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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --border: #2a2d3a;
  --text: #e8eaf0;
  --muted: #7b8099;
  --accent: #fc4c02;
  --run: #fc4c02;
  --ride: #3b82f6;
  --other: #8b5cf6;
}

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

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

#athlete-name { font-size: 0.9rem; color: var(--muted); }

.btn-sync {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.35rem 0.75rem;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: color 0.15s, border-color 0.15s;
}
.btn-sync:hover { color: var(--text); border-color: var(--muted); }
.btn-sync.syncing { color: var(--accent); border-color: var(--accent); }

.hidden { display: none !important; }

/* Connect screen */
#connect-screen {
  text-align: center;
  margin-top: 6rem;
}
#connect-screen p { color: var(--muted); margin-bottom: 1.5rem; }

.btn-strava {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity 0.15s;
}
.btn-strava:hover { opacity: 0.85; }

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}

.tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-content {
  max-width: 960px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
}

/* Calendar */
.calendar-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.calendar-header button {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  width: 2rem;
  height: 2rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s;
}
.calendar-header button:hover { border-color: var(--muted); }

#month-label {
  font-size: 1rem;
  font-weight: 600;
  min-width: 140px;
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.cal-weekday {
  text-align: center;
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  padding: 0.4rem 0;
  font-weight: 600;
}

.cal-day {
  min-height: 72px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.4rem 0.5rem;
  font-size: 0.8rem;
}

.cal-day.empty { background: transparent; border-color: transparent; }
.cal-day.today { border-color: var(--accent); }

.cal-day-num {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.cal-activity {
  font-size: 0.7rem;
  border-radius: 3px;
  padding: 0.1rem 0.3rem;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cal-activity.Run, .cal-activity.TrailRun, .cal-activity.VirtualRun {
  background: rgba(252, 76, 2, 0.2);
  color: var(--run);
}
.cal-activity.Ride, .cal-activity.VirtualRide {
  background: rgba(59, 130, 246, 0.2);
  color: var(--ride);
}
.cal-activity.other {
  background: rgba(139, 92, 246, 0.2);
  color: var(--other);
}

.sync-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

#activity-count { font-size: 0.82rem; color: var(--muted); }

.btn-load-more {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.35rem 0.9rem;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.82rem;
  transition: color 0.15s, border-color 0.15s;
}
.btn-load-more:hover { color: var(--text); border-color: var(--muted); }
.btn-load-more:disabled { opacity: 0.4; cursor: default; }

/* Charts */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 640px) {
  .charts-grid { grid-template-columns: 1fr; }
}

.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
}

.chart-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.chart-card-header h3 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.btn-expand {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, border-color 0.15s;
  flex-shrink: 0;
}
.btn-expand:hover { color: var(--text); border-color: var(--muted); }

.chart-note {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 0.6rem;
  line-height: 1.5;
  border-top: 1px solid var(--border);
  padding-top: 0.5rem;
}

/* PRs */
.prs-section {
  margin-top: 0.5rem;
}

.prs-section > h3 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 0.75rem;
}

.prs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.75rem;
}

.pr-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  position: relative;
}
.pr-card:hover { border-color: var(--accent); background: #1f2233; }
.pr-card.empty { cursor: default; opacity: 0.45; }
.pr-card.empty:hover { border-color: var(--border); background: var(--surface); }

.pr-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

.pr-best-time {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.pr-best-pace {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

.pr-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0.55rem 0;
}

.pr-last-label {
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pr-last-time {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 0.15rem;
}

.pr-last-date {
  font-size: 0.7rem;
  color: var(--muted);
}

.pr-hint {
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 0.5rem;
  opacity: 0.7;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  backdrop-filter: blur(2px);
}

.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 820px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 1;
}

.modal-header h2 {
  font-size: 0.95rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 0.2rem;
  transition: color 0.15s;
}
.modal-close:hover { color: var(--text); }

.modal-body {
  padding: 1.25rem;
  flex: 1;
}

/* PR history table inside modal */
.pr-history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.pr-history-table th {
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.pr-history-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid #22253280;
  color: var(--text);
}

.pr-history-table tr:last-child td { border-bottom: none; }
.pr-history-table tr.is-pr td { color: var(--accent); }

.pr-history-table .tag-pr {
  display: inline-block;
  background: rgba(252,76,2,0.15);
  color: var(--accent);
  font-size: 0.65rem;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  margin-left: 0.4rem;
  vertical-align: middle;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.pr-summary-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.pr-summary-card {
  background: #13151f;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
}

.pr-summary-card .sc-label {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.pr-summary-card .sc-value {
  font-size: 1.1rem;
  font-weight: 700;
}

