* { box-sizing: border-box; }

:root {
  color-scheme: light;
  --sc-primary: #173a5e;
  --sc-primary-dark: #102a45;
  --sc-text: #1f2937;
  --sc-muted: #6b7280;
  --sc-border: #dbe3ec;
  --sc-bg: #f4f7fb;
  --sc-card: #ffffff;
  --sc-success-bg: #edf8f1;
  --sc-success: #176b3a;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--sc-bg);
  color: var(--sc-text);
}

body {
  padding: 20px 16px 40px;
}

.sc-page {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.sc-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 14px;
  color: var(--sc-primary);
  text-decoration: none;
  font-weight: 700;
}

.sc-back-link:hover { text-decoration: underline; }

.sc-header { margin-bottom: 20px; }

.sc-hero {
  overflow: hidden;
  border-radius: 20px;
  background: var(--sc-primary);
  box-shadow: 0 14px 34px rgba(15, 23, 42, .12);
}

.sc-hero-image {
  display: block;
  width: 100%;
  max-height: 460px;
  object-fit: cover;
}

.sc-hero-fallback {
  min-height: 260px;
  display: grid;
  place-content: center;
  gap: 8px;
  padding: 36px 20px;
  text-align: center;
  color: #fff;
  background: linear-gradient(135deg, var(--sc-primary-dark), var(--sc-primary));
}

.sc-hero-fallback h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1;
  letter-spacing: -.03em;
}

.sc-hero-fallback p {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  opacity: .86;
}

.sc-kicker {
  display: inline-block;
  margin-bottom: 5px;
  color: var(--sc-primary);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.sc-hero .sc-kicker { color: rgba(255,255,255,.8); }

.sc-toolbar,
.sc-card {
  background: var(--sc-card);
  border: 1px solid rgba(219, 227, 236, .85);
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, .06);
}

.sc-toolbar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 220px));
  gap: 14px;
  margin-bottom: 14px;
  padding: 18px;
}

.sc-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 18px;
  padding: 6px;
  border: 1px solid var(--sc-border);
  border-radius: 14px;
  background: #eaf0f6;
}

.sc-tab-button {
  min-height: 46px;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  background: transparent;
  color: var(--sc-primary);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: background .16s ease, color .16s ease, box-shadow .16s ease;
}

.sc-tab-button:hover { background: rgba(255,255,255,.65); }

.sc-tab-button.active {
  background: var(--sc-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(23, 58, 94, .18);
}

.sc-tab-button:focus-visible {
  outline: 3px solid rgba(23, 58, 94, .25);
  outline-offset: 2px;
}

.sc-tab-panel[hidden] { display: none !important; }
.sc-tab-panel.active { display: block; }
.sc-tab-panel > .sc-card { margin-bottom: 18px; }

.sc-select-group,
.sc-admin-form label {
  display: grid;
  gap: 7px;
  font-weight: 700;
  color: var(--sc-primary);
}

.sc-select-group select,
#scPlayerSearch,
#scTournamentExcelInput,
.sc-admin-form input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--sc-border);
  border-radius: 10px;
  background: #fff;
  color: var(--sc-text);
  font: inherit;
}

.sc-select-group select,
#scPlayerSearch,
.sc-admin-form input { padding: 10px 12px; }

.sc-card {
  margin-bottom: 18px;
  padding: 22px;
}

.sc-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

.sc-section-head h2 {
  margin: 0;
  color: var(--sc-primary);
  font-size: 1.35rem;
}

.sc-meta {
  margin: 0;
  color: var(--sc-muted);
  font-size: .9rem;
  font-weight: 600;
}

.sc-search-label {
  display: block;
  margin-bottom: 7px;
  color: var(--sc-primary);
  font-size: .9rem;
  font-weight: 700;
}

.sc-player-results {
  display: grid;
  gap: 9px;
  margin-top: 14px;
}

.sc-player-item,
.sc-empty {
  border: 1px solid #e5eaf0;
  border-radius: 11px;
  background: #fafcff;
  padding: 12px 14px;
}

.sc-player-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.sc-player-item a {
  color: var(--sc-primary);
  text-decoration: none;
  font-weight: 800;
}

.sc-player-item a:hover { text-decoration: underline; }

.sc-player-item small,
.sc-empty { color: var(--sc-muted); }

.sc-ranking-container,
.sc-schedule-table-wrap { overflow-x: auto; }

.sc-ranking-table,
.sc-schedule-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.sc-ranking-table th,
.sc-ranking-table td,
.sc-schedule-table th,
.sc-schedule-table td {
  padding: 12px 10px;
  border-bottom: 1px solid #e7edf4;
  text-align: left;
  white-space: nowrap;
}

