:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --background-bg: #f3f4f6;
    --card-bg: #ffffff;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --sidebar-width: 260px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Outfit', sans-serif;
}

body {
    background-color: var(--background-bg);
    font-family: var(--font-body);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
.navbar-brand {
    font-family: var(--font-heading);
    color: var(--text-main);
}

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

.nav-link {
    color: var(--text-muted) !important;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border: none;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-bottom: 24px;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid #f1f5f9;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-main);
}

.card-body {
    padding: 1.5rem;
}

/* Login Card Spec */
.card-login {
    max-width: 420px;
    margin: 80px auto;
    border-radius: 20px;
    padding: 2rem;
}

/* Buttons */
.btn {
    border-radius: 10px;
    padding: 0.5rem 1.25rem;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.2);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 8px -1px rgba(79, 70, 229, 0.3);
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: #fff;
}

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

/* Tables */
.table {
    margin-bottom: 0;
}

.table thead th {
    background-color: #f8fafc;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid #e2e8f0;
    padding: 1rem;
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    color: #4b5563;
    border-bottom: 1px solid #f1f5f9;
}

.table-hover tbody tr:hover {
    background-color: #f8fafc;
}

/* Bagdes & Utilities */
.badge {
    padding: 0.5em 0.8em;
    font-weight: 500;
    border-radius: 6px;
}

.avatar-circle {
    transition: transform 0.2s;
}

.avatar-circle:hover {
    transform: scale(1.05);
}

/* AI Analysis Colors */
.ai-score-high {
    color: var(--success-color);
}

.ai-score-medium {
    color: var(--warning-color);
}

.ai-score-low {
    color: var(--danger-color);
}

/* Inputs */
.form-control,
.form-select {
    border-radius: 10px;
    border: 1px solid #e5e7eb;
    padding: 0.625rem 0.875rem;
    font-size: 0.95rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

/* Modals */
.modal-content {
    border-radius: 20px;
    border: none;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal-header {
    border-bottom: 1px solid #f1f5f9;
    padding: 1.5rem;
}

.modal-body,
.modal-footer {
    padding: 1.5rem;
}