/* Base theme colors - can be customized */

/* Base Styles */
:root {
    --primary-color: #1b48ba;
    --secondary-color: #38bdf8;
    --danger-color: #ef4444;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --text-color: #111827;
    --bg-color: #ffffff;
}

/* General Styles */
body {
    font-family: 'Instrument Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--bg-color);
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Cards */
.card {
    background: #fff;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.375rem;
    transition: border-color 0.15s ease-in-out;
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-weight: 500;
    text-align: center;
    border-radius: 0.375rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease-in-out;
}

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

.btn-primary:hover {
    background-color: #1e40af;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: #ffffff;
}

/* Tables */
.table {
    width: 100%;
    margin-bottom: 1rem;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem;
    border-bottom: 1px solid #e5e7eb;
}

.table th {
    text-align: left;
    font-weight: 600;
}

/* Alerts */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 0.375rem;
}

.alert-success {
    background-color: #ecfdf5;
    color: #064e3b;
    border: 1px solid #059669;
}

.alert-danger {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #dc2626;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    padding: 1rem 0;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
}

.nav-link:hover {
    color: var(--primary-color);
}

/* Utilities */
.text-center { text-align: center; }
.font-bold { font-weight: bold; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --text-color: #f3f4f6;
        --bg-color: #111827;
    }

    .card {
        background: #1f2937;
    }

    .table td,
    .table th {
        border-color: #374151;
    }

    .form-control {
        background: #374151;
        border-color: #4b5563;
        color: var(--text-color);
    }
}