/* ===================================
   TIKTOK REWARDS — MAIN CSS
   Dark Gaming Aesthetic
   =================================== */

:root {
    --bg-base:     #0a0b0f;
    --bg-card:     #111318;
    --bg-elevated: #181c24;
    --bg-input:    #0f1117;
    --border:      #1e2330;
    --border-glow: #2a3050;

    --primary:     #4f8ef7;
    --primary-dim: #1a2d55;
    --accent:      #00e5ff;
    --accent-dim:  #003d44;
    --gold:        #ffd700;
    --gold-dim:    #3d3100;
    --green:       #00e676;
    --red:         #ff1744;
    --orange:      #ff9100;

    --text-primary:   #e8eaf6;
    --text-secondary: #7b8ab8;
    --text-muted:     #3d4a6b;

    --font-display: 'Rajdhani', sans-serif;
    --font-body:    'Nunito', sans-serif;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;

    --shadow-card: 0 4px 24px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(79,142,247,0.15);
    --shadow-gold: 0 0 20px rgba(255,215,0,0.2);

    --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-glow); border-radius: 3px; }

/* ===== FLASH MESSAGES ===== */
.flash {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .85rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: .9rem;
    max-width: 380px;
    animation: slideIn .3s ease;
    border: 1px solid transparent;
}
.flash--success { background: #0a2918; border-color: var(--green); color: var(--green); }
.flash--error   { background: #2a0a10; border-color: var(--red);   color: var(--red); }
.flash--info    { background: var(--primary-dim); border-color: var(--primary); color: var(--primary); }
.flash--warning { background: #2a1e00; border-color: var(--orange); color: var(--orange); }
.flash button   { background: none; border: none; cursor: pointer; opacity: .7; font-size: 1rem; color: inherit; margin-left: auto; }

@keyframes slideIn { from { opacity:0; transform: translateX(20px); } to { opacity:1; transform: translateX(0); } }

/* ===== AUTH LAYOUT ===== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(79,142,247,0.12), transparent),
                radial-gradient(ellipse 60% 40% at 90% 90%, rgba(0,229,255,0.06), transparent),
                var(--bg-base);
}

.auth-box {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-card);
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo .logo-icon {
    font-size: 2.5rem;
    margin-bottom: .5rem;
}

.auth-logo h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-logo p {
    color: var(--text-secondary);
    font-size: .85rem;
    margin-top: .25rem;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 1.1rem;
}

.form-group label {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: .8px;
    margin-bottom: .4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: .95rem;
    padding: .7rem 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,142,247,0.12);
}

.form-group .hint {
    font-size: .78rem;
    color: var(--text-muted);
    margin-top: .3rem;
}

.form-group .ff-preview {
    margin-top: .5rem;
    padding: .6rem 1rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-sm);
    font-size: .9rem;
    font-weight: 600;
    color: var(--accent);
    display: none;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .75rem 1.5rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: .5px;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #3a6ee8);
    color: #fff;
    box-shadow: 0 4px 15px rgba(79,142,247,0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(79,142,247,0.4); }

.btn-success {
    background: linear-gradient(135deg, #00c853, #00a040);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0,200,83,0.3);
}
.btn-success:hover { transform: translateY(-1px); }

.btn-danger {
    background: linear-gradient(135deg, #ff1744, #c62828);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255,23,68,0.3);
}
.btn-danger:hover { transform: translateY(-1px); }

.btn-warning {
    background: linear-gradient(135deg, var(--orange), #e65100);
    color: #fff;
}
.btn-warning:hover { transform: translateY(-1px); }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--border-glow); color: var(--text-primary); }

.btn-sm { padding: .4rem .9rem; font-size: .85rem; }
.btn-full { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }

/* ===== DASHBOARD LAYOUT ===== */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 0;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    transition: transform var(--transition);
}

.sidebar-logo {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1rem;
}

.sidebar-logo h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-logo p {
    font-size: .75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: .2rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .7rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: .9rem;
    transition: all var(--transition);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    color: var(--text-primary);
    background: rgba(79,142,247,0.05);
    border-left-color: var(--primary);
}

.nav-item.active {
    color: var(--primary);
    background: rgba(79,142,247,0.1);
    border-left-color: var(--primary);
}

.nav-icon { font-size: 1.1rem; width: 1.4rem; text-align: center; }

.nav-section {
    font-size: .7rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 1rem 1.5rem .3rem;
}

.sidebar-footer {
    margin-top: auto;
    padding: 1.5rem;
    border-top: 1px solid var(--border);
}

.user-pill {
    display: flex;
    align-items: center;
    gap: .75rem;
    margin-bottom: .75rem;
}

.user-avatar {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
    flex-shrink: 0;
}

.user-pill-info strong {
    display: block;
    font-size: .85rem;
    font-weight: 700;
}

.user-pill-info span {
    font-size: .72rem;
    color: var(--text-muted);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-left: 250px;
    flex: 1;
    padding: 2rem;
    min-height: 100vh;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-primary);
}

.page-header p {
    color: var(--text-secondary);
    margin-top: .25rem;
}

/* ===== CARDS ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.card-header h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: .5px;
}

