@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-bg: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.9);
    --border-color: rgba(0, 0, 0, 0.08);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #e0e7ff 0%, #f1f5f9 100%);
    color: var(--text-primary);
    min-height: 100vh;
    background-attachment: fixed;
}

/* Navbar customization */
.navbar.bg-dark {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}
.navbar-brand {
    font-weight: 700;
    letter-spacing: 0.5px;
    background: linear-gradient(to right, #2563eb, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav-pills .nav-link {
    color: var(--text-secondary) !important;
    border-radius: 8px;
    transition: all 0.3s ease;
    margin: 0 4px;
    font-weight: 500;
}
.nav-pills .nav-link:hover {
    color: var(--text-primary) !important;
    background: rgba(0, 0, 0, 0.05);
}
.nav-pills .nav-link.active {
    background: var(--accent-color) !important;
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Glassmorphism Cards */
.card {
    background: var(--card-bg) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}
.card-header {
    background: rgba(0, 0, 0, 0.02) !important;
    border-bottom: 1px solid var(--border-color);
    border-radius: 16px 16px 0 0 !important;
    padding: 1rem 1.5rem;
    font-weight: 600;
    color: var(--text-primary) !important;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
    padding: 0.5rem 1.25rem;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), #4f46e5);
    border: none;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    color: #fff;
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover), #4338ca);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
    color: #fff;
}
.btn-success {
    background: linear-gradient(135deg, var(--success-color), #059669);
    border: none;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    color: #fff;
}
.btn-success:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-1px);
    color: #fff;
}

/* Tables */
.table {
    color: var(--text-primary);
}
.table-hover tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.02) !important;
    color: var(--text-primary);
}
.table-striped>tbody>tr:nth-of-type(odd)>* {
    background-color: rgba(0, 0, 0, 0.01);
    color: var(--text-primary);
}
.table-light {
    background-color: rgba(0, 0, 0, 0.02) !important;
    color: var(--text-primary) !important;
}
.table td, .table th {
    border-color: var(--border-color);
    padding: 1rem;
    vertical-align: middle;
}

/* Forms & Inputs */
.form-control, .form-select {
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 0.6rem 1rem;
    transition: all 0.3s ease;
}
.form-control:focus, .form-select:focus {
    background-color: #fff;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    color: var(--text-primary);
}
.form-control::placeholder {
    color: var(--text-secondary);
}

/* Typography / Utils */
.text-muted {
    color: var(--text-secondary) !important;
}
.text-white {
    color: var(--text-secondary) !important;
}
.badge {
    padding: 0.4em 0.8em;
    border-radius: 6px;
    font-weight: 500;
}
.progress {
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    overflow: hidden;
}

/* Modal */
.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
.modal-header {
    border-bottom: 1px solid var(--border-color);
    background: rgba(0,0,0,0.02) !important;
    color: var(--text-primary) !important;
}
.modal-footer {
    border-top: 1px solid var(--border-color);
}
#previewBody {
    background: #ffffff !important;
    color: #000000 !important;
}