/* ============================================
   FITNESS DASHBOARD — MAIN STYLES v2
   ============================================ */

:root {
  /* Dark mode (default) */
  --bg-base:       #080a0d;
  --bg-surface:    #0f1117;
  --bg-elevated:   #161920;
  --bg-hover:      #1c2028;
  --bg-active:     #1a2a2e;
  --border:        rgba(255,255,255,0.07);
  --border-bright: rgba(255,255,255,0.15);

  --accent:        #00e5ff;
  --accent-dim:    rgba(0,229,255,0.1);
  --accent-glow:   0 0 24px rgba(0,229,255,0.35);
  --accent-border: rgba(0,229,255,0.3);

  --green:         #00ff87;
  --green-dim:     rgba(0,255,135,0.1);
  --orange:        #ff6b2b;
  --orange-dim:    rgba(255,107,43,0.1);
  --purple:        #ff7043;
  --purple-dim:    rgba(255,112,67,0.1);
  --yellow:        #ffd600;
  --yellow-dim:    rgba(255,214,0,0.1);
  --red:           #ff3b5c;

  --gold:          #ffd700;
  --silver:        #c0c8d8;
  --bronze:        #cd7f32;

  /* Improved text contrast */
  --text-primary:  #f4f6fa;
  --text-secondary:#b8c0d0;
  --text-muted:    #c5cdd8;
  --text-faint:    #3d4560;

  --font-display:  'Syne', sans-serif;
  --font-mono:     'DM Mono', monospace;

  --radius-sm:     6px;
  --radius-md:     10px;
  --radius-lg:     16px;
  --sidebar-w:     224px;
  --transition:    0.16s ease;
}

/* Light mode - Professional Steel Grey Data Theme */
[data-theme="light"] {
  --bg-base:       #E8E8E8;
  --bg-surface:    #F1F1F1;
  --bg-elevated:   #FAFAFA;
  --bg-hover:      #E0E0E0;
  --bg-active:     #D5D5D5;
  --border:        rgba(180, 184, 197, 0.4);
  --border-bright: rgba(180, 184, 197, 0.6);

  --accent:        #007BFF;
  --accent-dim:    rgba(0, 123, 255, 0.1);
  --accent-glow:   0 0 24px rgba(0, 123, 255, 0.2);
  --accent-border: rgba(0, 123, 255, 0.3);

  --green:         #28a745;
  --green-dim:     rgba(40, 167, 69, 0.1);
  --orange:        #EA6A47;
  --orange-dim:    rgba(234, 106, 71, 0.1);
  --purple:        #ff7043;
  --purple-dim:    rgba(255, 112, 67, 0.1);
  --yellow:        #F0AD4E;
  --yellow-dim:    rgba(240, 173, 78, 0.1);
  --red:           #DC3545;

  --gold:          #F0AD4E;
  --silver:        #94a3b8;
  --bronze:        #CD7F32;

  --text-primary:  #202020;
  --text-secondary:#505050;
  --text-muted:    #7E909A;
  --text-faint:    #ADB5BD;
}

/* Light mode - Clean white cards on steel background */
[data-theme="light"] .stat-card,
[data-theme="light"] .metric-card,
[data-theme="light"] .chart-container,
[data-theme="light"] .activity-card,
[data-theme="light"] .segment-card,
[data-theme="light"] .power-curve-card {
  background: #FFFFFF;
  border: 1px solid #B4B8C5;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

/* Achievement badges - data visualization colors */
[data-theme="light"] .segment-card.achievement-gold {
  background: #FFFFFF;
  border-left: 4px solid #F0AD4E;
}

[data-theme="light"] .segment-card.achievement-silver {
  background: #FFFFFF;
  border-left: 4px solid #94a3b8;
}

[data-theme="light"] .segment-card.achievement-bronze {
  background: #FFFFFF;
  border-left: 4px solid #CD7F32;
}

