:root {
    --primary-color: #4f46e5;
    /* Indigo 600 */
    --primary-hover: #4338ca;
    /* Indigo 700 */
    --secondary-color: #64748b;
    /* Slate 500 */
    --bg-color: #f8fafc;
    /* Slate 50 */
    --card-bg: #ffffff;
    --text-primary: #0f172a;
    /* Slate 900 */
    --text-secondary: #475569;
    /* Slate 600 */
    --border-color: #e2e8f0;
    /* Slate 200 */
    --border-radius: 0.5rem;
    --btn-radius: 0.375rem;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    font-family: var(--font-family);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

/* Navbar Overrides */
.navbar {
    background-color: var(--card-bg) !important;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
}

.navbar-brand {
    font-weight: 800;
    color: var(--primary-color) !important;
    letter-spacing: -0.05em;
}

.nav-link {
    font-weight: 600;
    color: var(--text-secondary) !important;
    transition: all 0.2s ease;
    padding: 0.5rem 1rem !important;
    border-radius: var(--btn-radius);
}

.nav-link:hover {
    color: var(--primary-color) !important;
    background-color: #f1f5f9;
}

.nav-link.active {
    color: var(--primary-color) !important;
    background-color: #eef2ff;
}

/* Card Overrides */
.card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    background-color: var(--card-bg);
    margin-bottom: 1.5rem;
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: #f8fafc;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

.card-header h4,
.card-header h5 {
    margin-bottom: 0;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Auth Card Specifics */
.auth-card {
    max-width: 420px;
    margin: 4rem auto;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    background: white;
}

/* Button Overrides */
.btn {
    border-radius: var(--btn-radius);
    padding: 0.5rem 1.25rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 1px 2px 0 rgba(79, 70, 229, 0.05);
}

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

/* Form Controls */
.form-control,
.form-select {
    border-radius: var(--btn-radius);
    border-color: #d1d5db;
    padding: 0.625rem 0.75rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

.table th {
    background-color: #f8fafc;
    color: var(--text-secondary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
}

.table td {
    vertical-align: middle;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.table-hover tbody tr:hover {
    background-color: #f1f5f9;
}

/* Badges */
.badge {
    padding: 0.35em 0.65em;
    font-weight: 600;
    border-radius: 9999px;
    /* Pill shape */
}

.dashboard-container {
    margin-top: 2rem;
    padding-bottom: 4rem;
}

.x-small {
    font-size: 0.65rem;
}

.fw-normal {
    font-weight: 400 !important;
}

.opacity-low {
    opacity: 0.7;
}