/* ==========================================================================
   TrailTrack - Premium Light design system
   Light-first / outdoor sport PWA
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */

:root {
  /* Core palette (light default) */
  --color-bg: #F6F8F7;
  --color-surface: #FFFFFF;
  --color-surface-secondary: #F1F5F3;
  --color-surface-elevated: #FFFFFF;

  --color-text: #101816;
  --color-text-secondary: #64716C;
  --color-text-tertiary: #8A9690;

  --color-primary: #16C784;
  --color-primary-hover: #12A86D;
  --color-primary-soft: rgba(22, 199, 132, 0.12);

  --color-danger: #E5484D;
  --color-warning: #F5A623;
  --color-success: #16C784;

  --color-border: #E3EAE6;
  --color-divider: #E3EAE6;

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 22px;

  --shadow-sm: 0 1px 2px rgba(16, 24, 22, 0.06), 0 1px 3px rgba(16, 24, 22, 0.04);
  --shadow-md: 0 4px 12px rgba(16, 24, 22, 0.08), 0 2px 4px rgba(16, 24, 22, 0.04);
  --shadow-floating: 0 12px 40px rgba(16, 24, 22, 0.12), 0 4px 12px rgba(16, 24, 22, 0.06);

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;

  /* Layout */
  --nav-h: 72px;
  --side-nav-w: 240px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --container-max: 1200px;

  /* Typography */
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: var(--font);

  /* Map / GPS */
  --map-filter: none;
  --gps-good: #16C784;
  --gps-medium: #F5A623;
  --gps-poor: #E5484D;

  /* Activity accent hues */
  --accent-moto: #E85D04;
  --accent-bike: #16C784;
  --accent-run: #3B82F6;
  --accent-walk: #8B5CF6;
  --accent-hike: #059669;
  --accent-other: #64716C;

  /* Backward-compatible aliases */
  --background: var(--color-bg);
  --surface: var(--color-surface);
  --surface-secondary: var(--color-surface-secondary);
  --surface-elevated: var(--color-surface-elevated);
  --text: var(--color-text);
  --text-muted: var(--color-text-secondary);
  --accent: var(--color-primary);
  --accent-dim: var(--color-primary-hover);
  --accent-contrast: #FFFFFF;
  --danger: var(--color-danger);
  --warning: var(--color-warning);
  --success: var(--color-success);
  --border: var(--color-border);
  --radius: var(--radius-md);
  --shadow: var(--shadow-md);
}

[data-theme="dark"] {
  --color-bg: #0E1412;
  --color-surface: #161F1C;
  --color-surface-secondary: #1E2A26;
  --color-surface-elevated: #243530;

  --color-text: #E8F0EC;
  --color-text-secondary: #9AABA3;
  --color-text-tertiary: #6B7A73;

  --color-primary: #2DD88A;
  --color-primary-hover: #22B873;
  --color-primary-soft: rgba(45, 216, 138, 0.14);

  --color-danger: #FF6B6B;
  --color-warning: #F0B429;
  --color-success: #2DD88A;

  --color-border: rgba(232, 240, 236, 0.12);
  --color-divider: rgba(232, 240, 236, 0.08);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-floating: 0 16px 48px rgba(0, 0, 0, 0.45);

  --accent-contrast: #04140C;
  --map-filter: brightness(0.92) contrast(1.05);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #0E1412;
    --color-surface: #161F1C;
    --color-surface-secondary: #1E2A26;
    --color-surface-elevated: #243530;

    --color-text: #E8F0EC;
    --color-text-secondary: #9AABA3;
    --color-text-tertiary: #6B7A73;

    --color-primary: #2DD88A;
    --color-primary-hover: #22B873;
    --color-primary-soft: rgba(45, 216, 138, 0.14);

    --color-danger: #FF6B6B;
    --color-warning: #F0B429;
    --color-success: #2DD88A;

    --color-border: rgba(232, 240, 236, 0.12);
    --color-divider: rgba(232, 240, 236, 0.08);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-floating: 0 16px 48px rgba(0, 0, 0, 0.45);

    --accent-contrast: #04140C;
    --map-filter: brightness(0.92) contrast(1.05);
  }
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */

