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

:root {
    /* Color Palette - Modern Indigo/Slate Theme */
    --primary-color: #4f46e5;
    /* Indigo 600 */
    --primary-hover: #4338ca;
    /* Indigo 700 */
    --secondary-color: #10b981;
    /* Emerald 500 */
    --accent-color: #8b5cf6;
    /* Violet 500 */

    --bg-body: #f3f4f6;
    /* Gray 100 */
    --bg-surface: #ffffff;

    --text-main: #111827;
    /* Gray 900 */
    --text-secondary: #4b5563;
    /* Gray 600 */
    --text-muted: #9ca3af;
    /* Gray 400 */

    --border-color: #e5e7eb;
    /* Gray 200 */

    --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);

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    --transition-base: all 0.2s ease-in-out;
}

/* Global Reset & Typography */
html,
body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: -0.025em;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover {
    color: var(--primary-hover);
}

/* Navbar Styling */
.navbar {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    position: relative;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

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

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

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    animation: fadeIn 0.2s ease-out;
    z-index: 1050;
}

.dropdown-item {
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-base);
    overflow: hidden;
}

.dropdown-item:hover {
    background-color: var(--bg-body);
    color: var(--primary-color);
}

/* Card Styling */
.card {
    border: none;
    background-color: var(--bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.card-body {
    padding: 1.5rem;
}

/* Buttons */
.btn {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.3);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-body);
    color: var(--text-main);
    border-color: var(--text-secondary);
}

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

.table thead th {
    background-color: var(--bg-body);
    color: var(--text-secondary);
    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-secondary);
    border-bottom: 1px solid var(--border-color);
}

.table-hover tbody tr:hover {
    background-color: rgba(243, 244, 246, 0.5);
}

/* Forms */
.form-control,
.form-select {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    padding: 0.625rem 0.875rem;
    transition: var(--transition-base);
}

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

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

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

.badge {
    padding: 0.35em 0.65em;
    font-weight: 600;
    border-radius: 9999px;
    letter-spacing: 0.025em;
}

.bg-success {
    background-color: #10b981 !important;
}

.bg-danger {
    background-color: #ef4444 !important;
}

.bg-warning {
    background-color: #f59e0b !important;
    color: white !important;
}

.bg-info {
    background-color: #3b82f6 !important;
}

/* Footer */
.footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    margin-top: auto;
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Utilities */
.shadow-hover:hover {
    box-shadow: var(--shadow-lg) !important;
    transform: translateY(-2px);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}