/* ===== REALITY TRAINING CENTER - Brand Styles v3.0 =====
   Brand: #f91519 | #a8a4a4 | #ffffff
   Fonts: Outfit (display) + DM Sans (body)
===== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=DM+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --primary: #f91519;
    --primary-dark: #d01115;
    --primary-light: #ff3a3d;
    --secondary: #a8a4a4;
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #f91519;
    --dark: #0D0D0D;
    --dark-card: #1A1A1A;
    --dark-surface: #141414;
    --light: #111111;
    --white: #ffffff;
    --gray: #888888;
    --text: #E8E8E8;
    --text-muted: #888888;
    --border: #2A2A2A;
    --border-light: #333333;
    --gradient: linear-gradient(135deg, #f91519 0%, #d01115 100%);
    --gradient-success: linear-gradient(135deg, #22C55E 0%, #16A34A 100%);
    --gradient-danger: linear-gradient(135deg, #f91519 0%, #dc2626 100%);
    --shadow: 0 4px 15px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.4);
    --shadow-red: 0 4px 20px rgba(249,21,25,0.2);
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 14px;
}
* { margin:0; padding:0; box-sizing:border-box; }
body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== NAVBAR ===== */
.navbar {
    background: var(--dark-surface);
    border-bottom: 1px solid var(--border);
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.navbar-logo {
    height: 32px;
    object-fit: contain;
    background: #ffffff;
    padding: 4px 10px;
    border-radius: 6px;
}
.brand-text {
    color: var(--secondary);
    font-family: 'Outfit', sans-serif;
    font-size: 0.85em;
    font-weight: 500;
    letter-spacing: 0.5px;
    opacity: 0.8;
}
.navbar-nav { display: flex; gap: 8px; align-items: center; }
.navbar-nav a {
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85em;
    transition: all 0.2s;
    font-weight: 500;
}
.navbar-nav a:hover { background: rgba(249,21,25,0.08); text-decoration: none; color: var(--white); }
.navbar-nav .badge-notif {
    background: var(--primary);
    color: white;
    font-size: 0.65em;
    padding: 2px 6px;
    border-radius: 10px;
    margin-left: 3px;
}
.user-info { color: var(--text-muted); font-size: 0.82em; }
.btn-logout {
    color: var(--text-muted) !important;
    border: 1px solid var(--border) !important;
    padding: 5px 12px !important;
    border-radius: var(--radius-sm) !important;
    font-size: 0.8em !important;
}
.btn-logout:hover { border-color: var(--primary) !important; color: var(--primary) !important; }
.menu-toggle {
    display: none; background: none; border: 1px solid var(--border);
    color: var(--text); padding: 6px 10px; border-radius: var(--radius-sm); cursor: pointer; font-size: 1.1em;
}

/* ===== LAYOUT ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 20px; }
.container-sm { max-width: 600px; margin: 0 auto; padding: 20px; }

/* ===== CARDS ===== */
.card {
    background: var(--dark-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 20px;
    margin-bottom: 16px;
    transition: all 0.25s;
}
.card:hover { border-color: var(--border-light); }
.card h3 { font-family: 'Outfit', sans-serif; margin-bottom: 10px; color: var(--white); font-weight: 700; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9em;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    border: none;
    text-align: center;
    transition: all 0.2s;
    text-decoration: none !important;
    letter-spacing: 0.3px;
}
.btn-primary { background: var(--gradient); color: white; }
.btn-primary:hover { box-shadow: var(--shadow-red); transform: translateY(-1px); }
.btn-success { background: var(--gradient-success); color: white; }
.btn-success:hover { box-shadow: 0 4px 15px rgba(34,197,94,0.3); transform: translateY(-1px); }
.btn-danger { background: var(--gradient-danger); color: white; }
.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 5px 12px; font-size: 0.8em; }
.btn-lg { padding: 12px 30px; font-size: 1em; }
.btn-block { display: block; width: 100%; text-align: center; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; margin-bottom: 5px; font-weight: 600; font-size: 0.88em; color: var(--text-muted);
}
.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--dark-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.95em;
    font-family: 'DM Sans', sans-serif;
    transition: border-color 0.2s;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(249,21,25,0.1); }
.form-control::placeholder { color: var(--text-muted); opacity: 0.5; }
select.form-control { appearance: auto; }