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

html {
  height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(900px 480px at 0% -5%, rgba(22, 199, 132, 0.08), transparent 55%),
    radial-gradient(700px 400px at 100% 0%, rgba(22, 199, 132, 0.05), transparent 50%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

.tt-icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  color: currentColor;
}

.tt-icon svg,
svg.tt-icon {
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------------------------
   3. App shell & layout
   -------------------------------------------------------------------------- */

.app-shell {
  min-height: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-bottom: calc(var(--nav-h) + var(--safe-bottom) + 12px);
}

.app-shell.tracking-mode {
  padding-bottom: 0;
}

.app-shell.tracking-mode .bottom-nav {
  display: none;
}

.app-shell.has-sidebar {
  flex-direction: row;
  align-items: stretch;
}

.container {
  width: min(var(--container-max), 100%);
  margin-inline: auto;
  padding: 16px 16px 24px;
}

.main-content {
  flex: 1;
  min-width: 0;
  width: 100%;
}

@media (min-width: 1024px) {
  .app-shell:not(.tracking-mode) {
    padding-bottom: 24px;
  }

  .app-shell.has-sidebar .main-content,
  .app-shell:has(.side-nav) .main-content {
    margin-left: var(--side-nav-w);
  }

  .container {
    padding: 24px 32px 32px;
  }
}

/* --------------------------------------------------------------------------
   4. Side navigation (desktop)
   -------------------------------------------------------------------------- */

.side-nav {
  display: none;
}

@media (min-width: 1024px) {
  .side-nav {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--side-nav-w);
    padding: 24px 16px;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    z-index: 30;
    gap: 4px;
  }

  .side-nav .brand {
    margin-bottom: 24px;
    padding: 0 8px;
  }

  .side-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast);
  }

  .side-nav a:hover {
    background: var(--color-surface-secondary);
    color: var(--color-text);
    text-decoration: none;
  }

  .side-nav a.active {
    background: var(--color-primary-soft);
    color: var(--color-primary-hover);
  }

  .side-nav .side-nav-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
  }

  .side-nav .side-brand {
    display: block;
    margin-bottom: 28px;
    padding: 0 8px;
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.03em;
    color: var(--color-text);
    text-decoration: none;
  }

  .side-nav .side-brand span { color: var(--color-primary); }

  .side-nav a.side-start {
    background: var(--color-primary-soft);
    color: var(--color-primary-hover);
  }

  .side-nav .side-user {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: auto;
    padding: 14px 10px 4px;
    border-top: 1px solid var(--color-border);
  }

  .side-nav .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--color-primary-soft);
    color: var(--color-primary-hover);
    font-weight: 700;
    flex-shrink: 0;
  }

  .side-user-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.2;
  }

  .side-user-email {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 140px;
  }

  .side-nav .nav-start-side {
    margin-top: auto;
    background: var(--color-primary);
    color: var(--accent-contrast);
    justify-content: center;
    box-shadow: var(--shadow-sm);
  }

  .side-nav .nav-start-side:hover {
    background: var(--color-primary-hover);
    color: var(--accent-contrast);
  }
}

/* --------------------------------------------------------------------------
   5. Top bar (mobile)
   -------------------------------------------------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 56px;
  padding: 8px 16px;
  padding-top: max(8px, env(safe-area-inset-top));
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 25;
}

.topbar .brand {
  font-size: 1.125rem;
}

@media (min-width: 1024px) {
  .topbar {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   6. Bottom navigation (mobile floating)
   -------------------------------------------------------------------------- */

.bottom-nav {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(8px + var(--safe-bottom));
  height: calc(var(--nav-h) - 8px);
  padding: 6px 8px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
  z-index: 40;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-floating);
}

[data-theme="dark"] .bottom-nav {
  background: rgba(22, 31, 28, 0.92);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .bottom-nav {
    background: rgba(22, 31, 28, 0.92);
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .bottom-nav {
    background: var(--color-surface);
  }
}

.bottom-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  min-height: 44px;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.bottom-nav a:hover {
  text-decoration: none;
  color: var(--color-text);
}

