:root {
  --bg: #f7f6fa;
  --surface: #ffffff;
  --border: #e4e1ec;
  --text: #211f2b;
  --muted: #6d6a7c;
  --accent: #5b3fa6;
  --accent-soft: #ece6f7;
  --badge-bg: #fbeadd;
  --badge-text: #a5561c;
  --shadow: 0 1px 2px rgba(30, 20, 45, 0.06), 0 4px 16px rgba(30, 20, 45, 0.06);
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17151f;
    --surface: #1f1c29;
    --border: #322e3d;
    --text: #ebe9f2;
    --muted: #a7a2b8;
    --accent: #a68df0;
    --accent-soft: #2a2438;
    --badge-bg: #3a2a1a;
    --badge-text: #f0b579;
    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 4px 20px rgba(0,0,0,0.35);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

#page {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 32px 0 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  font-size: 30px;
  color: var(--accent);
}

.page-header h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.01em;
}

.tagline {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.header-actions {
  flex: 0 0 auto;
  display: flex;
  gap: 10px;
}

.add-toggle {
  flex: 0 0 auto;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.add-toggle:hover {
  background: var(--accent-soft);
}

.add-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 28px;
}

.add-form-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}

.add-form-row-split {
  flex-direction: row;
  gap: 14px;
}

.add-form-row-split label {
  flex: 1 1 0;
}

.add-form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.add-form .optional {
  font-weight: 400;
  text-transform: none;
}

.add-form input {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 10px;
}

.add-form input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.add-form-hint {
  margin: 0 0 14px;
  font-size: 12px;
  color: var(--muted);
}

.add-form-actions {
  display: flex;
  gap: 10px;
}

.add-submit {
  background: var(--accent);
  color: #fff;
  border: none;
  font-weight: 700;
  font-size: 14px;
  padding: 9px 16px;
  border-radius: 8px;
  cursor: pointer;
}

.add-cancel {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 14px;
  padding: 9px 16px;
  border-radius: 8px;
  cursor: pointer;
}

.add-form .optional a {
  color: var(--accent);
}

.search-row {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 10px;
}

.search-row input {
  flex: 1 1 160px;
}

.search-row #searchCity {
  flex: 1 1 120px;
  max-width: 220px;
}

.search-row .add-submit {
  flex: 0 0 auto;
}

.search-results {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.search-status {
  color: var(--muted);
  font-size: 13px;
  margin: 4px 0 0;
}

.search-status-error {
  color: var(--badge-text);
}

.search-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
}

.search-result-name {
  font-weight: 650;
  font-size: 14px;
}

.search-result-meta {
  color: var(--muted);
  font-size: 12.5px;
  margin-top: 2px;
}

.search-add-btn {
  flex: 0 0 auto;
  background: var(--accent);
  color: #fff;
  border: none;
  font-weight: 700;
  font-size: 12.5px;
  padding: 7px 12px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
}

.search-add-btn:disabled {
  background: var(--border);
  color: var(--muted);
  cursor: default;
}

.month-group {
  margin-bottom: 32px;
}

.month-heading {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin: 0 0 12px;
}

.concert-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.concert-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
}

.concert-remove {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 22px;
  height: 22px;
  line-height: 20px;
  text-align: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  font-size: 15px;
  cursor: pointer;
  padding: 0;
}

.concert-remove:hover {
  color: var(--badge-text);
  border-color: var(--badge-text);
}

.concert-date {
  flex: 0 0 auto;
  width: 52px;
  text-align: center;
  background: var(--accent-soft);
  border-radius: 10px;
  padding: 8px 0;
}

.concert-weekday {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.concert-day {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.1;
}

.concert-info {
  flex: 1 1 auto;
  min-width: 0;
}

.concert-artist {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 650;
}

.concert-meta {
  color: var(--text);
  font-size: 14px;
}

.concert-sep {
  color: var(--muted);
  margin: 0 6px;
}

.concert-address {
  color: var(--muted);
  font-size: 13px;
  margin-top: 2px;
}

.concert-source {
  color: var(--muted);
  font-size: 12px;
  margin-top: 6px;
  font-style: italic;
}

.concert-badge {
  flex: 0 0 auto;
  align-self: center;
  background: var(--badge-bg);
  color: var(--badge-text);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.empty {
  color: var(--muted);
  text-align: center;
  padding: 40px 0;
}

.page-footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}

.page-footer code {
  background: var(--accent-soft);
  padding: 1px 5px;
  border-radius: 4px;
}

@media (max-width: 480px) {
  .concert-card {
    flex-wrap: wrap;
  }
  .concert-badge {
    order: 3;
    margin-left: 68px;
  }
}