/* ===== STAT CARDS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.stat-card .stat-icon {
    font-size: 2rem;
    margin-bottom: .75rem;
}

.stat-card .stat-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    color: var(--text-primary);
}

.stat-card .stat-label {
    font-size: .8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: .8px;
    margin-top: .3rem;
}

.stat-card.gold { border-color: rgba(255,215,0,0.3); }
.stat-card.gold .stat-value { color: var(--gold); }
.stat-card.blue { border-color: rgba(79,142,247,0.3); }
.stat-card.blue .stat-value { color: var(--primary); }
.stat-card.cyan { border-color: rgba(0,229,255,0.3); }
.stat-card.cyan .stat-value { color: var(--accent); }

.stat-card::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: currentColor;
    opacity: .04;
}

/* ===== TABLES ===== */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: .9rem;
}

thead tr {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
}

thead th {
    padding: .9rem 1.1rem;
    text-align: left;
    font-size: .75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .8px;
    white-space: nowrap;
}

tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(79,142,247,0.04); }

tbody td {
    padding: .85rem 1.1rem;
    color: var(--text-primary);
}

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .25rem .7rem;
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.badge-pending  { background: rgba(255,145,0,.15);  color: var(--orange); border: 1px solid rgba(255,145,0,.3); }
.badge-approved { background: rgba(0,230,118,.12); color: var(--green);  border: 1px solid rgba(0,230,118,.3); }
.badge-rejected { background: rgba(255,23,68,.12);  color: var(--red);    border: 1px solid rgba(255,23,68,.3); }
.badge-admin    { background: rgba(79,142,247,.15); color: var(--primary); border: 1px solid rgba(79,142,247,.3); }

/* ===== DIAMOND DISPLAY ===== */
.diamond-display {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-family: var(--font-display);
    font-weight: 700;
}

.diamond-display .d-icon { font-size: 1.2rem; }
.diamond-display.large { font-size: 3rem; }
.diamond-display.large .d-icon { font-size: 2.8rem; }

.positive { color: var(--green); }
.negative { color: var(--red); }

/* ===== HISTORY LIST ===== */
.history-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: .9rem 1.1rem;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

.history-item:last-child { border-bottom: none; }
.history-item:hover { background: rgba(79,142,247,0.04); }

.history-indicator {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.history-indicator.add { background: rgba(0,230,118,.12); }
.history-indicator.sub { background: rgba(255,23,68,.12); }

.history-info { flex: 1; min-width: 0; }
.history-info strong { display: block; font-size: .9rem; font-weight: 600; }
.history-info small { font-size: .78rem; color: var(--text-muted); }

.history-amount {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    text-align: right;
}

/* ===== RANKING ===== */
.ranking-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: .85rem 1.1rem;
    border-bottom: 1px solid var(--border);
    transition: all var(--transition);
}

.ranking-item:last-child { border-bottom: none; }
.ranking-item:hover { background: rgba(79,142,247,0.04); }

.rank-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: .95rem;
    flex-shrink: 0;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.rank-number.pos-1 { background: var(--gold-dim); color: var(--gold); border-color: var(--gold); }
.rank-number.pos-2 { background: rgba(192,192,192,.1); color: #c0c0c0; border-color: #c0c0c0; }
.rank-number.pos-3 { background: rgba(205,127,50,.1); color: #cd7f32; border-color: #cd7f32; }

.rank-info { flex: 1; }
.rank-info strong { font-size: .95rem; font-weight: 700; }

.rank-diamonds {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--accent);
}

/* ===== PENDING PAGE ===== */
.pending-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--bg-base);
}

.pending-box {
    text-align: center;
    max-width: 480px;
    padding: 3rem 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
}

.pending-box .icon { font-size: 4rem; margin-bottom: 1.5rem; }
.pending-box h2 { font-family: var(--font-display); font-size: 1.8rem; margin-bottom: .75rem; letter-spacing: 1px; }
.pending-box p { color: var(--text-secondary); margin-bottom: 1.5rem; }

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    width: 100%;
    max-width: 440px;
    transform: scale(.95);
    transition: transform var(--transition);
}

.modal-overlay.open .modal {
    transform: scale(1);
}

.modal h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-bottom: .25rem;
    letter-spacing: .5px;
}

.modal p { color: var(--text-secondary); font-size: .9rem; margin-bottom: 1.5rem; }

.modal-actions {
    display: flex;
    gap: .75rem;
    margin-top: 1.5rem;
}

/* ===== HAMBURGER ===== */
.hamburger {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 200;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: .5rem .65rem;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 1.2rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 30px rgba(0,0,0,.5);
    }
    .main-content {
        margin-left: 0;
        padding: 1rem;
        padding-top: 4rem;
    }
    .hamburger { display: block; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .auth-box { padding: 1.75rem 1.25rem; }
    .modal-actions { flex-direction: column; }
}

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

/* ===== UTILITY ===== */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.divider { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }
.link { color: var(--primary); text-decoration: none; font-weight: 600; }
.link:hover { text-decoration: underline; }
.tiktok-link { color: var(--accent); word-break: break-all; }

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }