/* Font Awesome 6 Free CDN */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');

:root {
    --primary: #2a6ce6;
    --primary-dark: #1a52b4;
    --primary-light: #e8f0fe;
    --success: #16a34a;
    --warning: #f59e0b;
    --danger: #dc2626;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --bg-page: #f8fafc;
    --bg-surface: #ffffff;
    --radius: 8px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-family);
    background: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
.row { display: flex; flex-wrap: wrap; margin: 0 -0.75rem; }
.col { flex: 1; padding: 0 0.75rem; }
.col-6 { flex: 0 0 50%; padding: 0 0.75rem; }
.col-4 { flex: 0 0 33.333%; padding: 0 0.75rem; }
.col-3 { flex: 0 0 25%; padding: 0 0.75rem; }

h1, h2, h3, h4, h5, h6 { font-weight: 600; color: var(--text-primary); }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

.card {
    background: var(--bg-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.card-header { font-weight: 600; margin-bottom: 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border); }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.375rem;
    padding: 0.625rem 1.25rem; border-radius: 6px; font-size: 0.9375rem;
    font-weight: 500; cursor: pointer; border: 1px solid transparent;
    transition: all 0.2s; line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text-primary); }
.btn-outline:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { padding: 0.375rem 0.875rem; font-size: 0.8125rem; }
.btn-lg { padding: 0.75rem 1.75rem; font-size: 1.125rem; }

.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; margin-bottom: 0.375rem; font-weight: 500; color: var(--text-secondary); }
.form-input, .form-select, .form-textarea {
    width: 100%; padding: 0.625rem 0.875rem; border: 1px solid var(--border);
    border-radius: 6px; font-size: 0.9375rem; font-family: inherit;
    background: #fff; transition: border-color 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(42,108,230,0.1);
}
.form-textarea { resize: vertical; min-height: 100px; }

.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
th, td { text-align: left; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); }
th { font-weight: 600; color: var(--text-muted); background: #f9fafb; }
tr:hover td { background: #f8fafc; }

.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-sm { font-size: 0.875rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 1rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.p-0 { padding: 0; }

@media (max-width: 768px) {
    .container { padding: 0 1rem; }
    .col-6, .col-4, .col-3 { flex: 0 0 100%; }
    h1 { font-size: 1.6rem; }
    .card { padding: 1.25rem; }
}