.bottom-nav a.active {
  color: var(--color-primary);
}

.bottom-nav .nav-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.bottom-nav .nav-start {
  transform: translateY(-6px);
}

.bottom-nav .nav-start .start-fab {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--color-primary);
  color: var(--accent-contrast);
  font-size: 1.25rem;
  box-shadow: var(--shadow-md);
  border: 3px solid var(--color-bg);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.bottom-nav .nav-start:hover .start-fab {
  background: var(--color-primary-hover);
}

.bottom-nav .nav-start:active .start-fab {
  transform: scale(0.96);
}

@media (min-width: 1024px) {
  .bottom-nav {
    display: none !important;
  }
}

/* --------------------------------------------------------------------------
   7. Typography: headers, brand, sections
   -------------------------------------------------------------------------- */

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.page-header h1 {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--color-text);
}

.page-header .sub {
  margin: 6px 0 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.45;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
}

.brand span {
  color: var(--color-primary);
}

.section-title {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 28px 0 12px;
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   8. Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  background: var(--color-surface-secondary);
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition:
    transform var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    opacity var(--transition-fast);
}

.btn:hover:not(:disabled) {
  background: var(--color-border);
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--accent-contrast);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-surface-secondary);
  border-color: var(--color-text-tertiary);
}

.btn-tertiary {
  background: transparent;
  color: var(--color-primary);
}

.btn-tertiary:hover:not(:disabled) {
  background: var(--color-primary-soft);
}

.btn-danger {
  background: var(--color-danger);
  color: #FFFFFF;
}

.btn-danger:hover:not(:disabled) {
  filter: brightness(0.95);
}

.btn-ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface-secondary);
}

.btn-icon {
  min-width: 48px;
  width: 48px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  min-height: 52px;
  font-size: 1rem;
  padding: 0 24px;
}

.btn-xl {
  min-height: 64px;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  width: 100%;
  border-radius: var(--radius-xl);
}

.btn-pause,
#btn-pause {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-weight: 700;
}

.btn-pause:hover:not(:disabled),
#btn-pause:hover:not(:disabled) {
  background: var(--color-surface-secondary);
}

/* --------------------------------------------------------------------------
   9. Stop button + hold progress
   -------------------------------------------------------------------------- */

.btn-stop,
#btn-stop {
  position: relative;
  overflow: hidden;
  background: var(--color-danger);
  color: #FFFFFF;
  font-weight: 700;
  isolation: isolate;
}

.btn-stop .hold-progress,
#btn-stop .hold-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 0%;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 0 2px 2px 0;
  pointer-events: none;
  transition: width 900ms linear;
}

.btn-stop.holding .hold-progress,
#btn-stop.holding .hold-progress {
  width: 100%;
}

.btn-stop::after,
#btn-stop::after {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: calc(var(--radius-lg) - 2px);
  border: 2px solid transparent;
  pointer-events: none;
  transition: border-color var(--transition-fast);
}

.btn-stop.holding::after,
#btn-stop.holding::after {
  border-color: rgba(255, 255, 255, 0.35);
  animation: hold-ring-pulse 900ms linear forwards;
}

@keyframes hold-ring-pulse {
  from { opacity: 0.4; }
  to { opacity: 1; }
}

/* --------------------------------------------------------------------------
   10. Cards, stats, hero
   -------------------------------------------------------------------------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

.card + .card {
  margin-top: 12px;
}

.hero-card {
  display: block;
  padding: 24px 20px;
  margin-bottom: 24px;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, var(--color-primary-soft), var(--color-surface));
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hero-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-floating);
  text-decoration: none;
}

.hero-card .hero-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.hero-card .hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.stat-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 16px 14px;
  box-shadow: var(--shadow-sm);
}

.stat .label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-secondary);
  font-weight: 600;
}

.stat .value {
  font-size: clamp(1.375rem, 3.5vw, 1.75rem);
  font-weight: 700;
  margin-top: 6px;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
  line-height: 1.15;
}

/* --------------------------------------------------------------------------
   11. Chips
   -------------------------------------------------------------------------- */

.chip-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.chip-row::-webkit-scrollbar {
  display: none;
}

