:root {
  --bg: #0f1620;
  --card-bg: #1a2431;
  --border: #2b3846;
  --text: #eef2f6;
  --text-dim: #9aa8b8;
  --accent: #4c8cff;
  --accent-hover: #3a76e0;
  --danger: #e8503c;
  --success: #3ec27a;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-card h1 {
  margin: 0;
  font-size: 1.5rem;
}

.subtitle {
  color: var(--text-dim);
  margin: 0 0 8px;
  font-size: 0.9rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

input, textarea, select {
  background: #0f1620;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  cursor: pointer;
  font-family: inherit;
}

button[type='submit'], .login-card button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-size: 1rem;
  font-weight: 600;
}

button[type='submit']:hover, .login-card button:hover {
  background: var(--accent-hover);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.link-button {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.85rem;
  padding: 4px;
}

.error {
  background: rgba(232, 80, 60, 0.12);
  border: 1px solid var(--danger);
  color: #ffb4a8;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
}

.success {
  background: rgba(62, 194, 122, 0.12);
  border: 1px solid var(--success);
  color: #9beeba;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 16px 60px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.page-header h1 {
  margin: 0 0 4px;
  font-size: 1.3rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card h2 {
  margin: 0;
  font-size: 1.05rem;
}

.borg-scale {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 8px;
}

.borg-step {
  border: 2px solid var(--border);
  background: #0f1620;
  border-radius: 10px;
  padding: 10px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--text);
  transition: transform 0.1s ease, border-color 0.15s ease;
}

.borg-step:hover {
  border-color: var(--step-color);
}

.borg-step.selected {
  border-color: var(--step-color);
  background: color-mix(in srgb, var(--step-color) 18%, #0f1620);
  transform: translateY(-2px);
}

.borg-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--step-color);
}

.borg-label {
  font-size: 0.7rem;
  text-align: center;
  color: var(--text-dim);
  line-height: 1.2;
}

.load-preview {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.entries-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.entries-table th {
  text-align: left;
  color: var(--text-dim);
  font-weight: 500;
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
}

.entries-table td {
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
}

.notes-cell {
  color: var(--text-dim);
  max-width: 200px;
}

.rpe-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--step-color) 25%, #0f1620);
  color: var(--step-color);
  font-weight: 700;
  font-size: 0.8rem;
}

.tabs {
  display: flex;
  gap: 8px;
}

.tabs button {
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
}

.tabs button.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.filters {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.inline-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.inline-form input {
  flex: 1;
  min-width: 140px;
}

.inline-form button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-weight: 600;
}

@media (max-width: 480px) {
  .borg-scale {
    grid-template-columns: repeat(3, 1fr);
  }
}

.trend-controls {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.trend-controls label {
  min-width: 160px;
}

.acwr-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.acwr-value {
  font-size: 2rem;
  font-weight: 700;
}

.acwr-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.acwr-badge.low { background: rgba(76, 140, 255, 0.15); color: #7fb1ff; }
.acwr-badge.optimal { background: rgba(62, 194, 122, 0.15); color: #6fe0a3; }
.acwr-badge.caution { background: rgba(232, 169, 22, 0.15); color: #f3c25c; }
.acwr-badge.high { background: rgba(232, 80, 60, 0.15); color: #ff8b7a; }
.acwr-badge.unknown { background: rgba(154, 168, 184, 0.15); color: var(--text-dim); }

.acwr-badge.compact {
  padding: 3px 10px;
  font-size: 0.72rem;
}

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

.team-table td {
  white-space: nowrap;
}

.team-table .link-button {
  padding: 0;
  font-size: 0.85rem;
  text-align: left;
}

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

.chart-note {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-dim);
}