/* =========================================================
   Microsoft PowerGaming Experience — Feuille de style
   Thème "scoreboard esport" — Microsoft blue x Dell technique x accent power-green
   ========================================================= */

:root {
    --bg: #0A1120;
    --bg-soft: #0F1A2E;
    --panel: #131F38;
    --panel-border: #223252;
    --primary: #0076CE;
    --primary-dark: #005A9E;
    --accent: #7CFF6B;
    --accent-dark: #4FCF3F;
    --danger: #FF5470;
    --warning: #FFC857;
    --text: #E8EEF7;
    --muted: #8CA0BE;
    --gold: #FFD166;
    --silver: #C9D3E0;
    --bronze: #E0A26B;

    --radius: 10px;
    --radius-lg: 16px;
    --font-display: 'Rajdhani', 'Segoe UI', sans-serif;
    --font-body: 'Inter', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: radial-gradient(ellipse at top, #101d38 0%, var(--bg) 55%);
    color: var(--text);
    font-family: var(--font-body);
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--accent); }

h1, h2, h3, h4, .display {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.02em;
    margin: 0 0 0.5em;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Barre de navigation --- */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: rgba(10, 17, 32, 0.85);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--panel-border);
    position: sticky;
    top: 0;
    z-index: 50;
}
.navbar .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
}
.brand-logos {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #FFFFFF;
    border-radius: 8px;
    padding: 6px 10px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.25);
}
.brand-logos img { display: block; height: 18px; width: auto; }
.brand-logos img.dell-logo { height: 22px; }
.brand-x { color: var(--muted); font-size: 0.9rem; font-weight: 400; }
.brand-title { white-space: nowrap; }
.navbar .brand .bolt { color: var(--accent); }
.navbar nav { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.navbar nav a {
    color: var(--muted);
    font-weight: 600;
    font-size: 0.92rem;
}
.navbar nav a:hover, .navbar nav a.active { color: var(--accent); }
.navbar .user-pill {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 0.85rem;
    color: var(--muted);
}

/* --- Cartes / panneaux --- */
.card {
    background: linear-gradient(180deg, var(--panel) 0%, var(--bg-soft) 100%);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 10px;
}

/* --- Boutons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: 8px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.03em;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
    text-decoration: none;
}
.btn-primary { background: var(--accent); color: #06210B; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(124, 255, 107, 0.25); color: #06210B; }
.btn-secondary { background: var(--panel); color: var(--text); border: 1px solid var(--panel-border); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-danger:hover { background: rgba(255, 84, 112, 0.1); }
.btn-sm { padding: 7px 14px; font-size: 0.78rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* --- Formulaires --- */
label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=datetime-local], textarea, select, input[type=file] {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-soft);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    margin-bottom: 16px;
}
input:focus, textarea:focus, select:focus {
    outline: 2px solid var(--primary);
    outline-offset: 1px;
}
.field-row { display: flex; gap: 16px; flex-wrap: wrap; }
.field-row > * { flex: 1; min-width: 180px; }
.checkbox-row { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 16px; }
.checkbox-row input { width: auto; margin: 3px 0 0; }
.checkbox-row label { margin: 0; color: var(--text); font-weight: 400; }
.help-text { font-size: 0.8rem; color: var(--muted); margin-top: -12px; margin-bottom: 16px; }

/* --- Messages flash --- */
.flash { padding: 13px 18px; border-radius: 8px; margin-bottom: 14px; font-size: 0.9rem; font-weight: 500; }
.flash-success { background: rgba(124,255,107,0.12); border: 1px solid var(--accent-dark); color: var(--accent); }
.flash-error { background: rgba(255,84,112,0.1); border: 1px solid var(--danger); color: var(--danger); }
.flash-info { background: rgba(42,169,224,0.1); border: 1px solid var(--primary); color: var(--primary); }

/* --- Badges de statut --- */
.tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.tag-open, .tag-published { background: rgba(124,255,107,0.15); color: var(--accent); }
.tag-upcoming { background: rgba(255,200,87,0.15); color: var(--warning); }
.tag-closed, .tag-draft { background: rgba(140,160,190,0.15); color: var(--muted); }
.tag-archived { background: rgba(255,84,112,0.12); color: var(--danger); }

/* --- Grille de défis --- */
.challenge-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }
.challenge-card {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.challenge-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.challenge-card .type-icon { font-size: 1.6rem; }
.challenge-card h3 { font-size: 1.1rem; margin-bottom: 2px; }
.challenge-card .meta { font-size: 0.8rem; color: var(--muted); }
.challenge-card .score-pill { font-family: var(--font-display); font-weight: 700; color: var(--accent); }

/* --- Compte à rebours --- */
.countdown-wrap { display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 40px 20px; text-align: center; }
.countdown-timer {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--accent);
    background: var(--bg-soft);
    border: 2px solid var(--panel-border);
    border-radius: var(--radius-lg);
    padding: 22px 34px;
    box-shadow: 0 0 40px rgba(124,255,107,0.08) inset;
}
.countdown-label { color: var(--muted); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.08em; }

/* --- Statistiques (dashboard participant / admin) --- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 8px; }
.stat-box { background: var(--bg-soft); border: 1px solid var(--panel-border); border-radius: var(--radius); padding: 16px 18px; }
.stat-box .value { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; color: var(--primary); }
.stat-box .label { font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-box.accent .value { color: var(--accent); }