/* ===== ALERTS ===== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 0.9em;
    border: 1px solid;
}
.alert-success { background: rgba(34,197,94,0.08); border-color: rgba(34,197,94,0.2); color: var(--success); }
.alert-danger { background: rgba(249,21,25,0.08); border-color: rgba(249,21,25,0.2); color: var(--primary-light); }
.alert-warning { background: rgba(245,158,11,0.08); border-color: rgba(245,158,11,0.2); color: var(--warning); }
.alert-info { background: rgba(59,130,246,0.08); border-color: rgba(59,130,246,0.2); color: #60A5FA; }

/* ===== TABLES ===== */
table { width: 100%; border-collapse: collapse; font-size: 0.9em; }
thead { background: rgba(249,21,25,0.06); }
th {
    text-align: left; padding: 10px 12px; font-weight: 600; color: var(--primary);
    font-family: 'Outfit', sans-serif; font-size: 0.82em; text-transform: uppercase;
    letter-spacing: 0.5px; border-bottom: 2px solid rgba(249,21,25,0.15);
}
td { padding: 10px 12px; border-bottom: 1px solid var(--border); color: var(--text); }
tr:hover td { background: rgba(249,21,25,0.02); }

/* ===== BADGES ===== */
.badge {
    display: inline-block; padding: 3px 10px; border-radius: 10px; font-size: 0.75em; font-weight: 600;
}
.badge-success { background: rgba(34,197,94,0.12); color: var(--success); }
.badge-warning { background: rgba(245,158,11,0.12); color: var(--warning); }
.badge-danger { background: rgba(249,21,25,0.12); color: var(--primary-light); }
.badge-info { background: rgba(59,130,246,0.12); color: #60A5FA; }

/* ===== LOGIN PAGE ===== */
.login-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark);
    padding: 20px;
    position: relative;
    overflow: hidden;
}
.login-bg::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(249,21,25,0.06) 0%, transparent 65%);
    border-radius: 50%;
}
.login-card {
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 35px;
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
}
.login-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.login-logo {
    text-align: center;
    margin-bottom: 20px;
}
.login-logo img {
    height: auto;
    max-width: 280px;
    object-fit: contain;
    background: #ffffff;
    padding: 20px 30px;
    border-radius: 14px;
}
.login-card h1 {
    font-family: 'Outfit', sans-serif;
    color: var(--white);
    font-size: 1.4em;
    text-align: center;
    margin-bottom: 4px;
    font-weight: 700;
}
.login-card .subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85em;
    margin-bottom: 28px;
}

/* ===== DASHBOARD ===== */
.dashboard-header {
    background: var(--dark-surface);
    border-bottom: 1px solid var(--border);
    padding: 24px 20px;
    margin-bottom: 0;
}
.dashboard-header h2 {
    font-family: 'Outfit', sans-serif;
    color: var(--white);
    font-weight: 800;
    font-size: 1.5em;
}
.dashboard-header p { color: var(--text-muted); margin-top: 4px; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin: 20px 0;
}
.stat-box {
    background: var(--dark-card);
    border: 1px solid var(--border);
    padding: 18px;
    border-radius: var(--radius);
    text-align: center;
    transition: all 0.25s;
}
.stat-box:hover { border-color: var(--primary); box-shadow: var(--shadow-red); transform: translateY(-2px); }
.stat-box .stat-number {
    font-family: 'Outfit', sans-serif;
    font-size: 2em;
    font-weight: 800;
    color: var(--primary);
}
.stat-box .stat-label { color: var(--text-muted); font-size: 0.8em; margin-top: 2px; }

/* ===== MODULE GRID ===== */
.module-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin: 20px 0;
}
.module-row {
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}
.module-row:hover { border-color: var(--border-light); }
.module-row.locked { opacity: 0.5; }
.module-row.current { border-color: rgba(249,21,25,0.3); }
.module-row.current::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--primary);
}
.module-row.passed { border-color: rgba(34,197,94,0.2); }
.module-row.passed::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--success);
}
.module-num {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 0.85em;
    flex-shrink: 0;
    border: 2px solid var(--border);
    color: var(--text-muted);
}
.module-row.current .module-num { border-color: var(--primary); color: var(--primary); background: rgba(249,21,25,0.08); }
.module-row.passed .module-num { border-color: var(--success); color: var(--success); background: rgba(34,197,94,0.08); }
.module-info { flex: 1; }
.module-info h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    color: var(--white);
    font-size: 0.95em;
    margin-bottom: 2px;
}
.module-info p { color: var(--text-muted); font-size: 0.8em; }
.module-actions { flex-shrink: 0; }