.chip {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.8125rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.chip:hover {
  border-color: var(--color-text-tertiary);
  color: var(--color-text);
  text-decoration: none;
}

.chip.active {
  background: var(--color-primary);
  color: var(--accent-contrast);
  border-color: transparent;
}

/* --------------------------------------------------------------------------
   12. Activity & type cards
   -------------------------------------------------------------------------- */

.type-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.type-card {
  appearance: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 22px 14px;
  text-align: center;
  cursor: pointer;
  min-height: 112px;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--transition-fast),
    transform var(--transition-normal),
    box-shadow var(--transition-normal);
}

.type-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.type-card:active {
  transform: scale(0.98);
}

.type-card .icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 8px;
}

.type-card .name {
  font-weight: 700;
  font-size: 0.9375rem;
}

.type-card.accent-moto,
.accent-moto.type-card { --type-accent: var(--accent-moto); }
.type-card.accent-bike,
.accent-bike.type-card { --type-accent: var(--accent-bike); }
.type-card.accent-run,
.accent-run.type-card { --type-accent: var(--accent-run); }
.type-card.accent-walk,
.accent-walk.type-card { --type-accent: var(--accent-walk); }
.type-card.accent-hike,
.accent-hike.type-card { --type-accent: var(--accent-hike); }
.type-card.accent-other,
.accent-other.type-card { --type-accent: var(--accent-other); }

.type-card[class*="accent-"] {
  border-color: color-mix(in srgb, var(--type-accent, var(--color-border)) 35%, var(--color-border));
  border-top: 3px solid var(--type-accent, var(--color-primary));
}
.type-card[class*="accent-"] .icon {
  color: var(--type-accent, var(--color-primary));
}
.type-card.selected,
.type-card:focus-visible {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  box-shadow: var(--shadow-sm);
  outline: none;
}

.activity-card {
  display: block;
  color: inherit;
  text-decoration: none;
  padding: 16px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-fast);
}

.activity-card + .activity-card {
  margin-top: 10px;
}

.activity-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-text-tertiary);
  text-decoration: none;
}

.activity-card .title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
}

.activity-card .meta {
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  margin: 6px 0 12px;
}

.activity-card .metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.activity-card .metrics strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   13. Forms
   -------------------------------------------------------------------------- */

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  min-height: 50px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 16px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
  line-height: 1.45;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364716C' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 44px;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.form-error {
  background: rgba(229, 72, 77, 0.1);
  color: var(--color-danger);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  font-size: 0.875rem;
  border: 1px solid rgba(229, 72, 77, 0.2);
}

.form-hint {
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  margin-top: 6px;
  line-height: 1.4;
}

.star-rating {
  display: flex;
  gap: 4px;
}

.star-rating button {
  background: none;
  border: none;
  font-size: 1.75rem;
  cursor: pointer;
  opacity: 0.3;
  min-width: 44px;
  min-height: 44px;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.star-rating button.on {
  opacity: 1;
}

.star-rating button:active {
  transform: scale(0.92);
}

/* --------------------------------------------------------------------------
   14. Auth
   -------------------------------------------------------------------------- */

.auth-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  background:
    radial-gradient(800px 500px at 50% -20%, rgba(22, 199, 132, 0.1), transparent 60%),
    var(--color-bg);
}

.auth-card {
  width: min(420px, 100%);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  box-shadow: var(--shadow-floating);
}

.auth-card h1 {
  margin: 8px 0 6px;
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.auth-card .lead {
  color: var(--color-text-secondary);
  margin: 0 0 24px;
  font-size: 0.9375rem;
}

/* --------------------------------------------------------------------------
   15. Filter toolbar (history)
   -------------------------------------------------------------------------- */

.filter-toolbar,
form.card {
  /* history filter form uses .card */
}

.filter-toolbar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   16. Personal records
   -------------------------------------------------------------------------- */

.pr-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 10px;
}

.pr-card .pr-trophy {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 1.25rem;
}

.pr-card .pr-body {
  flex: 1;
  min-width: 0;
}

.pr-card .pr-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  font-weight: 600;
}