/* --- Classement --- */
.live-dot {
    display: inline-block; width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent); margin-right: 6px;
    box-shadow: 0 0 0 0 rgba(124,255,107,0.6);
    animation: pulse 1.6s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(124,255,107,0.55); }
    70% { box-shadow: 0 0 0 8px rgba(124,255,107,0); }
    100% { box-shadow: 0 0 0 0 rgba(124,255,107,0); }
}
table.leaderboard { width: 100%; border-collapse: collapse; }
table.leaderboard th {
    text-align: left; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--muted); padding: 10px 14px; border-bottom: 1px solid var(--panel-border);
}
table.leaderboard td { padding: 12px 14px; border-bottom: 1px solid rgba(34,50,82,0.5); font-size: 0.92rem; }
table.leaderboard tr.pos-1 td:first-child, table.leaderboard tr.pos-2 td:first-child, table.leaderboard tr.pos-3 td:first-child {
    font-weight: 800;
}
table.leaderboard tr.pos-1 .pos-badge { color: var(--gold); }
table.leaderboard tr.pos-2 .pos-badge { color: var(--silver); }
table.leaderboard tr.pos-3 .pos-badge { color: var(--bronze); }
table.leaderboard tr.me { background: rgba(42,169,224,0.08); }
.pos-badge { font-family: var(--font-display); font-size: 1.05rem; }

/* --- Tables admin génériques --- */
table.admin-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.admin-table th {
    text-align: left; padding: 10px 12px; border-bottom: 2px solid var(--panel-border);
    color: var(--muted); text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.05em;
}
table.admin-table td { padding: 11px 12px; border-bottom: 1px solid rgba(34,50,82,0.5); vertical-align: middle; }
table.admin-table tr:hover { background: rgba(255,255,255,0.02); }
.actions-cell { display: flex; gap: 8px; flex-wrap: wrap; }
.actions-cell form { display: inline; }

/* --- Quiz / questions --- */
.question-block {
    background: var(--bg-soft);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 16px;
}
.question-block .q-title { font-weight: 700; margin-bottom: 12px; font-size: 1rem; }
.choice-option {
    display: flex; align-items: center; gap: 10px;
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: 8px; padding: 12px 14px; margin-bottom: 8px; cursor: pointer;
    transition: border-color 0.12s ease;
}
.choice-option:hover { border-color: var(--primary); }
.choice-option input { width: auto; margin: 0; }
.question-image { max-width: 100%; border-radius: var(--radius); margin-bottom: 14px; border: 1px solid var(--panel-border); }

/* --- Défi de classement (drag & drop) --- */
.ranking-list { list-style: none; padding: 0; margin: 0 0 16px; }
.ranking-item {
    display: flex; align-items: center; gap: 12px;
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: 8px; padding: 13px 16px; margin-bottom: 8px;
    cursor: grab; user-select: none;
}
.ranking-item.dragging { opacity: 0.4; }
.ranking-item .handle { color: var(--muted); font-size: 1.1rem; }
.ranking-item .position-number {
    font-family: var(--font-display); font-weight: 700; color: var(--primary);
    min-width: 22px;
}

/* --- Timer de jeu --- */
.play-timer {
    position: fixed; top: 78px; right: 20px;
    background: var(--panel); border: 1px solid var(--panel-border);
    border-radius: 999px; padding: 8px 16px;
    font-family: var(--font-display); font-weight: 700; color: var(--accent);
    z-index: 40;
}

/* --- Résultat / score --- */
.result-hero { text-align: center; padding: 30px 20px; }
.result-hero .score-big {
    font-family: var(--font-display); font-size: 3.2rem; font-weight: 800; color: var(--accent);
}

/* --- Question dynamique (formulaire admin) --- */
.builder-block {
    background: var(--bg-soft); border: 1px dashed var(--panel-border);
    border-radius: var(--radius); padding: 18px; margin-bottom: 14px; position: relative;
}
.builder-block .remove-btn {
    position: absolute; top: 10px; right: 10px;
    background: transparent; border: none; color: var(--danger); cursor: pointer; font-size: 0.85rem;
}
.choice-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.choice-row input[type=text] { margin-bottom: 0; flex: 1; }
.choice-row input[type=checkbox], .choice-row input[type=radio] { width: auto; margin: 0; }

/* --- Login screens --- */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.auth-card { max-width: 440px; width: 100%; }
.auth-card .logo-row { text-align: center; margin-bottom: 24px; }
.auth-card .logo-row .display { font-size: 1.6rem; }
.auth-card .logo-row .brand-logos {
    margin: 0 auto 16px;
    width: fit-content;
    padding: 10px 18px;
}
.auth-card .logo-row .brand-logos img { height: 26px; }
.auth-card .logo-row .brand-logos img.dell-logo { height: 32px; }

.text-muted { color: var(--muted); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.small { font-size: 0.82rem; }

@media (max-width: 640px) {
    .navbar { flex-direction: column; gap: 10px; align-items: flex-start; }
    .play-timer { position: static; display: inline-block; margin-bottom: 14px; }
    .countdown-timer { font-size: 1.8rem; padding: 16px 20px; }
}