:root{
    --blue-deep:#001a4d;
    --blue:#00338d;
    --blue-2:#0057b8;
    --gold:#ffc72c;
    --gold-dark:#e0a800;
    --gray:#e7ebee;
    --gray-dark:#7d8894;
    --green:#2e7d32;
    --green-bg:#d4edda;
    --red:#c62828;
    --red-bg:#f8d7da;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    min-height: 100vh;
    background: linear-gradient(180deg, var(--blue-deep) 0%, var(--blue) 45%, var(--blue-2) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 10px 40px;
    color: #222;
}

.page-header { text-align: center; margin-bottom: 16px; }
.logo-wrap { width: 78px; height: 78px; margin: 0 auto 6px; display:flex; align-items:center; justify-content:center; }
.contest-title { font-size: 1.15rem; font-weight: 800; color: #fff; letter-spacing: .5px; }
.sub-title { font-size: .78rem; color: var(--gold); font-weight: 600; margin-top: 2px; }

.card {
    background: #fff;
    border-radius: 16px;
    padding: 24px 26px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 8px 30px rgba(0,0,0,.25);
    margin-bottom: 18px;
}
.card-wide { max-width: 960px; }

.tabs { display: flex; margin-bottom: 20px; border-bottom: 2px solid #ddd; }
.tab-btn {
    flex: 1; padding: 10px; border: none; background: none;
    font-size: .95rem; font-weight: 600; color: #888; cursor: pointer;
    border-bottom: 3px solid transparent; margin-bottom: -2px;
}
.tab-btn.active { color: var(--blue-2); border-bottom-color: var(--blue-2); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; color: #555; margin-bottom: 5px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 11px 14px;
    border: 1.5px solid #cdd;
    border-radius: 10px;
    font-size: .95rem;
    background: #fff;
    font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--blue-2); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 480px) { .form-row { grid-template-columns: 1fr; } }

.btn {
    display: inline-block; width: 100%;
    padding: 12px;
    background: var(--blue-2);
    border: none;
    border-radius: 22px;
    font-size: 1rem; font-weight: 700;
    color: #fff; cursor: pointer;
    text-align: center;
    text-decoration: none;
    margin-top: 10px;
}
.btn:hover { background: var(--blue-deep); }
.btn-sm { display: inline-block; width: auto; padding: 8px 18px; font-size: .82rem; margin-top: 0; }
.btn-gold { background: var(--gold); color: var(--blue-deep); }
.btn-gold:hover { background: var(--gold-dark); }
.btn-secondary { background: #fff; color: var(--blue-2); border: 1.5px solid var(--blue-2); }
.btn-secondary:hover { background: #eef4fb; }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { background: #a11f1f; }

.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: .9rem; }
.alert-success { background: var(--green-bg); color: #155724; border: 1px solid #c3e6cb; }
.alert-error { background: var(--red-bg); color: #721c24; border: 1px solid #f5c6cb; }
.alert-info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }

.section-title { font-size: 1.05rem; font-weight: 700; color: #333; margin-bottom: 14px; }
.section-title.center { text-align: center; }

.navbar {
    width: 100%; max-width: 960px;
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
    background: rgba(255,255,255,0.95);
    border-radius: 12px; padding: 10px 16px;
    margin-bottom: 18px;
}
.nav-links { display: flex; gap: 14px; flex-wrap: wrap; }
.nav-links a { text-decoration: none; color: var(--blue-2); font-weight: 700; font-size: .85rem; }
.nav-links a:hover { text-decoration: underline; }
.nav-right { display: flex; align-items: center; gap: 12px; }
.logged-as { font-size: .8rem; color: #444; }
.logged-as em { color: var(--blue-2); font-style: normal; font-weight: 700; }
.nav-right a { color: var(--red); font-weight: 700; font-size: .8rem; text-decoration: none; }

.data-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.data-table th { background: var(--blue-2); color: #fff; padding: 8px; text-align: left; white-space: nowrap; }
.data-table td { padding: 7px 8px; border-bottom: 1px solid #eee; }
.data-table tr:nth-child(even) td { background: #f7fafd; }
.table-wrap { overflow-x: auto; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .72rem; font-weight: 700; }
.badge-none { background: #eee; color: #777; }
.badge-user { background: #d1ecf1; color: #0c5460; }
.badge-view { background: #e2d9f3; color: #4b2e83; }
.badge-admin { background: var(--gold); color: var(--blue-deep); }
.badge-super_admin { background: var(--blue-deep); color: #fff; }

.amt-pos { color: var(--green); font-weight: 700; }
.amt-neg { color: var(--red); font-weight: 700; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat-box { background: #eef4fb; border-radius: 12px; padding: 16px; text-align: center; }
.stat-box .num { font-size: 1.4rem; font-weight: 800; color: var(--blue-deep); }
.stat-box .lbl { font-size: .78rem; color: #555; margin-top: 2px; }

.dash-links { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.dash-links a {
    display: block; text-decoration: none; background: var(--blue-2); color: #fff;
    padding: 20px 16px; border-radius: 12px; font-weight: 700; text-align: center;
}
.dash-links a:hover { background: var(--blue-deep); }

.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }