/* ================================================================
   XP QUIZ SYSTEM — Frontend Styles
   Gaming-inspired dark theme with glassmorphism
   ================================================================ */

:root {
    --xpq-bg: #0f0e17;
    --xpq-surface: #1a1a2e;
    --xpq-card: rgba(26, 26, 46, 0.85);
    --xpq-border: rgba(255, 255, 255, 0.08);
    --xpq-text: #e8e8e8;
    --xpq-text-muted: #8b8b9e;
    --xpq-primary: #7c3aed;
    --xpq-primary-light: #a78bfa;
    --xpq-accent: #06d6a0;
    --xpq-accent-glow: rgba(6, 214, 160, 0.3);
    --xpq-xp-color: #fbbf24;
    --xpq-danger: #ef4444;
    --xpq-correct: #22c55e;
    --xpq-wrong: #ef4444;
    --xpq-radius: 16px;
    --xpq-radius-sm: 10px;
    --xpq-font: 'Tajawal', -apple-system, BlinkMacSystemFont, sans-serif;
    --xpq-gradient: linear-gradient(135deg, #7c3aed 0%, #2563eb 50%, #06d6a0 100%);
    --xpq-gradient-gold: linear-gradient(135deg, #f59e0b, #fbbf24);
    --xpq-gradient-silver: linear-gradient(135deg, #94a3b8, #cbd5e1);
    --xpq-gradient-bronze: linear-gradient(135deg, #b45309, #d97706);
}

/* ── Base ── */
.xpq-wrapper {
    font-family: var(--xpq-font);
    color: var(--xpq-text);
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.8;
    direction: rtl;
    text-align: right;
}
.xpq-wrapper *, .xpq-wrapper *::before, .xpq-wrapper *::after {
    box-sizing: border-box;
}
.xpq-wrapper h1, .xpq-wrapper h2, .xpq-wrapper h3, .xpq-wrapper h4,
.xpq-wrapper p, .xpq-wrapper span, .xpq-wrapper label, .xpq-wrapper td,
.xpq-wrapper th, .xpq-wrapper li, .xpq-wrapper a, .xpq-wrapper div {
    color: inherit;
}

/* ── Buttons ── */
.xpq-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 22px; border: none; border-radius: var(--xpq-radius-sm);
    font-family: var(--xpq-font); font-weight: 600; font-size: 14px;
    cursor: pointer; transition: all 0.25s ease; text-decoration: none;
    color: #fff; background: var(--xpq-primary);
}
.xpq-btn:hover { transform: translateY(-1px); filter: brightness(1.15); }
.xpq-btn-glow {
    background: var(--xpq-gradient);
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
    padding: 14px 32px; font-size: 16px; border-radius: var(--xpq-radius);
}
.xpq-btn-glow:hover { box-shadow: 0 6px 30px rgba(124, 58, 237, 0.6); }
.xpq-btn-submit { width: 100%; justify-content: center; margin-top: 12px; }

/* ── Login Prompt ── */
.xpq-login-prompt, .xpq-error-card, .xpq-completed-card {
    background: var(--xpq-card); backdrop-filter: blur(16px);
    border: 1px solid var(--xpq-border); border-radius: var(--xpq-radius);
    padding: 48px 32px; text-align: center;
}
.xpq-login-icon, .xpq-completed-icon { font-size: 48px; margin-bottom: 16px; }
.xpq-login-prompt h2, .xpq-error-card h2, .xpq-completed-card h2 {
    margin: 0 0 8px; font-size: 24px; font-weight: 700;
}
.xpq-login-prompt p, .xpq-error-card p { color: var(--xpq-text-muted); margin: 0 0 24px; }
.xpq-completed-note { color: var(--xpq-text-muted); font-size: 13px; margin-top: 24px; }
.xpq-quiz-title { color: var(--xpq-primary-light); font-weight: 600; margin: 4px 0 24px; }

/* ── Quiz Header ── */
.xpq-quiz-header {
    background: var(--xpq-card); backdrop-filter: blur(16px);
    border: 1px solid var(--xpq-border); border-radius: var(--xpq-radius);
    padding: 28px; margin-bottom: 20px;
}
.xpq-quiz-header .xpq-quiz-title {
    margin: 0 0 6px; font-size: 22px; font-weight: 800;
    background: var(--xpq-gradient); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
}
.xpq-quiz-desc { color: var(--xpq-text-muted); margin: 0 0 16px; font-size: 14px; }
.xpq-quiz-meta { display: flex; flex-wrap: wrap; gap: 16px; }
.xpq-meta-item {
    font-size: 13px; color: var(--xpq-text-muted);
    background: rgba(255,255,255,0.05); padding: 4px 12px;
    border-radius: 20px;
}

/* ── Progress Bar ── */
.xpq-progress-container { margin-bottom: 24px; }
.xpq-progress-bar {
    height: 6px; background: rgba(255,255,255,0.08);
    border-radius: 3px; overflow: hidden;
}
.xpq-progress-fill {
    height: 100%; background: var(--xpq-gradient);
    border-radius: 3px; transition: width 0.4s ease;
}
.xpq-progress-text {
    display: block; text-align: left; font-size: 12px;
    color: var(--xpq-text-muted); margin-top: 6px;
}

/* ── Question Card ── */
.xpq-question-card {
    background: var(--xpq-card); backdrop-filter: blur(16px);
    border: 1px solid var(--xpq-border); border-radius: var(--xpq-radius);
    padding: 24px; margin-bottom: 16px;
    animation: xpqFadeIn 0.4s ease both;
}
.xpq-question-card:nth-child(2) { animation-delay: 0.05s; }
.xpq-question-card:nth-child(3) { animation-delay: 0.1s; }
.xpq-question-card:nth-child(4) { animation-delay: 0.15s; }
.xpq-question-card:nth-child(5) { animation-delay: 0.2s; }
.xpq-question-num {
    font-size: 11px; text-transform: uppercase; letter-spacing: 1.5px;
    color: var(--xpq-primary-light); font-weight: 700; margin-bottom: 8px;
}
.xpq-question-text { font-size: 16px; font-weight: 600; margin: 0 0 16px; line-height: 1.5; }

/* ── Options ── */
.xpq-options { display: flex; flex-direction: column; gap: 10px; }
.xpq-option {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px; border-radius: var(--xpq-radius-sm);
    border: 1px solid var(--xpq-border); cursor: pointer;
    transition: all 0.2s ease; position: relative;
    background: rgba(255,255,255,0.02);
}
.xpq-option:hover { border-color: var(--xpq-primary); background: rgba(124, 58, 237, 0.08); }
.xpq-radio { display: none; }
.xpq-option-letter {
    width: 32px; height: 32px; display: flex; align-items: center;
    justify-content: center; border-radius: 8px; font-weight: 700;
    font-size: 13px; background: rgba(255,255,255,0.06);
    color: var(--xpq-text-muted); flex-shrink: 0;
    transition: all 0.2s ease;
}
.xpq-option-text { flex: 1; font-size: 14px; }
.xpq-option-check {
    opacity: 0; font-weight: 700; color: var(--xpq-primary-light);
    transition: opacity 0.2s ease;
}
.xpq-radio:checked ~ .xpq-option-check { opacity: 1; }
.xpq-radio:checked ~ .xpq-option-letter {
    background: var(--xpq-primary); color: #fff;
}
.xpq-option.xpq-selected {
    border-color: var(--xpq-primary);
    background: rgba(124, 58, 237, 0.12);
}

/* ── Answer Review States ── */
.xpq-option.xpq-correct {
    border-color: var(--xpq-correct) !important;
    background: rgba(34, 197, 94, 0.12) !important;
}
.xpq-option.xpq-correct .xpq-option-letter {
    background: var(--xpq-correct) !important; color: #fff !important;
}
.xpq-option.xpq-wrong {
    border-color: var(--xpq-danger) !important;
    background: rgba(239, 68, 68, 0.12) !important;
}
.xpq-option.xpq-wrong .xpq-option-letter {
    background: var(--xpq-danger) !important; color: #fff !important;
}

/* ── Results Panel ── */
.xpq-results-panel {
    background: var(--xpq-card); backdrop-filter: blur(16px);
    border: 1px solid var(--xpq-border); border-radius: var(--xpq-radius);
    padding: 40px 32px; text-align: center;
    animation: xpqSlideUp 0.5s ease;
}
.xpq-results-icon { font-size: 56px; margin-bottom: 12px; }
.xpq-results-header h2 { font-size: 24px; font-weight: 800; margin: 0 0 28px; }

/* ── Stats Grid ── */
.xpq-result-stats {
    display: flex; justify-content: center; gap: 32px;
    flex-wrap: wrap; margin-bottom: 28px;
}
.xpq-stat { text-align: center; }
.xpq-stat-value {
    display: block; font-size: 28px; font-weight: 800;
    background: var(--xpq-gradient); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
}
.xpq-stat-value.xpq-xp-value {
    background: var(--xpq-gradient-gold); -webkit-background-clip: text;
    background-clip: text;
}
.xpq-stat-value.xpq-bonus-value {
    background: linear-gradient(135deg, var(--xpq-accent), #34d399);
    -webkit-background-clip: text; background-clip: text;
}
.xpq-stat-label {
    display: block; font-size: 12px; text-transform: uppercase;
    letter-spacing: 1px; color: var(--xpq-text-muted); margin-top: 4px;
}