/* Light mode card hover states */
[data-theme="light"] .stat-card:hover,
[data-theme="light"] .metric-card:hover,
[data-theme="light"] .activity-card:hover,
[data-theme="light"] .segment-card:hover,
[data-theme="light"] .power-curve-card:hover {
  border-color: #007BFF;
  box-shadow: 0 2px 8px rgba(0, 123, 255, 0.12);
}

/* Light mode sidebar - steel grey */
[data-theme="light"] .sidebar {
  background: #D8D8D8;
  border-right: 1px solid #B4B8C5;
}

/* Light mode page header - light steel */
[data-theme="light"] .page-header {
  background: #F1F1F1;
  border-bottom: 1px solid #B4B8C5;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-display);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-faint); border-radius: 2px; }

/* ============================================ APP */
.app { display: flex; min-height: 100vh; }

/* ============================================ SIDEBAR */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  padding: 28px 0;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 22px 32px;
}

.brand-initials {
  width: 36px; height: 36px;
  background: var(--accent);
  color: var(--bg-base);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 13px;
  flex-shrink: 0;
  box-shadow: 0 0 12px rgba(0,229,255,0.4);
}

.brand-text {
  font-size: 11px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-secondary);
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.nav-links { list-style: none; flex: 1; padding: 0 10px; display: flex; flex-direction: column; gap: 2px; }

.nav-item a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2px;
  transition: all var(--transition);
}

.nav-icon { font-size: 15px; width: 18px; text-align: center; flex-shrink: 0; }

.nav-item a:hover { background: var(--bg-hover); color: var(--text-primary); }

.nav-item.active a {
  background: var(--bg-active);
  color: var(--accent);
  box-shadow: inset 2px 0 0 var(--accent);
  text-shadow: 0 0 12px rgba(0,229,255,0.4);
}

.sidebar-footer {
  padding: 16px 22px 0;
  border-top: 1px solid var(--border);
  margin-top: 16px;
}

.theme-toggle-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2px;
  transition: all var(--transition);
  cursor: pointer;
  margin-bottom: 12px;
}

.theme-toggle-nav:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.theme-icon {
  font-size: 15px;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

.sync-status { display: flex; align-items: center; gap: 8px; }

.sync-dot {
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--green);
  animation: pulse 2.5s infinite;
}

@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

.sync-text { font-size: 11px; color: var(--text-muted); font-family: var(--font-mono); }

/* ============================================ MAIN */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 32px 36px 60px;
  max-width: 1440px;
}

/* ============================================ HEADER */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
}

.page-title {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -1.2px;
  color: #ffffff;
}

.page-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  display: block;
  margin-top: 3px;
}

.year-totals { display: flex; gap: 28px; align-items: flex-end; }

.year-stat { text-align: right; }

.year-stat-value {
  display: block;
  font-size: 22px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: -0.5px;
}

.year-stat-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================ METRIC CARDS */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: all var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}

.metric-card.fitness::before  { background: var(--accent); }
.metric-card.fatigue::before  { background: var(--orange); }
.metric-card.form::before     { background: var(--green); }
.metric-card.hrv-card::before { background: var(--purple); }
.metric-card.sleep-card::before { background: var(--yellow); }

.metric-card:hover {
  border-color: var(--border-bright);
  background: var(--bg-elevated);
  transform: translateY(-1px);
}

.metric-card.fitness:hover  { box-shadow: var(--accent-glow); }
.metric-card.fatigue:hover  { box-shadow: 0 0 24px rgba(255,107,43,0.3); }
.metric-card.form:hover     { box-shadow: 0 0 24px rgba(0,255,135,0.3); }
.metric-card.hrv-card:hover { box-shadow: 0 0 24px rgba(168,85,247,0.3); }
.metric-card.sleep-card:hover { box-shadow: 0 0 24px rgba(255,214,0,0.25); }

.metric-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.metric-value {
  font-size: 34px;
  font-weight: 800;
  font-family: var(--font-mono);
  letter-spacing: -1.5px;
  line-height: 1;
  margin-bottom: 5px;
  color: #ffffff;
}

