:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --surface-subtle: #efefec;
  --border: #e4e4e0;
  --border-strong: #d4d4ce;
  --text-primary: #191918;
  --text-secondary: #6b6b66;
  --text-muted: #94948e;

  /* Theme: Orange / Terracotta (Screenshot 1) */
  --accent: #e8591c;
  --accent-soft: rgba(232, 89, 28, 0.14);
  --cell-empty: #e2e2de;
  --cell-l1: #f3b596;
  --cell-l2: #ee8c5d;
  --cell-l3: #e8591c;
  --cell-l4: #b83705;
  --cell-radius: 50%;
}

[data-theme="purple"] {
  /* Theme: Purple Squares (Screenshot 2) */
  --accent: #7c3aed;
  --accent-soft: rgba(124, 58, 237, 0.14);
  --cell-empty: #ebedf0;
  --cell-l1: #d8b4fe;
  --cell-l2: #a855f7;
  --cell-l3: #7c3aed;
  --cell-l4: #4c1d95;
  --cell-radius: 3.5px;
}

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

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.45;
  padding: 56px 24px 96px;
}

.page-shell {
  max-width: 980px;
  margin: 0 auto;
}

/* Layout Grid matching Screenshot 1 (Left meta column + Right main column) */
.profile-grid {
  display: grid;
  grid-template-columns: 190px 1fr;
  column-gap: 40px;
}

@media (max-width: 820px) {
  .profile-grid {
    grid-template-columns: 1fr;
    row-gap: 20px;
  }
  body {
    padding: 28px 16px 64px;
  }
}

/* Header Row */
.header-row {
  margin-bottom: 44px;
}

.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

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

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: #e2e2de;
  color: #6b6b66;
  font-size: 20px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.identity-text h1 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.identity-text p {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-top: 1px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.65);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn:hover {
  background: #ffffff;
  border-color: var(--border-strong);
}

.btn:active {
  transform: translateY(0.5px);
}

.btn svg {
  width: 14px;
  height: 14px;
  color: var(--text-secondary);
}

.sync-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 32px;
  padding: 0 11px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.5);
  color: var(--text-secondary);
  font-size: 12.5px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.sync-pill:hover {
  background: #ffffff;
  color: var(--text-primary);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #16a34a;
  box-shadow: 0 0 0 2px rgba(22, 163, 74, 0.18);
}

.status-dot.syncing {
  background: #f59e0b;
  animation: pulse 1s infinite;
}

.status-dot.offline {
  background: #9ca3af;
  box-shadow: none;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* Left Sidebar Meta */
.left-meta {
  font-size: 13px;
  color: var(--text-secondary);
  padding-top: 2px;
}

.left-meta .meta-sub {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

/* Stats Row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(110px, 1fr));
  gap: 24px;
  margin-bottom: 34px;
}

@media (max-width: 600px) {
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.15;
}

.stat-sub {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Heatmap Section */
.heatmap-section {
  margin-bottom: 44px;
}

.heatmap-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
  flex-wrap: wrap;
}

.heatmap-title {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
}

.inline-tabs {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.tab-btn {
  background: none;
  border: none;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 0;
  transition: color 0.15s ease;
}

.tab-btn:hover {
  color: var(--text-secondary);
}

.tab-btn.active {
  color: var(--text-primary);
  font-weight: 600;
}

.tab-divider {
  width: 1px;
  height: 12px;
  background: var(--border-strong);
}

.filter-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.duration-pills {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

.duration-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 24px;
  padding: 0 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.65);
  color: var(--text-secondary);
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.duration-pill:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
  background: #ffffff;
}

.duration-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  font-weight: 600;
}

.duration-pill-count {
  font-size: 10.5px;
  opacity: 0.72;
}

.log-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.heatmap-scroll {
  overflow-x: auto;
  padding-bottom: 6px;
}

.heatmap-wrap {
  min-width: 660px;
  user-select: none;
}

.months-row {
  display: grid;
  grid-template-columns: 24px repeat(53, 1fr);
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  height: 16px;
  align-items: center;
}

.heatmap-body {
  display: grid;
  grid-template-columns: 24px 1fr;
  align-items: start;
}

.days-col {
  display: grid;
  grid-template-rows: repeat(7, 11px);
  row-gap: 3.5px;
  font-size: 10.5px;
  color: var(--text-secondary);
  line-height: 11px;
}

.weeks-grid {
  display: grid;
  grid-template-columns: repeat(53, 11px);
  column-gap: 3.5px;
}

.week-col {
  display: grid;
  grid-template-rows: repeat(7, 11px);
  row-gap: 3.5px;
}

.day-cell {
  width: 11px;
  height: 11px;
  border-radius: var(--cell-radius);
  background: var(--cell-empty);
  transition: transform 0.1s ease, background-color 0.15s ease;
  cursor: pointer;
}

.day-cell.out-of-year {
  opacity: 0;
  pointer-events: none;
}

.day-cell.future {
  opacity: 0.45;
}

.day-cell[data-level="1"] { background: var(--cell-l1); }
.day-cell[data-level="2"] { background: var(--cell-l2); }
.day-cell[data-level="3"] { background: var(--cell-l3); }
.day-cell[data-level="4"] { background: var(--cell-l4); }

.day-cell:hover {
  transform: scale(1.3);
  z-index: 2;
  outline: 1.5px solid var(--text-primary);
  outline-offset: 1px;
}

.heatmap-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 11.5px;
  color: var(--text-muted);
}

.legend {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--cell-radius);
  display: inline-block;
}

/* Trend Chart Section (Screenshot 1 bottom + Screenshot 2 tabs) */
.chart-section {
  margin-bottom: 52px;
}

.chart-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.chart-title-group .section-kicker {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.chart-title-group .chart-big-metric {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.chart-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.chart-container {
  position: relative;
  width: 100%;
  height: 220px;
}