/* ── Level Bar ── */
.xpq-level-display { margin-bottom: 28px; }
.xpq-level-info {
    display: flex; align-items: center; justify-content: center;
    gap: 8px; margin-bottom: 12px;
}
.xpq-level-label { font-size: 13px; color: var(--xpq-text-muted); text-transform: uppercase; letter-spacing: 1px; }
.xpq-level-number { font-size: 20px; font-weight: 800; color: var(--xpq-xp-color); }
.xpq-level-bar-container { max-width: 400px; margin: 0 auto; }
.xpq-level-bar {
    height: 10px; background: rgba(255,255,255,0.08);
    border-radius: 5px; overflow: hidden;
}
.xpq-level-fill {
    height: 100%; border-radius: 5px;
    background: var(--xpq-gradient-gold);
    transition: width 1s ease;
}
.xpq-level-text {
    display: block; text-align: center; font-size: 12px;
    color: var(--xpq-text-muted); margin-top: 6px;
}

/* ── Badges ── */
.xpq-new-badges { margin-top: 24px; }
.xpq-new-badges h3 { font-size: 16px; margin-bottom: 16px; }
.xpq-badges-list { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.xpq-badge-item {
    display: flex; flex-direction: column; align-items: center;
    gap: 6px; padding: 16px; border-radius: var(--xpq-radius-sm);
    background: rgba(255,255,255,0.05); border: 1px solid var(--xpq-border);
    min-width: 100px; animation: xpqBadgePop 0.4s ease;
}
.xpq-badge-icon { font-size: 32px; }
.xpq-badge-name { font-size: 12px; font-weight: 600; color: var(--xpq-text-muted); }

/* ================================================================
   LEADERBOARD
   ================================================================ */

.xpq-leaderboard { max-width: 100%; }
.xpq-lb-header { text-align: center; margin-bottom: 32px; }
.xpq-lb-title {
    font-size: 28px; font-weight: 800; margin: 0 0 6px;
    background: var(--xpq-gradient); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
}
.xpq-lb-subtitle { color: var(--xpq-text-muted); margin: 0; font-size: 14px; }

/* ── Podium ── */
.xpq-podium {
    display: grid; grid-template-columns: 1fr 1fr 1fr;
    gap: 16px; margin-bottom: 32px; align-items: end;
}
.xpq-podium-card {
    text-align: center; padding: 24px 16px; border-radius: var(--xpq-radius);
    background: var(--xpq-card); backdrop-filter: blur(16px);
    border: 1px solid var(--xpq-border);
    transition: transform 0.3s ease;
}
.xpq-podium-card:hover { transform: translateY(-4px); }
.xpq-podium-card.xpq-is-me { border-color: var(--xpq-primary); box-shadow: 0 0 20px rgba(124, 58, 237, 0.2); }
.xpq-podium-gold { order: 2; padding-bottom: 32px; border-top: 3px solid #fbbf24; }
.xpq-podium-silver { order: 1; border-top: 3px solid #94a3b8; }
.xpq-podium-bronze { order: 3; border-top: 3px solid #d97706; }
.xpq-podium-medal { font-size: 36px; margin-bottom: 8px; }
.xpq-podium-avatar {
    width: 64px; height: 64px; border-radius: 50%;
    border: 3px solid var(--xpq-border); margin-bottom: 8px;
}
.xpq-podium-name { font-weight: 700; font-size: 14px; margin-bottom: 2px; }
.xpq-podium-level { font-size: 12px; color: var(--xpq-text-muted); margin-bottom: 4px; }
.xpq-podium-xp { font-weight: 800; color: var(--xpq-xp-color); font-size: 15px; }

