:root {
    --bg-color: #0f172a;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.3);
    --card-bg: rgba(15, 23, 42, 0.5);
    --danger: #ef4444;
}

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

body.dark-theme {
    background: radial-gradient(circle at top right, #1e293b, #0f172a);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    width: 100%;
    max-width: 1200px;
    padding: 3rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 4rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.accent {
    color: var(--accent-color);
    text-shadow: 0 0 20px var(--accent-glow);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background: var(--card-bg);
    padding: 1.5rem 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.btn-primary {
    background: var(--accent-color);
    color: #000;
    padding: 0.75rem 1.5rem;
    border-radius: 1rem;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px var(--accent-glow);
    filter: brightness(1.1);
}

.table-container {
    background: var(--card-bg);
    border-radius: 1.5rem;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.25rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
}

td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    font-size: 1rem;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.03);
}

.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-style: italic;
}

.code {
    font-family: monospace;
    color: var(--accent-color);
    background: rgba(56, 189, 248, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 0.4rem;
}

footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Admin Badge & Profile */
.admin-badge {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.btn-text {
    background: none;
    border: none;
    color: var(--danger);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    text-transform: uppercase;
    padding: 2px 5px;
}

.btn-text:hover {
    text-decoration: underline;
}

/* Auth Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: all 0.5s ease;
}

.glass-login-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 4rem;
    border-radius: 2rem;
    text-align: center;
    box-shadow: 0 40px 100px rgba(0,0,0,0.5);
    max-width: 400px;
    width: 90%;
}

.glass-login-card p {
    margin: 1.5rem 0 3rem;
    color: var(--text-secondary);
}

.login-btn {
    width: 100%;
    font-size: 1rem;
    padding: 1rem;
}

@media (max-width: 768px) {
    .glass-container {
        padding: 1.5rem;
        border-radius: 1rem;
    }
    header {
        flex-direction: column;
        gap: 2rem;
    }
}