:root {
  --brand: #424747;
  --bg: #f8fafc;
  --surface: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --line: #dbe3ec;
  --accent: #0b66c3;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: #f4f6f8;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

main,
.site-footer {
  width: min(880px, 94vw);
  margin: 0 auto;
}

.site-header {
  background: var(--brand);
  color: #fff;
  padding: 1rem 1.25rem;
}

h1 {
  margin: 0;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
}

.top-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.hint {
  color: var(--muted);
}

.tab-btn {
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: 0.5rem;
  padding: 0.55rem 0.85rem;
  font: inherit;
  cursor: pointer;
}

.tab-btn.is-active {
  background: #fff;
  border-color: #fff;
  color: var(--brand);
}

main {
  padding: 0.5rem 0 1rem;
}

.view {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 1rem;
}

h2 {
  margin-top: 0;
  font-size: 1.15rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
  margin-bottom: 0.8rem;
}

.summary-card {
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 0.65rem 0.75rem;
  background: #f9fbfe;
}

.summary-label {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.summary-value {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
}

.filters-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  margin-bottom: 0.8rem;
}

form {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 0.9rem;
}

.fieldset {
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  padding: 0.55rem 0.65rem 0.65rem;
  margin: 0;
}

.fieldset legend {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 0 0.3rem;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.choice-btn {
  border: 1px solid #c7d2de;
  background: #fff;
  color: var(--ink);
  border-radius: 0.45rem;
  padding: 0.5rem 0.78rem;
  cursor: pointer;
}

.choice-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.sport-fields {
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  padding: 0.7rem;
}

.sport-fields h3 {
  margin: 0 0 0.55rem;
  font-size: 1rem;
}

.inline-group {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.6rem;
  align-items: end;
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.helper-text {
  margin: -0.35rem 0 0.25rem;
  font-size: 0.86rem;
  color: #607184;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  border: 1px solid #c7d2de;
  border-radius: 0.45rem;
  padding: 0.5rem 0.6rem;
  background: #fff;
  color: var(--ink);
}

button[type="submit"] {
  justify-self: start;
  border: 1px solid var(--accent);
  border-radius: 0.45rem;
  background: var(--accent);
  color: #fff;
  padding: 0.55rem 0.95rem;
  cursor: pointer;
}

#activity-save-btn,
#activity-clear-btn {
  border: 1px solid #b6c4d4;
  border-radius: 0.45rem;
  background: #fff;
  color: var(--ink);
  padding: 0.55rem 0.95rem;
  cursor: pointer;
}

#activity-save-btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

.actions-row {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

#settings-reset-btn {
  border: 1px solid #b6c4d4;
  border-radius: 0.45rem;
  background: #fff;
  color: var(--ink);
  padding: 0.55rem 0.95rem;
  cursor: pointer;
}

#settings-errors {
  margin-top: 0;
  color: #9a3412;
  min-height: 1.1em;
}

.result-list {
  margin: 0.35rem 0 0;
  padding-left: 1.15rem;
}

#result-errors-wrap {
  color: #9a3412;
}

.table-wrap {
  overflow-x: auto;
}

.activity-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  overflow: hidden;
  background: #fff;
}

.activity-table th,
.activity-table td {
  padding: 0.55rem 0.5rem;
  border-bottom: 1px solid #e8eef5;
  text-align: left;
  font-size: 0.92rem;
}

.activity-table th {
  color: var(--muted);
  font-weight: 600;
  background: #f6f9fd;
}

.activity-table tbody tr {
  cursor: pointer;
}

.activity-table tbody tr:hover {
  background: #f8fbff;
}

.note-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.45rem;
  padding: 0.15rem 0.35rem;
  border-radius: 999px;
  background: #e2ecf9;
  color: #1f4e84;
  font-size: 0.76rem;
  font-weight: 600;
}

.quality-badge {
  display: inline-block;
  margin-right: 0.35rem;
  padding: 0.1rem 0.36rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: grid;
  place-items: center;
  padding: 1rem;
  z-index: 1200;
}

.modal-card {
  width: min(640px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: #fff;
  border: 1px solid #d5deea;
  border-radius: 0.7rem;
  padding: 1rem;
}

.modal-card h3 {
  margin-top: 0;
}

.modal-content {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
}

.modal-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.65rem;
  align-items: start;
}

.modal-key {
  color: var(--muted);
  font-size: 0.9rem;
}

.modal-pre {
  margin: 0;
  background: #f8fbff;
  border: 1px solid #dbe8f8;
  border-radius: 0.45rem;
  padding: 0.55rem;
  font-size: 0.85rem;
  overflow: auto;
}

#activity-modal-delete {
  border: 1px solid #b91c1c;
  border-radius: 0.45rem;
  background: #fff;
  color: #b91c1c;
  padding: 0.55rem 0.95rem;
  cursor: pointer;
}

#activity-modal-close {
  border: 1px solid #b6c4d4;
  border-radius: 0.45rem;
  background: #fff;
  color: var(--ink);
  padding: 0.55rem 0.95rem;
  cursor: pointer;
}

.panel {
  border: 1px dashed #cdd8e5;
  border-radius: 0.55rem;
  padding: 0.8rem;
  background: #f9fbfe;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 560px) {
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .filters-row {
    grid-template-columns: 1fr;
  }

  .inline-group {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
    gap: 0.35rem;
  }
}