/* ===== STUDY PAGE ===== */
.study-header {
    background: var(--dark-surface);
    border-bottom: 1px solid var(--border);
    padding: 20px;
    color: var(--text);
}
.study-header a { color: var(--text-muted); font-size: 0.85em; }
.study-header h2 { font-family: 'Outfit', sans-serif; font-weight: 700; margin-top: 6px; }
.study-content {
    margin: 16px 0;
}
.study-content iframe {
    width: 100%;
    min-height: 80vh;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #0D0D0D;
}
.study-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    flex-wrap: wrap;
    gap: 10px;
}

/* ===== EXAM TIMER ===== */
.exam-timer {
    background: var(--dark-card);
    border: 1px solid var(--border);
    padding: 12px 20px;
    border-radius: var(--radius);
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.2em;
    font-weight: 700;
    margin-bottom: 16px;
    position: sticky;
    top: 60px;
    z-index: 50;
}
.exam-timer.warning { color: var(--primary); border-color: rgba(249,21,25,0.3); background: rgba(249,21,25,0.05); }
.exam-container { max-width: 800px; margin: 0 auto; }

/* Cheat overlay */
.cheat-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.95);
    z-index: 10000; display: none; justify-content: center; align-items: center; text-align: center;
}
.cheat-overlay.active { display: flex; }
.cheat-overlay h2 { color: var(--primary); font-family: 'Outfit', sans-serif; font-size: 1.5em; }
.cheat-overlay p { color: var(--text-muted); margin: 8px 0; }

/* ===== QUESTION CARDS (for result page) ===== */
.question-card {
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}
.question-number { color: var(--primary); font-family: 'JetBrains Mono', monospace; font-size: 0.8em; font-weight: 600; margin-bottom: 8px; }
.question-text { color: var(--text); font-weight: 500; margin-bottom: 14px; }
.option-label {
    display: flex; align-items: flex-start; gap: 10px;
    background: rgba(255,255,255,0.02); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 10px 14px; margin-bottom: 6px;
    cursor: pointer; transition: all 0.2s; color: var(--text-muted); font-size: 0.9em;
}
.option-label:hover { background: rgba(249,21,25,0.04); border-color: rgba(249,21,25,0.2); color: var(--text); }
.option-label.selected { background: rgba(249,21,25,0.08); border-color: var(--primary); color: var(--text); }
.option-label.correct { background: rgba(34,197,94,0.08); border-color: var(--success); color: var(--success); }
.option-label.wrong { background: rgba(249,21,25,0.08); border-color: var(--primary); color: var(--primary); }
.option-label input[type="radio"] { display: none; }

/* ===== RESULT PAGE ===== */
.result-header {
    text-align: center;
    padding: 30px 20px;
    margin-bottom: 16px;
}
.result-score {
    font-family: 'Outfit', sans-serif;
    font-size: 3.5em;
    font-weight: 800;
    margin: 10px 0;
}
.result-score.passed { color: var(--success); }
.result-score.failed { color: var(--primary); }

/* ===== PAGINATION ===== */
.pagination { display: flex; gap: 6px; justify-content: center; margin: 20px 0; }
.pagination a, .pagination span {
    padding: 6px 12px; border-radius: var(--radius-sm); font-size: 0.85em;
    border: 1px solid var(--border); color: var(--text-muted);
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.pagination .active { background: var(--primary); color: white; border-color: var(--primary); }

/* ===== FLASH MESSAGES ===== */
.flash { padding: 12px 20px; border-radius: var(--radius-sm); margin: 12px 20px; text-align: center; font-weight: 500; }
.flash-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.2); color: var(--success); }
.flash-error { background: rgba(249,21,25,0.1); border: 1px solid rgba(249,21,25,0.2); color: var(--primary); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .navbar-nav { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--dark-surface); border-bottom: 1px solid var(--border); padding: 12px; gap: 4px; }
    .navbar-nav.open { display: flex; }
    .navbar-nav a { padding: 10px 12px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .module-row { flex-direction: column; text-align: center; }
    .study-content iframe { min-height: 60vh; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .login-card { padding: 28px 20px; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ===== UTILITY ===== */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--primary); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.d-flex { display: flex; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }