/* Church Song Competition - Silver / White / Gold theme */
:root {
  --gold: #b8912f; --gold-light: #e8d48b; --gold-dark: #8a6a17;
  --silver: #c9ced6; --silver-light: #eef0f3; --silver-dark: #8b929d;
  --ink: #2b2f36; --sidebar-w: 270px; --sidebar-w-collapsed: 72px;
  --bs-primary: var(--gold); --bs-link-color: var(--gold-dark); --bs-link-hover-color: var(--gold);
}
body { background: var(--silver-light); color: var(--ink); font-size: .95rem; }
.text-gold { color: var(--gold) !important; } .text-silver { color: var(--silver-dark) !important; } .text-bronze { color: #a0662c !important; }
.btn-gold { background: linear-gradient(135deg, var(--gold-light), var(--gold)); border: 0; color: #2b2208; font-weight: 600; }
.btn-gold:hover { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: #fff; }
.btn-outline-gold { border: 1px solid var(--gold); color: var(--gold-dark); background: #fff; }
.btn-outline-gold:hover { background: var(--gold); color: #fff; }
.form-control:focus, .form-select:focus, .form-check-input:focus { border-color: var(--gold); box-shadow: 0 0 0 .2rem rgba(184,145,47,.2); }
.form-check-input:checked { background-color: var(--gold); border-color: var(--gold); }

/* layout */
.app-wrapper { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar-w); background: linear-gradient(180deg, #f7f8fa 0%, #dfe3e8 100%); border-right: 1px solid var(--silver);
  position: fixed; top: 0; bottom: 0; left: 0; overflow-y: auto; z-index: 1040; transition: width .2s, transform .2s; }
.sidebar .brand { display: flex; align-items: center; gap: .7rem; padding: 1rem 1.1rem; border-bottom: 3px solid var(--gold); background: #fff; position: sticky; top: 0; z-index: 2; }
.sidebar .brand .logo { width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; background: transparent; overflow: hidden; }
.sidebar .brand .logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
.sidebar .brand .name { font-weight: 700; line-height: 1.1; font-size: .95rem; }
.sidebar .brand small { color: var(--silver-dark); font-size: .72rem; }
.sidebar .nav-group > a.group-toggle { display: flex; align-items: center; gap: .75rem; padding: .62rem 1.1rem; color: #3b4048; text-decoration: none; font-weight: 600; font-size: .88rem; }
.sidebar .nav-group > a.group-toggle:hover { background: rgba(184,145,47,.12); }
.sidebar .nav-group > a.group-toggle .bi:first-child { font-size: 1.1rem; color: var(--gold-dark); width: 1.3rem; text-align: center; }
.sidebar .nav-group > a.group-toggle .chev { margin-left: auto; font-size: .7rem; transition: transform .2s; }
.sidebar .nav-group > a.group-toggle[aria-expanded="true"] .chev { transform: rotate(90deg); }
.sidebar .sub a { display: block; padding: .38rem 1.1rem .38rem 3.2rem; color: #4d535c; text-decoration: none; font-size: .84rem; border-left: 3px solid transparent; }
.sidebar .sub a:hover { background: rgba(255,255,255,.7); color: var(--gold-dark); }
.sidebar .sub a.active { background: #fff; color: var(--gold-dark); font-weight: 700; border-left-color: var(--gold); }
.main { margin-left: var(--sidebar-w); flex: 1; min-width: 0; transition: margin-left .2s; display: flex; flex-direction: column; }
.topbar { background: #fff; border-bottom: 2px solid var(--gold-light); height: 62px; display: flex; align-items: center; padding: 0 1.25rem; gap: 1rem; position: sticky; top: 0; z-index: 1030; }
.topbar .app-title { font-weight: 700; color: var(--gold-dark); letter-spacing: .3px; }
.content { padding: 1.5rem; flex: 1; }
.page-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: 1.1rem; }
.page-head h1 { font-size: 1.4rem; font-weight: 700; margin: 0; }
.breadcrumb { margin-bottom: .25rem; font-size: .82rem; }
.breadcrumb-item + .breadcrumb-item::before { color: var(--gold); }
body.sidebar-collapsed .sidebar { width: var(--sidebar-w-collapsed); }
body.sidebar-collapsed .main { margin-left: var(--sidebar-w-collapsed); }
body.sidebar-collapsed .sidebar .name, body.sidebar-collapsed .sidebar small, body.sidebar-collapsed .group-toggle span,
body.sidebar-collapsed .group-toggle .chev, body.sidebar-collapsed .sidebar .sub { display: none !important; }
body.sidebar-collapsed .sidebar .group-toggle { justify-content: center; padding: .8rem 0; }
.sidebar-backdrop { display: none; }
@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); width: var(--sidebar-w) !important; }
  .main, body.sidebar-collapsed .main { margin-left: 0; }
  body.sidebar-open .sidebar { transform: none; box-shadow: 0 0 40px rgba(0,0,0,.3); }
  body.sidebar-open .sidebar-backdrop { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 1035; }
  body.sidebar-collapsed .sidebar .name, body.sidebar-collapsed .sidebar small, body.sidebar-collapsed .group-toggle span,
  body.sidebar-collapsed .group-toggle .chev { display: inline !important; }
  body.sidebar-collapsed .sidebar .sub { display: block !important; }
  .content { padding: 1rem; }
}