.pr-summary-card .sc-value.accent { color: var(--accent); }

.pr-summary-card .sc-sub {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

#loading {
  text-align: center;
  color: var(--muted);
  margin-top: 4rem;
}

/* ── Saúde ──────────────────────────────────────────────────────────────── */

.health-section {
  margin-bottom: 2rem;
}

.health-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.health-section-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* Range selector (peso) */
.range-selector {
  display: flex;
  gap: 4px;
}

.weight-range-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: color 0.15s, border-color 0.15s;
}
.weight-range-btn:hover { color: var(--text); border-color: var(--muted); }
.weight-range-btn.active { color: var(--accent); border-color: var(--accent); }

/* Week nav (sono) */
.week-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.week-nav button {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s;
}
.week-nav button:hover { border-color: var(--muted); }

#sleep-week-label {
  font-size: 0.85rem;
  color: var(--muted);
  min-width: 150px;
  text-align: center;
}

/* Sleep card */
.sleep-card { padding: 0.75rem 1rem; }

/* Sleep timeline */
.sleep-axis-row {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  margin-bottom: 4px;
}

.sleep-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 6px;
}
.sleep-row.no-data { opacity: 0.35; }

.sleep-day-col {
  width: 52px;
  flex-shrink: 0;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: right;
}

.sleep-bar-col {
  flex: 1;
  position: relative;
}

.sleep-hour-markers {
  display: flex;
  justify-content: space-between;
  padding: 0 0 2px;
}
.sleep-hour-markers span {
  font-size: 0.65rem;
  color: #3a3d4a;
  width: 0;
  text-align: center;
  white-space: nowrap;
}

.sleep-bar-track {
  position: relative;
  height: 28px;
  background: #13151f;
  border-radius: 5px;
  overflow: hidden;
}

.sleep-bar-fill {
  position: absolute;
  top: 0;
  height: 100%;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  transition: opacity 0.15s;
}
.sleep-bar-fill:hover { opacity: 0.85; }

.sleep-bar-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: rgba(0,0,0,0.75);
  white-space: nowrap;
  padding: 0 4px;
}

.sleep-info-col {
  width: 90px;
  flex-shrink: 0;
}

.sleep-times {
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
}

/* Sleep legend */
.sleep-legend {
  display: flex;
  gap: 1.25rem;
  margin-top: 0.75rem;
  padding-left: 0.25rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  color: var(--muted);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Sleep colors */
.sleep-excellent { background: #f59e0b; }
.sleep-good      { background: #22c55e; }
.sleep-warning   { background: #eab308; }
.sleep-danger    { background: #ef4444; }

/* Calendar sleep indicators */
.cal-sleep-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  margin-top: 3px;
}

/* Empty state */
.empty-msg {
  font-size: 0.82rem;
  color: var(--muted);
  text-align: center;
  padding: 1rem 0;
}

/* Dashboard version */
.dashboard-version {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--muted);
  vertical-align: middle;
  margin-left: 4px;
}

/* Sleep monthly grid */
.sleep-month-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.sleep-month-weekday {
  text-align: center;
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  padding: 0.25rem 0;
  font-weight: 600;
}

.sleep-month-cell {
  border-radius: 6px;
  padding: 0.35rem 0.25rem;
  min-height: 52px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  position: relative;
}

.sleep-month-cell.empty {
  background: transparent;
}

.sleep-month-cell.no-data {
  background: var(--surface);
  border: 1px solid var(--border);
  opacity: 0.4;
}

.sleep-month-cell.sleep-excellent { background: rgba(245,158,11,0.25); border: 1px solid rgba(245,158,11,0.5); }
.sleep-month-cell.sleep-good      { background: rgba(34,197,94,0.2);  border: 1px solid rgba(34,197,94,0.4); }
.sleep-month-cell.sleep-warning   { background: rgba(234,179,8,0.2);  border: 1px solid rgba(234,179,8,0.4); }
.sleep-month-cell.sleep-danger    { background: rgba(239,68,68,0.2);  border: 1px solid rgba(239,68,68,0.4); }

.sleep-month-day {
  font-size: 0.68rem;
  color: var(--muted);
  align-self: flex-start;
  padding-left: 2px;
  position: absolute;
  top: 4px;
  left: 5px;
}

.sleep-month-hours {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 8px;
}

.sleep-month-cell.sleep-excellent .sleep-month-hours { color: #f59e0b; }
.sleep-month-cell.sleep-good      .sleep-month-hours { color: #22c55e; }
.sleep-month-cell.sleep-warning   .sleep-month-hours { color: #eab308; }
.sleep-month-cell.sleep-danger    .sleep-month-hours { color: #ef4444; }