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

:root {
    /* Brand Colors */
    --brand-primary: #0e3c46;
    /* Deep Teal - Navbar / Primary Actions */
    --brand-accent: #145c6b;
    /* Lighter Teal - Hover / Accents */
    --brand-surface: #ffffff;
    /* Pure White */
    --brand-bg: #f8fafc;
    /* Slate-50 - Main Background */

    /* Text Colors */
    --text-primary: #1e293b;
    /* Slate-900 */
    --text-secondary: #64748b;
    /* Slate-500 */
    --text-light: #94a3b8;
    /* Slate-400 */

    /* Borders & Shadows */
    --border-color: #e2e8f0;
    /* Slate-200 */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    /* Bootstrap Overrides (Mental Model) */
    --bs-body-font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --bs-body-bg: var(--brand-bg);
    --bs-body-color: var(--text-primary);
    --bs-primary: var(--brand-primary);
    --bs-link-color: var(--brand-accent);
    --bs-link-hover-color: #09282f;
}

body {
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
    background-color: var(--brand-primary) !important;
    box-shadow: var(--shadow-md);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand {
    font-weight: 600;
    letter-spacing: -0.01em;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8) !important;
    transition: color 0.15s ease-in-out;
    padding: 0.5rem 1rem !important;
    border-radius: 6px;
}

.nav-link:hover,
.nav-link.active {
    color: #fff !important;
    background-color: rgba(255, 255, 255, 0.1);
}

/* Cards */
.card {
    border: 1px solid var(--border-color);
    background: var(--brand-surface);
    box-shadow: var(--shadow-sm);
    border-radius: 12px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    margin-bottom: 1.5rem;
}

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

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

.card-body {
    padding: 1.5rem;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.text-muted {
    color: var(--text-secondary) !important;
}

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

.table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom-width: 1px;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.table td {
    vertical-align: middle;
    padding: 0.875rem 0.5rem;
    color: var(--text-primary);
    border-bottom-color: var(--border-color);
}

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

/* Badges */
.badge {
    padding: 0.5em 0.75em;
    font-weight: 600;
    border-radius: 6px;
    letter-spacing: 0.02em;
}

/* Forms */
.form-control,
.form-select {
    border-radius: 8px;
    border-color: var(--border-color);
    padding: 0.625rem 0.875rem;
    font-size: 0.95rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--brand-accent);
    box-shadow: 0 0 0 3px rgba(14, 60, 70, 0.1);
}

.btn {
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    transition: all 0.15s ease;
}

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

.btn-primary:hover {
    background-color: var(--brand-accent);
    border-color: var(--brand-accent);
    transform: translateY(-1px);
}

.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-outline-secondary:hover {
    background-color: #f1f5f9;
    color: var(--text-primary);
    border-color: #cbd5e1;
}

/* Layout Utilities */
.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}