:root {
    --bg: #0f1419;
    --bg-card: #1a2029;
    --bg-input: #232b36;
    --border: #2d3844;
    --text: #e6edf3;
    --text-dim: #8b949e;
    --accent: #58a6ff;
    --success: #3fb950;
    --warning: #d29922;
    --danger: #f85149;
  }

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

  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding: 16px;
    font-size: 15px;
    line-height: 1.5;
  }

  .container {
    max-width: 480px;
    margin: 0 auto;
  }

  h1 {
    font-size: 20px;
    margin-bottom: 16px;
    text-align: center;
  }

  .intro {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 14px;
  }

  .intro-lead {
    font-size: 14px;
    color: var(--text);
    line-height: 1.5;
    margin-bottom: 10px;
  }

  .intro-lead b {
    color: var(--accent);
  }

  .intro-rules {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
    font-size: 12px;
    color: var(--text-dim);
  }

  .intro-rule {
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
  }

  .intro-rule-label {
    color: var(--text);
    font-weight: 600;
    margin-right: 2px;
  }

  .card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
  }

  .is-hidden {
    display: none !important;
  }

  .card-title {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .status {
    text-align: center;
    padding: 20px 12px;
  }

  .status-main {
    font-size: 18px;
    margin-bottom: 6px;
  }

  .status-sub {
    font-size: 13px;
    color: var(--text-dim);
  }

  .status-sub.center {
    text-align: center;
  }

  .status-sub.mt-8 {
    margin-top: 8px;
  }

  .status-sub.mt-10 {
    margin-top: 10px;
  }

  .status-sub a {
    color: var(--accent);
    text-decoration: none;
  }

  .hint-box {
    background: rgba(88, 166, 255, 0.08);
    border: 1px solid rgba(88, 166, 255, 0.25);
    border-radius: 10px;
    padding: 12px;
    margin-top: 12px;
  }

  .hint-title {
    font-size: 12px;
    color: var(--accent);
    margin-bottom: 6px;
    font-weight: 600;
  }

  .hint-text {
    font-size: 13px;
    color: var(--text-dim);
  }

  .input-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 12px;
  }

  input[type="number"] {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 18px;
    padding: 12px;
    text-align: center;
    font-family: inherit;
    -moz-appearance: textfield;
  }

  input[type="number"]::-webkit-outer-spin-button,
  input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }

  .unit {
    color: var(--text-dim);
    font-size: 16px;
    padding: 0 4px;
  }

  button {
    background: var(--accent);
    color: #0f1419;
    border: none;
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    width: 100%;
    margin-top: 12px;
  }

  button:disabled {
    background: var(--border);
    color: var(--text-dim);
    cursor: not-allowed;
  }

  .result-score {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin: 8px 0;
  }

  .result-score.high { color: var(--success); }
  .result-score.mid { color: var(--warning); }
  .result-score.low { color: var(--danger); }

  .result-detail {
    display: flex;
    justify-content: space-around;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
  }

  .result-cell {
    text-align: center;
  }

  .result-cell-label {
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 4px;
  }

  .result-cell-value {
    font-size: 18px;
    font-weight: 600;
  }

  .history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
  }

  .history-item:last-child {
    border-bottom: none;
  }

  .history-values {
    color: var(--text-dim);
    font-size: 13px;
  }

  .history-score {
    font-weight: 600;
    font-size: 16px;
  }

  .history-score.high { color: var(--success); }
  .history-score.mid { color: var(--warning); }
  .history-score.low { color: var(--danger); }
  .history-score.pending { color: var(--text-dim); }

  .stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    text-align: center;
  }

  .stat-value {
    font-size: 22px;
    font-weight: 700;
  }

  .stat-label {
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
  }

  .toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 100;
    max-width: calc(100vw - 32px);
    text-align: center;
  }

  .toast.show { opacity: 1; }
  .toast.error { border-color: var(--danger); }

  .empty {
    text-align: center;
    color: var(--text-dim);
    padding: 16px;
    font-size: 14px;
  }

  .today-main {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
  }

  .today-emoji {
    font-size: 32px;
    line-height: 1;
  }

  .today-weather-text {
    font-size: 15px;
    flex: 1;
  }

  .today-temps {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 4px;
  }

  .today-normal {
    font-size: 13px;
    color: var(--text-dim);
  }

  .today-tomorrow {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .today-tomorrow-emoji {
    font-size: 16px;
  }

  .today-loading {
    text-align: center;
    color: var(--text-dim);
    padding: 8px;
    font-size: 13px;
  }

  .today-note {
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-dim);
  }

  .today-error {
    color: var(--text-dim);
    font-size: 13px;
    text-align: center;
    padding: 8px;
  }

  .auth-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 10px 12px;
    margin-bottom: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 13px;
  }

  .auth-status {
    color: var(--text);
    flex: 1 1 200px;
    min-width: 0;
    word-break: break-word;
  }

  .auth-status-main {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.4;
  }

  .auth-status-sub {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 2px;
    line-height: 1.4;
  }

  .auth-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
  }

  .auth-actions .btn-secondary {
    margin-top: 0;
    padding: 8px 14px;
    font-size: 13px;
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
  }

  .auth-actions .btn-secondary[hidden] {
    display: none;
  }

  .auth-actions .btn-secondary:hover {
    border-color: var(--accent);
  }

  a.btn-secondary#authLoginBtn {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
  }

  .region-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 10px 12px;
    margin-bottom: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
  }

  .region-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
  }

  .region-select {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 14px;
    cursor: pointer;
  }

  .region-select:focus {
    outline: none;
    border-color: var(--accent);
  }

  .region-hint {
    font-size: 12px;
    color: var(--text-dim);
    flex: 1 1 200px;
    min-width: 0;
  }