:root {
    --bg-dark: #070913;
    --bg-card: #0d1127;
    --bg-card-hover: #151a3a;
    --border-neon: rgba(0, 240, 255, 0.3);
    --border-active: #00f0ff;
    --neon-cyan: #00f0ff;
    --neon-pink: #ff007f;
    --neon-yellow: #fcee0a;
    --neon-green: #00ff66;
    --neon-purple: #9d4edd;
    --text-main: #f0f4fc;
    --text-muted: #8b9bb4;
    --danger: #ff3366;
    --success: #00ff66;
    --warning: #fcee0a;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}

body {
    background: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    padding-bottom: 4rem;
}

/* Header */
.admin-header {
    background: #0a0e24;
    border-bottom: 1px solid var(--border-neon);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.1);
}

.brand-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-badge {
    background: rgba(255, 0, 127, 0.2);
    border: 1px solid var(--neon-pink);
    color: var(--neon-pink);
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 700;
    letter-spacing: 1.5px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-lobby {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-lobby:hover {
    background: rgba(0, 240, 255, 0.15);
    box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
}

.admin-user-pill {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-logout {
    background: rgba(255, 51, 102, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-logout:hover {
    background: var(--danger);
    color: #fff;
}

/* Main Container */
.admin-container {
    max-width: 1400px;
    margin: 1.5rem auto;
    padding: 0 1.5rem;
}

/* Tabs Navigation */
.nav-tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 2rem;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-btn:hover {
    color: var(--text-main);
}

.tab-btn.active {
    color: var(--neon-cyan);
    border-bottom-color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

/* Tab Panels */
.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.2s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* KPI Cards Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-neon);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--neon-cyan);
}

.kpi-card.pink::before { background: var(--neon-pink); }
.kpi-card.yellow::before { background: var(--neon-yellow); }
.kpi-card.green::before { background: var(--neon-green); }

.kpi-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.kpi-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    margin: 0.25rem 0;
}

.kpi-sub {
    font-size: 0.8rem;
    color: var(--neon-cyan);
}

/* Tables & Controls */
.section-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.card-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-bar {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.search-input {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    min-width: 250px;
}

.search-input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.3);
}

.select-filter {
    background: #111633;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
}

.btn-action {
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-action:hover {
    background: var(--neon-cyan);
    color: #000;
}

.btn-action.danger {
    border-color: var(--danger);
    color: var(--danger);
    background: rgba(255, 51, 102, 0.1);
}

.btn-action.danger:hover {
    background: var(--danger);
    color: #fff;
}

.btn-action.warning {
    border-color: var(--warning);
    color: var(--warning);
    background: rgba(252, 238, 10, 0.1);
}

.btn-action.warning:hover {
    background: var(--warning);
    color: #000;
}

/* Data Table */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
}

.data-table th {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    font-weight: 700;
    padding: 0.75rem 1rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    vertical-align: middle;
}

.data-table tbody tr:hover {
    background: var(--bg-card-hover);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.badge-active { background: rgba(0, 255, 102, 0.15); color: var(--success); border: 1px solid var(--success); }
.badge-inactive { background: rgba(255, 51, 102, 0.15); color: var(--danger); border: 1px solid var(--danger); }
.badge-admin { background: rgba(252, 238, 10, 0.15); color: var(--warning); border: 1px solid var(--warning); }
.badge-player { background: rgba(0, 240, 255, 0.15); color: var(--neon-cyan); border: 1px solid var(--neon-cyan); }

.badge-purchase { background: rgba(0, 255, 102, 0.15); color: var(--success); border: 1px solid var(--success); }
.badge-coin { background: rgba(252, 238, 10, 0.15); color: var(--neon-yellow); border: 1px solid var(--neon-yellow); }
.badge-ad { background: rgba(0, 240, 255, 0.15); color: var(--neon-cyan); border: 1px solid var(--neon-cyan); }
.badge-admin-adj { background: rgba(157, 78, 221, 0.2); color: var(--neon-purple); border: 1px solid var(--neon-purple); }
.badge-bonus { background: rgba(255, 0, 127, 0.15); color: var(--neon-pink); border: 1px solid var(--neon-pink); }

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-overlay.hidden {
    display: none;
}

.modal-box {
    background: #0d122b;
    border: 2px solid var(--neon-cyan);
    border-radius: 12px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.3);
    position: relative;
}

.modal-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.25rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-close:hover { color: #fff; }

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.form-input {
    width: 100%;
    height: 42px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.form-select {
    width: 100%;
    height: 42px;
    background-color: #0d1127;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2300f0ff' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.92rem;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-select:hover {
    border-color: var(--neon-cyan);
    background-color: #111633;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.form-select:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    background-color: #121838;
}

.form-select option {
    background-color: #0d1127;
    color: #fff;
    padding: 0.75rem;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn-primary {
    background: var(--neon-cyan);
    border: none;
    color: #000;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: #fff;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Stripe Link */
.stripe-link {
    color: var(--neon-cyan);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-family: monospace;
}

.stripe-link:hover {
    text-decoration: underline;
}