.25;
    overflow-wrap: break-word;
}

.student-solved-meta {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.student-points-badge {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    background: var(--bg-subtle);
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    white-space: nowrap;
}

/* Projector Fullscreen Mode */
body.projector-mode .student-leaderboard-grid {
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
}
body.projector-mode .student-codename {
    font-size: 1.35rem;
}
body.projector-mode .student-points-badge {
    font-size: 1.6rem;
}
body.projector-mode .student-card-actions,
body.projector-mode .student-edit-row {
    display: none !important;
}

/* ==========================================================================
   Tab 3: Forms & Custom Card Library (Modern Web Guidance Compliant)
   ========================================================================== */
.cards-workspace-grid {
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: 1.25rem;
}

@media (max-width: 960px) {
    .cards-workspace-grid {
        grid-template-columns: 1fr;
    }
}

.form-fieldset {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
    margin-inline: 0;
    margin-block-end: 1.15rem;
}

.form-fieldset legend {
    font-weight: 700;
    padding-inline: 0.4rem;
    font-size: 0.95rem;
}

.radio-pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.radio-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 0.45rem 0.85rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.92rem;
    min-height: 44px;
}

.radio-pill input[type="radio"] {
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
    margin: 0;
}

.form-group {
    margin-block-end: 1.25rem;
}

/* Gestalt Proximity Rule: label margin smaller than group margin */
.form-group label,
.field-group label {
    display: block;
    font-weight: 600;
    margin-block-end: 0.35rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
select,
textarea {
    width: 100%;
    font-family: inherit;
    font-size: 1rem; /* >=16px prevents iOS zoom */
    padding: 0.7rem 0.85rem;
    min-height: 48px;
    border: 1px solid #94a3b8;
    border-radius: var(--radius-md);
    background: #ffffff;
    color: var(--text-main);
}

@media (pointer: coarse) {
    input[type="text"],
    input[type="email"],
    input[type="password"],
    select,
    button {
        min-height: 52px;
    }
}

input:invalid:user-invalid,
textarea:invalid:user-invalid {
    border-color: var(--danger);
    background-color: #fef2f2;
}

.field-hint {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-block-start: 0.25rem;
}

.form-row-2col {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 0.85rem;
}

.form-row-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 1rem;
}

.form-row-inline .field-group {
    flex: 1;
    min-width: 200px;
}

.form-actions-inline {
    display: flex;
    gap: 0.5rem;
}

.form-error-msg {
    background: #fef2f2;
    border: 1px solid var(--danger);
    color: #991b1b;
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.form-status-msg {
    background: var(--emerald-bg);
    border: 1px solid var(--emerald);
    color: #065f46;
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-md);
    font-weight: 600;
}