:root {
    --blue: #0f4c81;
    --blue-dark: #123457;
    --red: #c82032;
    --gold: #d9a441;
    --green: #1d8f65;
    --orange: #c77722;
    --ink: #1f2933;
    --muted: #667085;
    --line: #d9e2ec;
    --bg: #f5f7fa;
    --panel: #ffffff;
    --focus: #ffbf47;
    --shadow: 0 12px 30px rgba(15, 76, 129, .12);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.5;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

button, input, select, textarea {
    font: inherit;
}

button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 12px 22px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 2px 14px rgba(16, 24, 40, .06);
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 260px;
    color: var(--ink);
}

.brand:hover { text-decoration: none; }

.brand strong {
    display: block;
    font-size: 1rem;
    letter-spacing: 0;
}

.brand small {
    color: var(--muted);
}

.brand-logos {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logos img {
    width: 70px;
    height: 42px;
    object-fit: contain;
}

.top-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.top-nav a,
.top-nav button,
.admin-tabs button,
.btn {
    min-height: 40px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--blue-dark);
    padding: 9px 12px;
    cursor: pointer;
    text-decoration: none;
}

.top-nav a:hover,
.top-nav button:hover,
.top-nav .is-active,
.admin-tabs .is-active {
    border-color: var(--blue);
    background: #edf5fb;
}

.page-shell {
    width: min(1380px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0 42px;
}

.toolbar,
.programme-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 22px;
}

h1, h2, h3 { margin: 0 0 8px; line-height: 1.2; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); font-size: .92rem; }

.toolbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--blue);
    color: #fff;
    border-color: var(--blue);
}

.btn-secondary {
    background: #fff;
    color: var(--blue-dark);
}

.btn-danger {
    background: var(--red);
    color: #fff;
    border-color: var(--red);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.summary-card,
.chart-card,
.form-card,
.programme-block,
.podium-card,
.settings-card,
.empty-state {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.summary-card {
    padding: 18px;
    border-top: 5px solid var(--blue);
}

.programme-block {
    padding: 20px;
}

.summary-card[data-accent="green"] { border-top-color: var(--green); }
.summary-card[data-accent="gold"] { border-top-color: var(--gold); }
.summary-card[data-accent="red"] { border-top-color: var(--red); }

.summary-card span {
    color: var(--muted);
    display: block;
    margin-bottom: 8px;
}

.summary-card strong {
    display: block;
    font-size: 1.65rem;
    color: var(--blue-dark);
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(260px, 1fr));
    gap: 16px;
}

.chart-card {
    padding: 18px;
    min-height: 430px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.chart-box {
    position: relative;
    min-height: 260px;
}

.programme-logo {
    height: 76px;
    width: 100%;
    object-fit: contain;
}

.view-panel { display: none; }
.view-panel.is-active { display: block; }

.programme-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.programme-title img,
.programme-hero img {
    max-width: 210px;
    max-height: 110px;
    object-fit: contain;
}

.podium {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    align-items: stretch;
    margin-bottom: 20px;
}

.podium-card {
    padding: 18px;
    border-top: 5px solid var(--gold);
}

.podium-card.rank-2 { border-top-color: #a8b3bd; }
.podium-card.rank-3 { border-top-color: #b56a36; }
.podium-card .rank { font-size: 1.8rem; font-weight: 700; }

.programme-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 14px 0;
}

.search-input,
select,
input,
textarea {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 9px 11px;
    background: #fff;
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 8px;
}

table {
    width: 100%;
    min-width: 780px;
    border-collapse: collapse;
}

th, td {
    padding: 11px 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    background: #eef3f8;
    color: var(--blue-dark);
    cursor: pointer;
    white-space: nowrap;
}

tr:last-child td { border-bottom: 0; }

.participant-detail {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 18px;
    margin-top: 20px;
}

.line-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px;
}

.form-card {
    padding: 22px;
    width: min(720px, 100%);
}

.form-card form {
    display: grid;
    gap: 16px;
}

label span {
    display: block;
    font-weight: 700;
    margin-bottom: 6px;
}

.alert {
    margin: 14px 0;
    padding: 13px 15px;
    border-radius: 8px;
    border: 1px solid #bbd6f0;
    background: #eef7ff;
    color: var(--blue-dark);
}

.alert.error {
    border-color: #f2b8bd;
    background: #fff2f3;
    color: #8d1825;
}

.alert.success {
    border-color: #a9dec8;
    background: #effaf5;
    color: #176245;
}

.hidden { display: none !important; }
.loading { padding: 12px 0; color: var(--muted); }

.empty-state {
    padding: 34px;
    text-align: center;
}

.back-link {
    display: inline-block;
    margin-bottom: 10px;
    font-weight: 700;
}

.admin-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin: 12px 0;
}

.pagination button {
    min-height: 38px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
}

.pagination button:disabled {
    opacity: .55;
    cursor: not-allowed;
}

.admin-panel { display: none; }
.admin-panel.is-active { display: block; }

.inline-form,
.filter-row,
.settings-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(130px, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.filter-row {
    grid-template-columns: 180px 180px 150px 150px minmax(220px, 1fr);
}

.settings-grid {
    grid-template-columns: repeat(3, minmax(220px, 1fr));
}

.settings-card {
    padding: 16px;
}

.check {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.check input {
    width: auto;
    min-height: auto;
}

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 22px;
    border-top: 1px solid var(--line);
    background: #fff;
    color: var(--muted);
}

@media (max-width: 1100px) {
    .site-header,
    .toolbar,
    .programme-hero {
        align-items: flex-start;
        flex-direction: column;
    }
    .top-nav { justify-content: flex-start; }
    .summary-grid { grid-template-columns: repeat(2, 1fr); }
    .chart-grid { grid-template-columns: repeat(2, 1fr); }
    .participant-detail { grid-template-columns: 1fr; }
    .inline-form,
    .filter-row,
    .settings-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
    .page-shell { width: min(100% - 20px, 1380px); padding-top: 18px; }
    .brand { min-width: 0; }
    .brand-logos img { width: 58px; height: 36px; }
    .top-nav a,
    .top-nav button { width: 100%; text-align: left; }
    .summary-grid,
    .chart-grid,
    .podium,
    .inline-form,
    .filter-row,
    .settings-grid { grid-template-columns: 1fr; }
    .chart-card { min-height: auto; }
    .programme-title { align-items: flex-start; flex-direction: column; }
    .summary-card strong { font-size: 1.35rem; }
    .site-footer { flex-direction: column; }
}