.metric-accent { color: var(--accent) !important; }
.metric-orange { color: var(--orange) !important; }
.metric-green  { color: var(--green)  !important; }
.metric-purple { color: var(--purple) !important; }
.metric-yellow { color: var(--yellow) !important; }

.metric-delta { font-size: 11px; font-family: var(--font-mono); margin-bottom: 11px; }
.metric-delta.positive { color: var(--green); }
.metric-delta.negative { color: var(--red); }
.metric-delta.neutral  { color: var(--text-muted); }

.metric-sparkline { 
  height: 24px; 
  margin: 8px 0 10px 0; 
  position: relative;
}

.metric-sparkline svg { 
  display: block; 
  width: 100%; 
  height: 100%; 
}

.sparkline-line { 
  fill: none; 
  stroke-width: 1.5; 
  opacity: 0.8; 
}

.metric-card.fitness .sparkline-line  { stroke: var(--accent); }
.metric-card.fatigue .sparkline-line  { stroke: var(--orange); }
.metric-card.form .sparkline-line     { stroke: var(--green); }
.metric-card.hrv-card .sparkline-line { stroke: var(--purple); }
.metric-card.sleep-card .sparkline-line { stroke: var(--yellow); }


.metric-bar { height: 3px; background: var(--bg-hover); border-radius: 2px; margin-bottom: 9px; overflow: hidden; }
.metric-bar-fill { height: 100%; border-radius: 2px; transition: width 1.2s cubic-bezier(0.4,0,0.2,1); }

.metric-card.fitness  .metric-bar-fill { background: var(--accent); }
.metric-card.fatigue  .metric-bar-fill { background: var(--orange); }
.metric-card.form     .metric-bar-fill { background: var(--green); }
.metric-card.hrv-card .metric-bar-fill { background: var(--purple); }
.metric-card.sleep-card .metric-bar-fill { background: var(--yellow); }

.metric-sub { font-size: 10px; color: var(--text-secondary); font-family: var(--font-mono); }

/* ============================================ CHART CARDS */
.charts-row { display: grid; gap: 12px; margin-bottom: 18px; }
.charts-row.two-one { grid-template-columns: 2fr 1fr; }
.charts-row.halves  { grid-template-columns: 1fr 1fr; }
.charts-row.thirds  { grid-template-columns: 1fr 1fr 1fr; }
.charts-row.full    { grid-template-columns: 1fr; }

.chart-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color var(--transition);
}

.chart-card:hover { border-color: var(--border-bright); }

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}

.chart-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.chart-legend { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.legend-item {
  font-size: 10px;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 500;
}

.legend-item.ctl    { color: var(--accent);  background: var(--accent-dim); }
.legend-item.atl    { color: var(--orange);  background: var(--orange-dim); }
.legend-item.tsb    { color: var(--green);   background: var(--green-dim); }
.legend-item.ride   { color: var(--accent);  background: var(--accent-dim); }
.legend-item.run    { color: var(--green);   background: var(--green-dim); }
.legend-item.row-l  { color: var(--purple);  background: var(--purple-dim); }
.legend-item.hrv-l  { color: var(--accent);  background: var(--accent-dim); }
.legend-item.sleep-l{ color: var(--yellow);  background: var(--yellow-dim); }

.chart-wrap { position: relative; height: 190px; }
.chart-wrap.tall    { height: 260px; }
.chart-wrap.short   { height: 140px; }

/* ============================================ TOGGLE BUTTONS */
.toggle-group {
  display: flex;
  gap: 3px;
  background: var(--bg-elevated);
  padding: 3px;
  border-radius: var(--radius-sm);
}

.toggle-btn {
  padding: 4px 12px;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.toggle-btn.active {
  background: var(--accent);
  color: var(--bg-base);
  font-weight: 700;
}

/* ============================================ SECTIONS */
.section { margin-bottom: 26px; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.section-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: #ffffff;
}

