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

:root {
    /* Color Palette */
    --primary: #4F46E5; /* Indigo 600 */
    --primary-dark: #4338CA; /* Indigo 700 */
    --secondary: #06B6D4; /* Cyan 500 */
    --accent: #F472B6; /* Pink 400 */
    
    --bg-body: #F3F4F6; /* Cool Gray 100 */
    --bg-surface: #FFFFFF;
    
    --text-main: #111827; /* Gray 900 */
    --text-muted: #6B7280; /* Gray 500 */
    --text-light: #9CA3AF; /* Gray 400 */
    
    --border-color: #E5E7EB; /* Gray 200 */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    --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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

html, body {
    height: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-body);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-main);
}

a {
    text-decoration: none;
    transition: color 0.2s;
}

/* Layout Helpers */
.container {
    max-width: 1200px;
}

main {
    flex: 1 0 auto;
}

/* --- Components --- */

/* Cards */
.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    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;
    font-family: var(--font-heading);
}

.card-body {
    padding: 1.5rem;
}

/* Buttons */
.btn {
    font-family: var(--font-heading);
    font-weight: 500;
    padding: 0.6rem 1.25rem;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-dark));
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
    transform: translateY(-1px);
}

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

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

/* Navbar */
.navbar-custom {
    background-color: var(--bg-surface); /* Solid modern white navbar */
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text-muted) !important;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius-sm);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary) !important;
    background-color: rgba(79, 70, 229, 0.05); /* Subtle primary tint */
}

/* Forms */
.form-control, .form-select {
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    border-color: var(--primary);
}

.form-label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

/* Tables */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: var(--bg-surface);
    box-shadow: var(--shadow-sm);
    margin-bottom: 0; /* Remove default margin */
}

.table thead th {
    background-color: #F9FAFB;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
}

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

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

/* Footer */
.footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: auto;
}

/* Utilities */
.text-primary { color: var(--primary) !important; }
.bg-primary { background-color: var(--primary) !important; }

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94A3B8;
}