/* modern.css - Modern UI/UX Foundation */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Light Mode - Dominant Blue */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --bg-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: #e2e8f0;
    
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;

    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.05);
    
    --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    /* Dark Mode - Dominant Blue Accents */
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --secondary-color: #94a3b8;
    --bg-color: #0f172a;
    --surface-color: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --border-color: #334155;

    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    transition: var(--transition);
    margin: 0;
    padding: 0;
}

/* Glassmorphism Classes */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
}

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

.modern-sidebar {
    width: 260px;
    background-color: var(--surface-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    z-index: 1000;
}

.sidebar-header {
    padding: 24px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 8px;
    transition: var(--transition);
    font-weight: 500;
}

.nav-item i {
    margin-right: 12px;
    font-size: 1.2rem;
}

.nav-item:hover, .nav-item.active {
    background-color: rgba(37, 99, 235, 0.08); /* Light primary */
    color: var(--primary-color);
    text-decoration: none;
}
.nav-item.active {
    font-weight: 600;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-navbar {
    height: 70px;
    background: var(--glass-bg);
    backdrop-filter: blur(4px);
    border-bottom: 1px solid rgba(0,0,0,0.04);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.content-wrapper {
    padding: 24px;
    flex: 1;
    overflow-y: auto;
}

/* Buttons & Inputs */
.btn-modern {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.btn-modern:hover {
    background-color: var(--primary-hover);
    color: white;
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.2);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}
.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.form-control-modern {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 12px 16px;
    width: 100%;
    transition: var(--transition);
}

.form-control-modern:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Cards & Tables */
.modern-card {
    background-color: var(--surface-color);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(0,0,0,0.04);
    margin-bottom: 24px;
    transition: var(--transition);
}
.modern-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.modern-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
}

.modern-table th {
    text-align: left;
    padding: 12px 16px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
}

.modern-table td {
    padding: 16px;
    background-color: var(--surface-color);
    color: var(--text-primary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.modern-table td:first-child {
    border-left: 1px solid var(--border-color);
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
}

.modern-table td:last-child {
    border-right: 1px solid var(--border-color);
    border-top-right-radius: 8px;
    border-bottom-right-radius: 8px;
}

/* Badges */
.modern-badge {
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-success { background-color: rgba(16, 185, 129, 0.1); color: var(--success-color); }
.badge-warning { background-color: rgba(245, 158, 11, 0.1); color: var(--warning-color); }
.badge-danger { background-color: rgba(239, 68, 68, 0.1); color: var(--danger-color); }
.badge-primary { background-color: rgba(37, 99, 235, 0.1); color: var(--primary-color); }

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}
.theme-toggle:hover {
    color: var(--primary-color);
}

/* Helper utilities */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.bg-surface { background-color: var(--surface-color) !important; }
.text-muted { color: var(--text-secondary) !important; }

/* Responsive */
@media (max-width: 768px) {
    .modern-sidebar {
        position: fixed;
        left: -260px;
        height: 100vh;
    }
    .modern-sidebar.show {
        left: 0;
    }
}

/* DataTables Modern Adjustments */
.dataTables_wrapper {
    color: var(--text-primary);
    padding: 10px 0;
}
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 4px 8px;
    outline: none;
}
.dataTables_wrapper .dataTables_filter input:focus,
.dataTables_wrapper .dataTables_length select:focus {
    border-color: var(--primary-color);
}
.dataTables_wrapper .dataTables_paginate .paginate_button {
    color: var(--text-primary) !important;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    margin-left: 5px;
    padding: 5px 10px;
    background: var(--surface-color);
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--primary-color) !important;
    color: white !important;
    border-color: var(--primary-color);
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--primary-color) !important;
    color: white !important;
    border-color: var(--primary-color);
}
.dataTables_wrapper .dataTables_info {
    color: var(--text-secondary);
}