.chart-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.chart-axis-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Secondary Insights Grid */
.insights-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

@media (max-width: 720px) {
  .insights-grid {
    grid-template-columns: 1fr;
  }
}

.insight-card {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.insight-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
}

.insight-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.insight-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
}

/* 24-Hour Clock Distribution */
.hourly-bars {
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  gap: 4px;
  height: 110px;
  align-items: end;
  padding-top: 12px;
}

.hour-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
  cursor: pointer;
}

.hour-bar {
  width: 100%;
  border-radius: 3px 3px 1px 1px;
  background: var(--cell-l2);
  transition: height 0.25s ease, background-color 0.15s ease;
  min-height: 2px;
}

.hour-col:hover .hour-bar,
.hour-bar.peak {
  background: var(--accent);
}

.hourly-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-muted);
}

/* Weekday & Duration Bars */
.mini-bars {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.mini-bar-row {
  display: grid;
  grid-template-columns: 38px 1fr 68px;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}

.mini-bar-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.mini-bar-track {
  height: 8px;
  background: var(--surface-subtle);
  border-radius: 999px;
  overflow: hidden;
}

.mini-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}

.mini-bar-val {
  text-align: right;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

/* Recent Log Table */
.log-section {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.log-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.search-input {
  height: 32px;
  padding: 0 11px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: #ffffff;
  font-size: 12.5px;
  color: var(--text-primary);
  outline: none;
  width: 210px;
}

.search-input:focus {
  border-color: var(--text-secondary);
}

.log-list {
  max-height: 280px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 8px;
}

.log-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 11px;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid var(--border);
  font-size: 12.5px;
}

.log-chip-date {
  font-weight: 500;
  color: var(--text-primary);
}

.log-chip-meta {
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.log-chip-badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 5px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  font-size: 11px;
  margin-left: 6px;
}

/* Floating Tooltip */
.tooltip {
  position: fixed;
  pointer-events: none;
  background: #191918;
  color: #ffffff;
  padding: 8px 11px;
  border-radius: 7px;
  font-size: 12px;
  line-height: 1.4;
  z-index: 1000;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  opacity: 0;
  transition: opacity 0.1s ease;
  max-width: 260px;
}

.tooltip.visible {
  opacity: 1;
}

.tooltip-title {
  font-weight: 600;
  margin-bottom: 2px;
}

.tooltip-sub {
  color: #c8c8c2;
  font-size: 11.5px;
}

/* Year Switcher */
.year-switcher {
  display: inline-flex;
  align-items: center;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 2px;
  gap: 2px;
}

.year-btn {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 12.5px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.year-btn:hover {
  color: var(--text-primary);
}

.year-btn.active {
  background: #ffffff;
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

/* Red Legacy Notice Banner */
.legacy-red-notice {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  padding: 11px 14px;
  border-radius: 9px;
  font-size: 12.5px;
  line-height: 1.4;
  margin-bottom: 24px;
}

.legacy-red-notice svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  color: #dc2626;
}

.legacy-red-notice strong {
  font-weight: 600;
  color: #991b1b;
}

/* 2025 Legacy Section */
.legacy-section {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}

.legacy-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.legacy-header .section-kicker {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.legacy-header .chart-big-metric {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.legacy-meta-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.legacy-stat-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 6px;
  background: #ffffff;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.legacy-month-bars {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 10px;
  height: 150px;
  align-items: end;
  padding: 16px 0 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}

.legacy-bar-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
  gap: 6px;
  cursor: pointer;
}

.legacy-bar-val {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.legacy-bar-fill {
  width: 100%;
  max-width: 34px;
  border-radius: 5px 5px 2px 2px;
  background: var(--cell-l2);
  transition: height 0.25s ease, background-color 0.15s ease;
  min-height: 6px;
}

.legacy-bar-col:hover .legacy-bar-fill,
.legacy-bar-fill.peak {
  background: var(--accent);
}

.legacy-bar-month {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.legacy-month-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(135px, 1fr));
  gap: 8px;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #191918;
  color: #ffffff;
  padding: 10px 15px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.16);
  transform: translateY(16px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
  z-index: 1100;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* The heatmap is 789px wide and grid/flex children default to their content's min width, so below
   ~1060px it would widen the whole page. Let the column shrink there and scroll .heatmap-scroll instead.
   Above that the original layout fits, so it stays untouched. */
@media (max-width: 1060px) {
  .profile-grid {
    grid-template-columns: 190px minmax(0, 1fr);
  }
  .profile-grid > *,
  .header-main,
  .identity-text,
  .heatmap-section,
  .chart-section,
  .insights-grid,
  .insight-card,
  .log-section,
  .legacy-section {
    min-width: 0;
  }
}

@media (max-width: 820px) {
  .profile-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Phone (<=600px): tap targets, wrapping control rows, 2-up grids */
@media (max-width: 600px) {
  .inline-tabs {
    flex-wrap: wrap;
    row-gap: 8px;
  }
  .tab-btn {
    min-height: 32px;
    padding: 6px 4px;
  }
  .duration-pill {
    height: 32px;
  }
  .year-btn {
    min-height: 32px;
    padding: 4px 10px;
  }
  .search-input {
    width: 100%;
    font-size: 16px;
  }
  .log-controls {
    width: 100%;
  }
  .heatmap-footer {
    flex-wrap: wrap;
    gap: 8px;
  }
  .stats-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .legacy-month-bars {
    gap: 4px;
  }
  .legacy-month-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .legacy-month-grid .log-chip:last-child {
    grid-column: 1 / -1;
  }
  .tab-divider {
    display: none;
  }
  .duration-pill-count,
  .days-col {
    font-size: 11px;
  }
}