/* Premium Glassmorphic & Modern Dark Theme CSS for VCAM Admin Panel */
:root {
    --bg-main: #0B0F19;
    --bg-card: #141A2E;
    --border-color: #242E4C;
    --text-primary: #F1F5F9;
    --text-muted: #94A3B8;
    --primary-gradient: linear-gradient(135deg, #00D2FF 0%, #0066FF 100%);
    --accent-color: #00D2FF;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header & Nav */
header {
    background: rgba(20, 26, 46, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.brand {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.logout-btn {
    border: 1px solid var(--danger);
    color: var(--danger) !important;
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.1) !important;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    flex: 1;
    width: 100%;
}

/* Dashboard Statistics Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
}

.stat-card.locked::after { background: var(--danger); }
.stat-card.bound::after { background: var(--warning); }
.stat-card.success::after { background: var(--success); }

.stat-title {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.stat-val {
    font-size: 2rem;
    font-weight: 700;
}

/* Tables */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

th {
    background: rgba(255, 255, 255, 0.02);
    padding: 1rem 1.5rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(36, 46, 76, 0.5);
    font-size: 0.95rem;
    vertical-align: middle;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.01);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-locked {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-bound {
    background: rgba(0, 210, 255, 0.1);
    color: var(--accent-color);
    border: 1px solid rgba(0, 210, 255, 0.2);
}

.badge-unbound {
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-muted);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.badge-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Form Styles & Controls */
.form-inline {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.input-control {
    background: rgba(11, 15, 25, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    outline: none;
    transition: all 0.3s ease;
}

.input-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(0, 210, 255, 0.2);
}

.btn {
    background: var(--primary-gradient);
    border: none;
    color: white;
    padding: 0.6rem 1.2rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: none;
}

.btn-danger {
    background: var(--danger);
}

.btn-danger:hover {
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

/* Toast Alerts */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Login Page Styling */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    padding: 2rem;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 420px;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    position: relative;
    overflow: hidden;
}

.login-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-gradient);
}

.login-title {
    font-size: 1.75rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.form-group label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.login-btn {
    width: 100%;
    justify-content: center;
    padding: 0.8rem;
    margin-top: 1rem;
    font-size: 1rem;
}

/* Modal styling */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

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

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.close-btn {
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
}

.close-btn:hover {
    color: var(--text-primary);
}

footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    background: rgba(11, 15, 25, 0.8);
}

/* Basic Responsive Layouts for Mobile */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    .nav-links {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    .nav-links a {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }
    .container {
        padding: 0 1rem;
        margin: 1rem auto;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .search-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .search-bar form {
        flex-direction: column;
    }
    .table-container {
        overflow-x: auto;
    }
    table {
        min-width: 600px;
    }
}