.section-meta {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ============================================ ACTIVITY CARDS */
.activity-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px;
}

.activity-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
}

.activity-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  opacity: 0;
  transition: opacity var(--transition);
}

.activity-card:hover {
  border-color: var(--accent-border);
  background: var(--bg-elevated);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.5), var(--accent-glow);
}

.activity-card-type {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 7px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.type-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }

.activity-card-name {
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 11px;
  color: #ffffff;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.activity-card-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }

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

.activity-stat-value {
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -0.4px;
  color: #ffffff;
}

.activity-stat-label {
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 1px;
}

.activity-card-footer {
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
}

.activity-card-footer .tss-val { color: var(--text-secondary); }

/* Upcoming event cards - half height */
.upcoming-cards .activity-card {
  padding: 8px 12px;
  min-height: auto;
}

.upcoming-cards .activity-card-type {
  font-size: 9px;
  margin-bottom: 4px;
  letter-spacing: 1px;
}

.upcoming-cards .type-dot {
  width: 5px;
  height: 5px;
}

.upcoming-cards .activity-card-name {
  font-size: 11px;
  margin-bottom: 6px;
  font-weight: 600;
}

.upcoming-cards .activity-card-stats {
  gap: 5px;
  grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
}

.upcoming-cards .activity-stat-value {
  font-size: 12px;
  font-weight: 700;
}

.upcoming-cards .activity-stat-label {
  font-size: 8px;
  letter-spacing: 0.6px;
}

.upcoming-cards .activity-card-footer {
  margin-top: 6px;
  padding-top: 6px;
  font-size: 9px;
}

/* Upcoming cards visual distinction */
.upcoming-cards .activity-card {
  border-left: 3px solid transparent;
  border-left-color: rgba(108, 99, 255, 0.4);
  opacity: 0.95;
}

.upcoming-cards .activity-card:hover {
  opacity: 1;
  border-left-color: var(--accent);
}

/* Type color system */
.type-ride    { color: var(--accent); }
.type-run     { color: var(--green); }
.type-row     { color: var(--purple); }
.type-workout { color: var(--orange); }
.type-walk    { color: var(--yellow); }
.type-default { color: var(--text-muted); }

.dot-ride     { background: var(--accent); box-shadow: 0 0 4px var(--accent); }
.dot-run      { background: var(--green);  box-shadow: 0 0 4px var(--green); }
.dot-row      { background: var(--purple); box-shadow: 0 0 4px var(--purple); }
.dot-workout  { background: var(--orange); box-shadow: 0 0 4px var(--orange); }
.dot-walk     { background: var(--yellow); }
.dot-default  { background: var(--text-muted); }

/* ============================================ CALENDAR (TRUE DATE VIEW) */
.calendar-wrap {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  overflow-x: auto;
}

.calendar-month-header {
  display: grid;
  grid-template-columns: 52px repeat(7, 1fr) 72px;
  gap: 4px;
  margin-bottom: 6px;
}

.cal-day-header {
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
  padding: 3px 0;
}

.calendar-row {
  display: grid;
  grid-template-columns: 52px repeat(7, 1fr) 72px;
  gap: 4px;
  margin-bottom: 4px;
}

.cal-week-num {
  font-size: 10px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  padding-right: 6px;
}

.cal-day-cell {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 5px 6px;
  min-height: 54px;
  transition: all var(--transition);
  position: relative;
}

.cal-day-cell.empty { opacity: 0.3; }

/* Base activity day (neutral) */
.cal-day-cell.has-activity {
  border-color: var(--border);
  background: var(--bg-elevated);
}

/* Fresh / positive form */
.cal-day-cell.fresh {
  border-color: rgba(0,255,135,0.35);
  background: rgba(0,255,135,0.12);
}

/* Tired / fatigued */
.cal-day-cell.tired {
  border-color: rgba(0,229,255,0.35);
  background: rgba(0,229,255,0.12);
}

.cal-day-cell.fresh:hover {
  border-color: rgba(0,255,135,0.6);
  box-shadow: 0 0 14px rgba(0,255,135,0.35);
  transform: translateY(-1px);
  cursor: pointer;
}

.cal-day-cell.tired:hover {
  border-color: rgba(0,229,255,0.6);
  box-shadow: 0 0 14px rgba(0,229,255,0.35);
  transform: translateY(-1px);
  cursor: pointer;
}

.cal-day-cell.has-activity:hover {
  transform: translateY(-1px);
  cursor: pointer;
}


.cal-date-num {
  font-size: 9px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  margin-bottom: 3px;
}

.cal-day-cell.today .cal-date-num {
  color: var(--accent);
  font-weight: 700;
}

.cal-activity-mini {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.cal-mini-name {
  font-size: 9px;
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
}

.cal-mini-stats {
  font-size: 9px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Planned event styling */
.cal-planned {
  opacity: 1;  /* Full opacity for better readability */
}

.cal-mini-name.planned {
  font-style: italic;
  color: var(--accent);
  font-weight: 600;  /* Slightly bolder for better visibility */
  opacity: 1;  /* Full opacity for readability */
}

.cal-mini-stats.planned {
  font-style: italic;
  color: var(--text-secondary);  /* Use secondary text color instead of muted */
  opacity: 1;  /* Full opacity for readability */
  font-weight: 500;  /* Slightly bolder */
}

.cal-week-total {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 5px 8px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 2px;
}

.cal-week-tss {
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
}

.cal-week-label {
  font-size: 9px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cal-week-dist {
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ============================================ HEATMAP */
.heatmap-wrap {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  overflow-x: auto;
}

.heatmap-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.heatmap-months {
  display: flex;
  padding-left: 22px;
  margin-bottom: 4px;
  min-width: 700px;
}

.heatmap-month-label {
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.heatmap-days-labels {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-right: 6px;
}

.heatmap-day-label {
  font-size: 9px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  height: 13px;
  display: flex;
  align-items: center;
}

.heatmap-body { display: flex; gap: 0; }

.heatmap-grid {
  display: grid;
  grid-template-rows: repeat(7, 13px);
  grid-auto-flow: column;
  gap: 3px;
  min-width: 700px;
}

.heatmap-cell {
  width: 13px; height: 13px;
  border-radius: 2px;
  background: var(--bg-elevated);
  transition: all 0.12s ease;
  cursor: pointer;
}

.heatmap-cell:hover { transform: scale(1.4); z-index: 10; position: relative; }
.heatmap-cell[data-level="1"] { background: rgba(0,229,255,0.12); }
.heatmap-cell[data-level="2"] { background: rgba(0,229,255,0.28); }
.heatmap-cell[data-level="3"] { background: rgba(0,229,255,0.48); }
.heatmap-cell[data-level="4"] { background: rgba(0,229,255,0.68); }
.heatmap-cell[data-level="5"] { background: rgba(0,229,255,0.92); box-shadow: 0 0 5px rgba(0,229,255,0.5); }

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  justify-content: flex-end;
}

.heatmap-legend-label { font-size: 10px; color: var(--text-muted); font-family: var(--font-mono); }

.heatmap-legend-cells { display: flex; gap: 3px; }

.heatmap-legend-cell {
  width: 13px; height: 13px;
  border-radius: 2px;
}

/* ============================================ BESTS */
.tab-group {
  display: flex;
  gap: 3px;
  background: var(--bg-elevated);
  padding: 3px;
  border-radius: var(--radius-sm);
}

.tab {
  padding: 5px 14px;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

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

.tab.active {
  background: var(--accent);
  color: var(--bg-base);
  font-weight: 700;
}

.bests-container {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.bests-container.hidden { display: none; }
.bests-chart-wrap { position: relative; height: 260px; }

.bests-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  align-content: start;
  max-height: 260px;
  overflow-y: auto;
}

.best-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.best-row:hover { border-color: var(--accent-border); background: var(--accent-dim); }

