:root {
    --cosecsa-navy: #0b3d63;
    --cosecsa-navy-dark: #082c48;
    --cosecsa-gold: #d99a2b;
    --bg: #f4f7fa;
    --card-bg: #ffffff;
    --text: #1f2937;
    --text-muted: #6b7280;
    --border: #e2e8f0;
    --success: #1b8a5a;
    --danger: #c0392b;
    --info: #2563eb;
    --radius: 10px;
    --shadow: 0 2px 10px rgba(15, 40, 70, 0.08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: 'Segoe UI', Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.55; }
a { color: var(--cosecsa-navy); }
.site-header { background: #fff; border-bottom: 3px solid var(--cosecsa-gold); box-shadow: var(--shadow); }
.site-header .inner { max-width: 1100px; margin: 0 auto; padding: 14px 20px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.site-header .logo-wrap img { height: 56px; display: block; }
.site-header nav a { margin-left: 18px; text-decoration: none; color: var(--cosecsa-navy); font-weight: 600; font-size: 14px; }
.site-header nav a:hover { color: var(--cosecsa-gold); }
.site-footer { background: var(--cosecsa-navy-dark); color: #dce8f2; margin-top: 60px; padding: 26px 20px; text-align: center; font-size: 14px; }
.site-footer a { color: var(--cosecsa-gold); }
.container { max-width: 1100px; margin: 0 auto; padding: 30px 20px; }
.container.narrow { max-width: 760px; }
.page-title { font-size: 26px; color: var(--cosecsa-navy); margin-bottom: 6px; }
.page-subtitle { color: var(--text-muted); margin-top: 0; margin-bottom: 26px; }
.card { background: var(--card-bg); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; margin-bottom: 22px; }
.scholarship-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.scholarship-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; border-top: 4px solid var(--cosecsa-gold); display: flex; flex-direction: column; }
.scholarship-card h3 { margin-top: 0; color: var(--cosecsa-navy); font-size: 18px; }
.scholarship-card .category { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); }
.scholarship-card .desc { color: var(--text-muted); font-size: 14px; flex-grow: 1; }
.scholarship-card .window { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; }
.btn { display: inline-block; background: var(--cosecsa-navy); color: #fff; padding: 10px 20px; border-radius: 6px; border: none; cursor: pointer; font-weight: 600; font-size: 14px; text-decoration: none; text-align: center; }
.btn:hover { background: var(--cosecsa-navy-dark); color: #fff; }
.btn.btn-gold { background: var(--cosecsa-gold); color: #1f2937; }
.btn.btn-gold:hover { background: #c1861e; }
.btn.btn-secondary { background: #6b7280; }
.btn.btn-danger { background: var(--danger); }
.btn.btn-success { background: var(--success); }
.btn.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
form .form-field { margin-bottom: 18px; }
form label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 14px; }
form label .req { color: var(--danger); }
form .help-text { font-size: 12.5px; color: var(--text-muted); margin: 2px 0 6px; }
form input[type=text], form input[type=email], form input[type=tel], form input[type=number],
form input[type=date], form input[type=password], form textarea, form select, form input[type=file] {
    width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; font-family: inherit; background: #fff;
}
form input:focus, form select:focus, form textarea:focus { outline: none; border-color: var(--cosecsa-navy); box-shadow: 0 0 0 3px rgba(11,61,99,0.12); }
.radio-group { display: flex; gap: 20px; }
.radio-inline { font-weight: 400 !important; display: flex; align-items: center; gap: 6px; }
.form-section-title { font-size: 17px; color: var(--cosecsa-navy); border-bottom: 2px solid var(--border); padding-bottom: 8px; margin: 30px 0 18px; }
.form-section-title:first-child { margin-top: 0; }
.alert { padding: 14px 18px; border-radius: 8px; margin-bottom: 20px; font-size: 14px; }
.alert-success { background: #e7f7ef; color: var(--success); border: 1px solid #b8e6cd; }
.alert-danger { background: #fdecea; color: var(--danger); border: 1px solid #f5c6c0; }
.alert-info { background: #eaf1fb; color: var(--info); border: 1px solid #c7dbf6; }
.badge { display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-info { background: #eaf1fb; color: var(--info); }
.badge-success { background: #e7f7ef; color: var(--success); }
.badge-danger { background: #fdecea; color: var(--danger); }
.badge-award { background: #fbf1de; color: #9a6b0c; }
.badge-secondary { background: #eef0f2; color: #4b5563; }
.reference-box { background: var(--cosecsa-navy); color: #fff; padding: 22px; border-radius: var(--radius); text-align: center; margin: 20px 0; }
.reference-box .ref-no { font-size: 26px; font-weight: 700; letter-spacing: 1px; color: var(--cosecsa-gold); }
table.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data-table th, table.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
table.data-table th { background: #f1f5f9; color: var(--cosecsa-navy); font-weight: 700; }
table.data-table tr:hover td { background: #fafcff; }
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar { width: 230px; background: var(--cosecsa-navy-dark); color: #dce8f2; padding: 18px 0; flex-shrink: 0; }
.admin-sidebar .brand { padding: 0 20px 18px; font-weight: 700; font-size: 16px; border-bottom: 1px solid rgba(255,255,255,.1); margin-bottom: 10px;}
.admin-sidebar a { display: block; padding: 10px 20px; color: #cfe0ee; text-decoration: none; font-size: 14px; }
.admin-sidebar a:hover, .admin-sidebar a.active { background: rgba(255,255,255,.08); color: #fff; }
.admin-main { flex-grow: 1; padding: 26px 30px; max-width: 1300px; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.admin-topbar .who { font-size: 14px; color: var(--text-muted); }
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.stat-card .num { font-size: 28px; font-weight: 700; color: var(--cosecsa-navy); }
.stat-card .lbl { font-size: 13px; color: var(--text-muted); }
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar .spacer { flex-grow: 1; }
.field-row { display: flex; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); }
.field-row .drag-handle { cursor: grab; color: var(--text-muted); }
.field-row .grow { flex-grow: 1; }
.tag { display: inline-block; background: #eef2ff; color: #4338ca; padding: 2px 8px; border-radius: 4px; font-size: 11px; margin-left: 6px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
@media (max-width: 1100px) { .three-col { grid-template-columns: 1fr 1fr; } }
@media (max-width: 800px) { .two-col, .three-col { grid-template-columns: 1fr; } .admin-shell { flex-direction: column; } .admin-sidebar { width: 100%; } }
.modal-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 100; align-items: center; justify-content: center; }
.modal-backdrop.open { display: flex; }
.modal-box { background: #fff; border-radius: var(--radius); padding: 24px; width: 92%; max-width: 520px; max-height: 88vh; overflow-y: auto; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--cosecsa-navy); }
.login-card { background: #fff; padding: 36px; border-radius: var(--radius); width: 92%; max-width: 380px; text-align: center; }
.login-card img { height: 60px; margin-bottom: 16px; }