/* ── Rankings Table ── */
.xpq-lb-table-wrap {
    background: var(--xpq-card); backdrop-filter: blur(16px);
    border: 1px solid var(--xpq-border); border-radius: var(--xpq-radius);
    overflow: clip; margin-bottom: 24px;
}
.xpq-lb-table { width: 100%; border-collapse: collapse; }
.xpq-lb-table thead th {
    padding: 14px 16px; text-align: right; font-size: 11px;
    text-transform: uppercase; letter-spacing: 1.5px;
    color: var(--xpq-text-muted); border-bottom: 1px solid var(--xpq-border);
    background: rgba(0,0,0,0.2);
}
.xpq-lb-table tbody tr {
    border-bottom: 1px solid var(--xpq-border);
    transition: background 0.2s ease;
}
.xpq-lb-table tbody tr:last-child { border-bottom: none; }
.xpq-lb-table tbody tr:hover { background: rgba(255,255,255,0.03); }
.xpq-lb-table tbody tr.xpq-is-me {
    background: rgba(124, 58, 237, 0.1);
    border-right: 3px solid var(--xpq-primary);
}
.xpq-lb-table td { padding: 12px 16px; vertical-align: middle; color: var(--xpq-text); }
.xpq-lb-rank { width: 60px; text-align: center; }
.xpq-rank-num { font-weight: 700; font-size: 15px; }
.xpq-lb-user-info { display: flex; align-items: center; gap: 12px; }
.xpq-lb-avatar { width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0; }
.xpq-lb-name { font-weight: 600; font-size: 14px; }
.xpq-you-tag {
    display: inline-block; font-size: 10px; background: var(--xpq-primary);
    color: #fff; padding: 1px 8px; border-radius: 10px; margin-right: 6px;
    font-weight: 700; vertical-align: middle;
}
.xpq-level-badge {
    display: inline-block; padding: 3px 10px; border-radius: 8px;
    font-size: 12px; font-weight: 700; color: var(--xpq-xp-color);
    background: rgba(251, 191, 36, 0.12);
}
.xpq-xp-amount { font-weight: 700; }
.xpq-lb-xp { text-align: center; }

/* ── My Stats Card ── */
.xpq-my-stats {
    background: var(--xpq-card); backdrop-filter: blur(16px);
    border: 1px solid var(--xpq-border); border-radius: var(--xpq-radius);
    padding: 28px; margin-top: 24px;
}
.xpq-my-stats h3 { margin: 0 0 20px; font-size: 18px; font-weight: 700; color: var(--xpq-text); }
.xpq-my-stats-grid {
    display: flex; justify-content: center; gap: 32px;
    margin-bottom: 20px; flex-wrap: wrap;
}
.xpq-my-badges { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; justify-content: center; }

/* ── Empty State ── */
.xpq-empty-state {
    text-align: center; padding: 48px 24px;
    background: var(--xpq-card); border-radius: var(--xpq-radius);
    border: 1px solid var(--xpq-border);
}
.xpq-empty-icon { font-size: 48px; margin-bottom: 12px; }
.xpq-empty-state h2, .xpq-empty-state h3 { margin: 0 0 8px; }
.xpq-empty-state p { color: var(--xpq-text-muted); margin: 0 0 20px; }

/* ── Animations ── */
@keyframes xpqFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes xpqSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes xpqBadgePop {
    0% { opacity: 0; transform: scale(0.5); }
    70% { transform: scale(1.1); }
    100% { opacity: 1; transform: scale(1); }
}
@keyframes xpqCountUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes xpqPulse {
    0%, 100% { box-shadow: 0 0 0 0 var(--xpq-accent-glow); }
    50% { box-shadow: 0 0 0 10px transparent; }
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .xpq-wrapper { padding: 8px; }
    .xpq-quiz-header { padding: 20px; }
    .xpq-quiz-meta { gap: 8px; }
    .xpq-meta-item { font-size: 12px; }
    .xpq-question-card { padding: 18px; }
    .xpq-result-stats { gap: 20px; }
    .xpq-stat-value { font-size: 22px; }
    .xpq-podium { grid-template-columns: 1fr; gap: 12px; }
    .xpq-podium-gold, .xpq-podium-silver, .xpq-podium-bronze { order: unset; }
    .xpq-results-panel { padding: 28px 20px; }

    /* ── Leaderboard table mobile fix ── */
    .xpq-lb-table-wrap {
        overflow: clip;
    }
    .xpq-lb-table {
        table-layout: fixed;
        width: 100%;
    }
    /* Percentage-based columns so table always fits viewport */
    .xpq-lb-rank { width: 12%; }
    .xpq-lb-user { width: auto; }
    .xpq-lb-level { width: 15%; text-align: center; }
    .xpq-lb-xp { width: 18%; text-align: center; white-space: nowrap; }

    .xpq-lb-table thead th {
        font-size: 10px;
        letter-spacing: 0.5px;
        padding: 10px 4px;
    }
    .xpq-lb-table td {
        padding: 8px 4px;
        font-size: 12px;
    }
    .xpq-lb-avatar { width: 24px; height: 24px; }
    .xpq-lb-user-info { gap: 6px; }
    .xpq-lb-name {
        font-size: 12px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        display: block;
    }
    .xpq-rank-num { font-size: 13px; }
    .xpq-level-badge { font-size: 11px; padding: 2px 6px; }
    .xpq-xp-amount { font-size: 12px; }
    .xpq-you-tag { font-size: 9px; padding: 1px 5px; margin-right: 3px; }

    /* My stats card mobile */
    .xpq-my-stats { padding: 20px 14px; }
    .xpq-my-stats-grid { gap: 16px; }

    /* Hide unit text on mobile to save space */
    .xpq-xp-unit { display: none; }
}