/* assets/css/styles.css */
:root {
    --primary: #d32f2f; /* CETESA Red */
    --primary-light: #ff6659;
    --primary-dark: #9a0007;
    --secondary: #1e293b;
    --secondary-light: #334155;
    --accent: #0ea5e9;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --background: #f1f5f9;
    --surface: #ffffff;
    --surface-glass: rgba(255, 255, 255, 0.8);
    --text: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base & Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Layout */
.dashboard-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    background: linear-gradient(180deg, var(--secondary) 0%, #0f172a 100%);
    color: white;
    padding: 1.5rem 1.25rem;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 3.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #94a3b8;
    text-decoration: none;
    padding: 0.65rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-weight: 500;
}

.nav-link i {
    width: 20px;
    height: 20px;
    opacity: 0.7;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    transform: translateX(4px);
}

.nav-link.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.4);
}

.nav-link.active i {
    opacity: 1;
}

/* Main Content */
.main-content {
    padding: 2.5rem;
    background: radial-gradient(circle at top right, #f8fafc, #f1f5f9);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    animation: fadeInDown 0.5s ease-out;
}

.page-header h2 {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -0.5px;
}

/* Cards & Containers */
.card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out;
}

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

.card-glass {
    background: var(--surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-sm);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

th {
    text-align: left;
    padding: 1.25rem 1rem;
    background: #f8fafc;
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border);
}

td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9375rem;
    color: var(--text);
    transition: var(--transition);
}

tr:hover td {
    background-color: #f8fafc;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9375rem;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(211, 47, 47, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px -3px rgba(211, 47, 47, 0.3);
}

.btn-secondary {
    background: #e2e8f0;
    color: #475569;
}

.btn-secondary:hover {
    background: #cbd5e1;
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: #f1f5f9;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-icon:hover {
    background: #e2e8f0;
    color: var(--primary);
    transform: scale(1.1);
}

/* Badges */
.badge {
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-secondary { background: #f1f5f9; color: #475569; }

/* Forms */
.form-control {
    width: 100%;
    padding: 0.875rem 1.125rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: var(--transition);
    background-color: #f8fafc;
}

.form-control:focus {
    outline: none;
    background-color: white;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(211, 47, 47, 0.1);
}

/* Utility */
.text-danger { color: var(--danger); }
.max-width-600 { max-width: 600px; margin: 0 auto; }

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Stats Widgets */
.stats-card {
    background: linear-gradient(135deg, white 0%, #f8fafc 100%);
    border-left: 5px solid var(--primary);
}

.stats-value {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--secondary);
    margin: 0.5rem 0;
}

/* Meeting Mode Specifics */
.meeting-row {
    cursor: pointer;
    transition: var(--transition);
}

.meeting-row:hover {
    background-color: #f0f9ff;
    border-left: 4px solid var(--accent);
}

.meeting-header-compact {
    padding: 1rem;
    background: var(--secondary);
    color: white;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}

/* ===== Modal Overlay ===== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    animation: fadeIn 0.2s ease;
}

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

.modal-overlay > .card {
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.25s ease;
    margin-bottom: 0;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Close modal on overlay click */
.modal-overlay:not(.no-close) > .card {
    pointer-events: auto;
}

/* ===== Badge primary ===== */
.badge-primary { background: rgba(211, 47, 47, 0.12); color: var(--primary); }

/* ===== Btn danger ===== */
.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px -3px rgba(239, 68, 68, 0.3);
}

/* ===== Auth / Login ===== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary) 0%, #0f172a 60%, var(--primary-dark) 100%);
    padding: 1.5rem;
}

.auth-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 3rem 2.5rem;
    width: 100%;
    max-width: 420px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-logo h1 {
    font-size: 1.625rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -0.5px;
    margin-bottom: 0.375rem;
}

.auth-logo::before {
    content: '';
    display: block;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 14px;
    margin: 0 auto 1.25rem;
    box-shadow: 0 8px 20px -4px rgba(211, 47, 47, 0.45);
}

.auth-card .btn-primary {
    width: 100%;
    padding: 0.875rem;
    font-size: 1rem;
}