/* Modern CSS System for ACN Web Admin Panel */
:root {
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Color Tokens - Dark Mode Default */
    --bg-dark: #0f172a;
    --bg-sidebar: #1e293b;
    --bg-card: rgba(30, 41, 59, 0.7);
    --bg-input: #334155;
    --border-color: rgba(255, 255, 255, 0.1);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;

    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --accent: #6366f1;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;

    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Overrides */
body.light-theme {
    --bg-dark: #f8fafc;
    --bg-sidebar: #0f172a;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-input: #e2e8f0;
    --border-color: rgba(0, 0, 0, 0.08);
    --text-main: #0f172a;
    --text-muted: #64748b;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.5;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

/* App Container Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.brand-logo {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.brand-text h2 {
    font-size: 18px;
    font-weight: 800;
    color: #fff;
}

.brand-text h2 span {
    color: var(--primary);
}

.brand-text p {
    font-size: 11px;
    color: var(--text-muted);
}

/* Nav Menu */
.nav-menu {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link i {
    font-size: 16px;
    width: 20px;
}

.nav-link:hover, .nav-link.active {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--primary);

}

.nav-link.active {
    font-weight: 600;
    border-left: 3px solid var(--primary);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.user-info .user-name {
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    display: block;
}

.user-info .user-role {
    font-size: 10px;
    color: var(--text-muted);
    display: block;
}

.btn-theme-toggle {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-theme-toggle:hover {
    color: var(--primary);
}

/* Main Content Area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-dark);
}

/* Topbar */
.topbar {
    height: 70px;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 90;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-left h1 {
    font-size: 20px;
    font-weight: 700;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.btn-icon:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-icon .badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background-color: var(--danger);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.database-status-badge {
    font-size: 12px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(16, 185, 129, 0.3);
    font-weight: 600;
}

/* Content Body & Views */
.content-body {
    padding: 28px;
    flex: 1;
}

.view-section {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.view-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 22px;
    font-weight: 700;
}

/* Glass Panels & Cards */
.glass-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    backdrop-filter: blur(16px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-bottom: 24px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.stat-card.blue .stat-icon { background: rgba(59, 130, 246, 0.2); color: var(--primary); }
.stat-card.purple .stat-icon { background: rgba(99, 102, 241, 0.2); color: var(--accent); }
.stat-card.green .stat-icon { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.stat-card.orange .stat-icon { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.stat-card.red .stat-icon { background: rgba(239, 68, 68, 0.2); color: var(--danger); }
.stat-card.cyan .stat-icon { background: rgba(6, 182, 212, 0.2); color: var(--info); }

.stat-content h3 {
    font-size: 24px;
    font-weight: 800;
}

.stat-content p {
    font-size: 12px;
    color: var(--text-muted);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* Custom Table */
.table-container {
    overflow-x: auto;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 13px;
}

.custom-table th {
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.custom-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.custom-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Buttons */
.btn {
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    border: none;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

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

.btn-success { background-color: var(--success); color: #fff; }
.btn-danger { background-color: var(--danger); color: #fff; }
.btn-secondary { background-color: var(--bg-input); color: var(--text-main); }

.btn-sm {
    padding: 6px 10px;
    font-size: 11px;
}

/* Status Badges */
.badge-status {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 700;
    display: inline-block;
    text-transform: uppercase;
}

.badge-disponible { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.badge-en_turno { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.badge-activo { background: rgba(59, 130, 246, 0.2); color: var(--primary); }
.badge-finalizado { background: rgba(148, 163, 184, 0.2); color: var(--text-muted); }

/* Modal Dialog */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-backdrop.active {
    display: flex;
}

.modal-box {
    background: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 540px;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    overflow: hidden;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 { font-size: 18px; }

.btn-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
}

.modal-body {
    padding: 24px;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    color: var(--text-main);
    font-size: 13px;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

/* Sub-navigation tabs */
.tabs-subnav {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.subtab-btn {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--text-muted);
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 12px;
}

.subtab-btn.active {
    background: var(--primary);
    color: #fff;
}

.subtab-content { display: none; }
.subtab-content.active { display: block; }