.sc-ranking-table th,
.sc-schedule-table th {
  background: var(--sc-primary);
  color: #fff;
  font-size: .86rem;
}

.sc-ranking-table th:first-child,
.sc-schedule-table th:first-child { border-radius: 9px 0 0 0; }
.sc-ranking-table th:last-child,
.sc-schedule-table th:last-child { border-radius: 0 9px 0 0; }

.sc-ranking-table td a,
.sc-schedule-table td a {
  color: var(--sc-primary);
  font-weight: 700;
  text-decoration: none;
}

.sc-ranking-table td a:hover,
.sc-schedule-table td a:hover { text-decoration: underline; }

.sc-place-1 td { background: #fff8dc; }
.sc-place-2 td { background: #f7f7f7; }
.sc-place-3 td { background: #fff1e7; }

.sc-schedule-container {
  display: grid;
  gap: 16px;
}

.sc-start-block {
  overflow: hidden;
  border: 1px solid var(--sc-border);
  border-radius: 14px;
  background: #fff;
}

.sc-start-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  background: #f7f9fc;
  border-bottom: 1px solid var(--sc-border);
}

.sc-start-head strong {
  color: var(--sc-primary);
  font-size: 1rem;
}

.sc-start-head span {
  color: var(--sc-muted);
  font-size: .9rem;
  font-weight: 600;
}

.sc-schedule-total {
  display: inline-flex;
  min-width: 46px;
  justify-content: center;
  border-radius: 999px;
  padding: 5px 9px;
  background: #eef2f7;
  color: var(--sc-muted);
  font-weight: 800;
}

.sc-schedule-total.has-result {
  background: var(--sc-success-bg);
  color: var(--sc-success);
}

.sc-schedule-actions {
  display: flex;
  gap: 6px;
}

.sc-row-button {
  min-height: 34px;
  border: 1px solid var(--sc-border);
  border-radius: 8px;
  padding: 6px 9px;
  background: #fff;
  color: var(--sc-primary);
  font: inherit;
  font-size: .8rem;
  font-weight: 700;
  cursor: pointer;
}

.sc-row-button:hover { background: #f2f5f9; }
.sc-row-button.danger { color: #a12828; }

.sc-admin-import p,
.sc-admin-schedule p {
  margin: -4px 0 14px;
  color: var(--sc-muted);
}

.sc-admin-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  align-items: end;
}

.sc-admin-form-wide { grid-column: span 2; }

.sc-admin-form-actions,
.sc-import-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

#scTournamentExcelInput { padding: 8px; }

#scTournamentImportBtn,
#scScheduleSaveBtn,
.sc-secondary-button {
  min-height: 44px;
  border: 0;
  border-radius: 10px;
  padding: 10px 16px;
  background: var(--sc-primary);
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

#scTournamentImportBtn:hover,
#scScheduleSaveBtn:hover { background: var(--sc-primary-dark); }

.sc-secondary-button {
  border: 1px solid var(--sc-border);
  background: #fff;
  color: var(--sc-primary);
}

.sc-secondary-button:hover { background: #f2f5f9; }

#scTournamentImportBtn:disabled,
#scScheduleSaveBtn:disabled { opacity: .55; cursor: not-allowed; }

.sc-import-status {
  margin-top: 12px;
  color: var(--sc-muted);
  line-height: 1.45;
}

@media (max-width: 800px) {
  .sc-admin-form { grid-template-columns: 1fr 1fr; }
  .sc-admin-form-wide { grid-column: span 2; }
}

@media (max-width: 700px) {
  body { padding: 10px 8px 24px; }
  .sc-back-link { margin-left: 2px; }
  .sc-hero { border-radius: 14px; }
  .sc-hero-fallback { min-height: 210px; }
  .sc-toolbar { grid-template-columns: 1fr 1fr; padding: 14px; }
  .sc-tabs { gap: 5px; padding: 5px; }
  .sc-tab-button { min-height: 44px; padding: 9px 6px; font-size: .84rem; }
  .sc-card { padding: 16px; }
  .sc-section-head { flex-direction: column; gap: 5px; }
  .sc-player-item { align-items: flex-start; flex-direction: column; gap: 4px; }
  .sc-start-head { align-items: flex-start; flex-direction: column; gap: 4px; }
  .sc-schedule-table { min-width: 560px; }
}

@media (max-width: 480px) {
  .sc-admin-form { grid-template-columns: 1fr; }
  .sc-admin-form-wide { grid-column: span 1; }
}

@media (max-width: 420px) {
  .sc-toolbar { grid-template-columns: 1fr; }
  .sc-tabs { grid-template-columns: 1fr; }
  .sc-tab-button { width: 100%; }
}