.best-duration { font-size: 10px; color: var(--text-secondary); font-family: var(--font-mono); }
.best-value { font-size: 13px; font-weight: 700; font-family: var(--font-mono); color: var(--accent); }

/* ============================================ PB CROWN MARKERS */
.pb-marker {
  position: absolute;
  bottom: 0;
  transform: translateX(-50%);
  font-size: 10px;
  cursor: pointer;
  z-index: 5;
  transition: transform 0.12s ease;
}

.pb-marker:hover { transform: translateX(-50%) scale(1.4); }
.pb-gold   { filter: drop-shadow(0 0 4px var(--gold)); }
.pb-silver { filter: drop-shadow(0 0 3px var(--silver)); }
.pb-bronze { filter: drop-shadow(0 0 3px var(--bronze)); }

/* ============================================ SEGMENTS */
.segment-list { display: flex; flex-direction: column; gap: 6px; }

.segment-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto auto;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.segment-row:hover {
  border-color: var(--border-bright);
  background: var(--bg-elevated);
  transform: translateX(2px);
}

.segment-name { font-size: 13px; font-weight: 600; color: #ffffff; }
.segment-dist { font-size: 10px; color: var(--text-muted); font-family: var(--font-mono); margin-top: 2px; }

.segment-stat { text-align: right; }
.segment-stat-value { font-size: 13px; font-weight: 700; font-family: var(--font-mono); color: var(--accent); display: block; }
.segment-stat-label { font-size: 9px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

.pr-badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 2px 7px;
  border-radius: 3px;
  background: rgba(255,214,0,0.12);
  color: var(--yellow);
  border: 1px solid rgba(255,214,0,0.25);
}

/* ============================================ UTILITIES */
.hidden { display: none !important; }

@media (max-width: 1200px) {
  .metrics-row { grid-template-columns: repeat(3, 1fr); }
  .charts-row.two-one { grid-template-columns: 1fr; }
  .bests-container { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  :root { --sidebar-w: 56px; }
  .brand-text, .nav-item a span:last-child { display: none; }
  .sidebar-brand { padding: 0 8px 24px; justify-content: center; }
  .nav-item a { justify-content: center; }
  .main-content { padding: 20px 16px 40px; }
  .metrics-row { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   V3 CONTRAST & LAYOUT FIXES
   ============================================ */

/* Metric card labels — brighter, matches page title style */
.metric-label {
  font-size: 10px !important;
  font-weight: 700 !important;
  letter-spacing: 1.5px !important;
  color: var(--text-secondary) !important;
  text-transform: uppercase !important;
}

/* Metric sub text — brighter */
.metric-sub {
  font-size: 10px !important;
  color: var(--text-secondary) !important;
  font-family: var(--font-mono) !important;
}

/* YTD breakdown sub-stats */
.ytd-breakdown {
  display: flex;
  gap: 20px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.ytd-sport {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.ytd-sport-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.ytd-sport-stats {
  display: flex;
  gap: 10px;
}

.ytd-mini {
  text-align: right;
}

.ytd-mini-val {
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font-mono);
  display: block;
}

.ytd-mini-lbl {
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.ytd-sport.cycling .ytd-mini-val { color: var(--accent); }
.ytd-sport.running .ytd-mini-val { color: var(--green); }

/* Metrics row — allow wrapping to 2 equal rows */
.metrics-row {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)) !important;
  gap: 10px !important;
}

/* Manual sync button */
.sync-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.sync-btn:hover {
  background: var(--accent-dim);
  border-color: var(--accent-border);
  color: var(--accent);
  box-shadow: var(--accent-glow);
}