/* cards */
.card { border: 1px solid var(--silver); border-radius: 12px; box-shadow: 0 1px 3px rgba(0,0,0,.04); }
.card-header { background: #fff; border-bottom: 1px solid var(--silver-light); font-weight: 600; border-radius: 12px 12px 0 0 !important; }
.stat-card { border-left: 4px solid var(--gold); transition: transform .15s, box-shadow .15s; }
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,.08); }
.stat-card .icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; font-size: 1.4rem; background: linear-gradient(135deg, #fff6d6, var(--gold-light)); color: var(--gold-dark); }
.stat-card .value { font-size: 1.7rem; font-weight: 700; line-height: 1; }
.stat-card .label { color: var(--silver-dark); font-size: .8rem; text-transform: uppercase; letter-spacing: .4px; }
.table thead th { background: #f7f4e8; border-bottom: 2px solid var(--gold-light); font-size: .8rem; text-transform: uppercase; letter-spacing: .3px; white-space: nowrap; }
.table thead th a { color: inherit; text-decoration: none; }
.table-hover tbody tr:hover { background: #fffbec; }
.empty-state { text-align: center; padding: 2.5rem 1rem; color: var(--silver-dark); }
.empty-state .bi { font-size: 2.4rem; color: var(--silver); display: block; margin-bottom: .5rem; }
.filter-bar { background: #fff; border: 1px solid var(--silver); border-radius: 12px; padding: .75rem; margin-bottom: 1rem; }
.required-star::after { content: " *"; color: #c0392b; }
.detail-list dt { color: var(--silver-dark); font-weight: 500; font-size: .82rem; text-transform: uppercase; }
.detail-list dd { margin-bottom: .8rem; }
.badge { font-weight: 600; }
.avatar { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, var(--gold-light), var(--gold)); color: #2b2208; display: grid; place-items: center; font-weight: 700; }
.notif-item.unread { background: #fffbec; }
.score-input { width: 90px; text-align: center; }
.loading-overlay { position: fixed; inset: 0; background: rgba(255,255,255,.65); z-index: 2000; display: none; place-items: center; }
.loading-overlay.show { display: grid; }
.spinner-gold { color: var(--gold); }

/* auth pages */
.auth-body { min-height: 100vh; background: linear-gradient(135deg, #f7f8fa 0%, #d9dde3 55%, #e8d48b 140%); display: grid; place-items: center; padding: 1rem; }
.auth-card { width: 100%; max-width: 440px; background: #fff; border-radius: 18px; box-shadow: 0 20px 50px rgba(0,0,0,.15); border-top: 5px solid var(--gold); overflow: hidden; }
.auth-card.wide { max-width: 640px; }
.auth-head { text-align: center; padding: 1.6rem 1.5rem .6rem; }
.auth-head .logo { width: 96px; height: 96px; margin: 0 auto .75rem; background: transparent; display: flex; align-items: center; justify-content: center; }
.auth-head .logo img { max-width: 100%; max-height: 100%; object-fit: contain; filter: drop-shadow(0 6px 16px rgba(0,0,0,.1)); }
.auth-brand-title { margin: 0.6rem 0 0.2rem; font-size: 1.85rem; font-weight: 900; letter-spacing: 2.5px; line-height: 1.15; text-transform: uppercase; display: flex; align-items: center; justify-content: center; gap: 0.5rem; }
.auth-brand-title .face { color: #7b187c; font-weight: 800; letter-spacing: 2px; text-shadow: 0 2px 10px rgba(123, 24, 124, 0.18); }
.auth-brand-title .logos { color: #e52521; font-weight: 900; letter-spacing: 3.5px; text-shadow: 0 2px 12px rgba(229, 37, 33, 0.28); }
.auth-body-inner { padding: 1rem 1.7rem 1.7rem; }

/* print: ID card, certificate, sheets */
.id-card { width: 340px; border: 2px solid var(--gold); border-radius: 14px; background: #fff; overflow: hidden; margin: 0 auto; }
.id-card .top { background: linear-gradient(135deg, var(--gold-light), var(--gold)); padding: .6rem; text-align: center; font-weight: 700; color: #2b2208; }
.id-card .photo { width: 110px; height: 130px; object-fit: cover; border: 2px solid var(--silver); border-radius: 8px; background: var(--silver-light); display: grid; place-items: center; color: var(--silver-dark); font-size: 3rem; }
.certificate { max-width: 960px; margin: 1rem auto; background: #fff; padding: 3rem; text-align: center; border: 14px double var(--gold); min-height: 640px; }
.certificate h1 { font-family: Georgia, serif; font-size: 2.8rem; color: var(--gold-dark); letter-spacing: 2px; }
.certificate .recipient { font-family: Georgia, serif; font-size: 2.4rem; border-bottom: 2px solid var(--gold); display: inline-block; padding: 0 2rem; margin: 1rem 0; }
@media print {
  .sidebar, .topbar, .no-print, .breadcrumb, .sidebar-backdrop, .alert { display: none !important; }
  .main { margin-left: 0 !important; } .content { padding: 0 !important; }
  body { background: #fff; } .card { border: 0; box-shadow: none; }
  .certificate { border-width: 14px; margin: 0; page-break-after: always; }
  .table thead th { background: #eee !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}