.sync-btn.syncing {
  pointer-events: none;
  opacity: 0.6;
}

.sync-btn .sync-icon {
  font-size: 14px;
  transition: transform 0.6s ease;
}

.sync-btn.syncing .sync-icon {
  animation: spin 1s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Loading state */
.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  gap: 16px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.loading-spinner {
  width: 32px; height: 32px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.error-state {
  padding: 20px;
  background: rgba(255,59,92,0.08);
  border: 1px solid rgba(255,59,92,0.2);
  border-radius: var(--radius-md);
  color: var(--red);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* Garmin attribution footer */
.garmin-note {
  font-size: 10px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  text-align: center;
  padding: 16px 0 0;
  border-top: 1px solid var(--border);
  margin-top: 32px;
}

/* ============================================
   SEGMENT DISPLAY STYLES
   Achievement-focused segment tracking
   ============================================ */

.segment-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border);
}

.segment-header h3 {
  margin: 0 0 0.25rem 0;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.segment-date {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.segment-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.segment-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  transition: all 0.2s ease;
}

.segment-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Achievement card highlights */
.segment-card.achievement-gold {
  border-left: 4px solid #FFD700;
  background: linear-gradient(to right, rgba(255,215,0,0.05), var(--bg-secondary));
}

.segment-card.achievement-silver {
  border-left: 4px solid #C0C0C0;
  background: linear-gradient(to right, rgba(192,192,192,0.05), var(--bg-secondary));
}

.segment-card.achievement-bronze {
  border-left: 4px solid #CD7F32;
  background: linear-gradient(to right, rgba(205,127,50,0.05), var(--bg-secondary));
}

.segment-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  gap: 0.5rem;
}

.segment-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  flex: 1;
}

.segment-badges {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
}

.achievement-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-gold {
  background: #FFD700;
  color: #000;
}

.badge-silver {
  background: #C0C0C0;
  color: #000;
}

.badge-bronze {
  background: #CD7F32;
  color: #fff;
}

.climb-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--accent);
  color: white;
}

.kom-badge {
  display: inline-flex;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  background: #FC4C02;
  color: white;
}

.segment-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.segment-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pr-comparison {
  padding: 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pr-comparison.pr-faster {
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.pr-comparison.pr-slower {
  background: rgba(249, 115, 22, 0.1);
  color: #ea580c;
  border: 1px solid rgba(249, 115, 22, 0.2);
}

.pr-icon {
  font-size: 1.25rem;
}

.effort-count {
  text-align: center;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.no-data {
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
  font-style: italic;
}

/* ============================================ THEME TOGGLE */
.theme-toggle {
  position: relative;
  width: 56px;
  height: 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-bright);
  border-radius: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle:hover {
  background: var(--bg-hover);
  border-color: var(--accent-border);
}

.theme-toggle-slider {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  background: var(--accent);
  border-radius: 50%;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

[data-theme="light"] .theme-toggle-slider {
  transform: translateX(28px);
}

.theme-toggle-icon {
  font-size: 14px;
  line-height: 1;
}

/* Light mode - Force all text to be dark/readable */
[data-theme="light"] * {
  color: #202020;
}

[data-theme="light"] .text-primary,
[data-theme="light"] .page-title,
[data-theme="light"] .stat-value,
[data-theme="light"] .metric-value,
[data-theme="light"] h1, 
[data-theme="light"] h2, 
[data-theme="light"] h3,
[data-theme="light"] .nav-item a {
  color: #202020 !important;
}

[data-theme="light"] .text-secondary,
[data-theme="light"] .stat-label,
[data-theme="light"] .page-subtitle {
  color: #505050 !important;
}

[data-theme="light"] .text-muted,
[data-theme="light"] .sync-text {
  color: #7E909A !important;
}

[data-theme="light"] .brand-text {
  color: #202020 !important;
}

/* Activity card type colors */
.cycling { color: var(--accent); }
.running { color: var(--green); }
.rowing { color: var(--purple); }
.cardio { color: var(--orange); }
.other { color: var(--text-muted); }

.dot-cycling { background: var(--accent); }
.dot-running { background: var(--green); }
.dot-rowing { background: var(--purple); }
.dot-cardio { background: var(--orange); }
.dot-other { background: var(--text-muted); }