.pr-card .pr-value {
  font-size: 1.375rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-top: 4px;
}

/* --------------------------------------------------------------------------
   17. Recovery banner
   -------------------------------------------------------------------------- */

.recovery-banner {
  background: linear-gradient(135deg, rgba(245, 166, 35, 0.12), var(--color-primary-soft));
  border: 1px solid rgba(245, 166, 35, 0.35);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 16px;
}

.recovery-banner h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
}

.recovery-banner p {
  margin: 0 0 14px;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

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

/* --------------------------------------------------------------------------
   18. Tracking screen
   -------------------------------------------------------------------------- */

.track-screen {
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  overflow: hidden;
}

.track-map {
  flex: 0 0 58%;
  min-height: 240px;
  position: relative;
}

.track-map #map {
  width: 100%;
  height: 100%;
}

.track-map .leaflet-container {
  background: #DDE5E0;
  font-family: var(--font);
}

[data-theme="dark"] .track-map .leaflet-container {
  background: #0e1a16;
}

.map-float {
  position: absolute;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.map-float > * {
  pointer-events: auto;
}

.map-float.top-left {
  top: max(12px, env(safe-area-inset-top));
  left: 12px;
}

.map-float.top-right {
  top: max(12px, env(safe-area-inset-top));
  right: 12px;
}

.map-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--color-text);
  font-size: 1.1rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .map-btn {
    background: var(--color-surface);
  }
}

.map-btn svg {
  width: 22px;
  height: 22px;
}

.map-btn:hover {
  background: var(--color-surface);
}

.map-btn:active {
  transform: scale(0.96);
}

.map-btn[aria-pressed="true"] {
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
  border-color: var(--color-primary);
}

/* Status pills */
.status-pill,
.gps-badge,
.sync-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-sm);
  color: var(--color-text-secondary);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .status-pill,
  .gps-badge,
  .sync-status {
    background: var(--color-surface);
  }
}

.gps-badge .dot,
.status-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gps-medium);
  flex-shrink: 0;
}

.gps-badge.good .dot,
.status-pill.good .dot { background: var(--gps-good); }
.gps-badge.medium .dot,
.status-pill.medium .dot { background: var(--gps-medium); }
.gps-badge.poor .dot,
.status-pill.poor .dot { background: var(--gps-poor); }

.sync-status.offline,
.sync-status.error { color: var(--color-warning); }
.sync-status.syncing { color: var(--color-primary); }
.sync-status.ok { color: var(--color-success); }

.lock-overlay {
  display: none !important; /* legacy — map must stay interactive */
}

.panel-lock-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-border);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.panel-lock-bar[hidden] {
  display: none !important;
}

.panel-lock-bar .btn {
  min-height: 40px;
  padding: 0 14px;
  font-size: 0.8125rem;
}

.track-panel.panel-locked .track-actions,
.track-panel.panel-locked #metric-chips {
  pointer-events: none;
  opacity: 0.45;
}

.track-panel.panel-locked .panel-lock-bar {
  pointer-events: auto;
  opacity: 1;
}

/* Metric panel (track panel) */
.track-panel,
.metric-panel {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-radius: 22px 22px 0 0;
  padding: 16px 16px calc(16px + var(--safe-bottom));
  box-shadow: 0 -8px 32px rgba(16, 24, 22, 0.08);
  margin-top: -12px;
  position: relative;
  z-index: 10;
}

.track-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.track-stat {
  text-align: center;
  padding: 10px 6px;
  border-radius: var(--radius-md);
  background: var(--color-surface-secondary);
  border: 1px solid transparent;
  cursor: pointer;
  min-height: 68px;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.track-stat:hover {
  border-color: var(--color-border);
}

.track-stat .t-label {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  font-weight: 700;
}

.track-stat .t-value {
  font-weight: 700;
  font-size: clamp(0.9375rem, 2.5vw, 1.125rem);
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.track-actions {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  grid-template-rows: auto auto;
  gap: 8px;
}

.track-actions .btn:nth-child(1),
.track-actions .btn:nth-child(2) {
  min-height: 54px;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: var(--radius-md);
}

.track-actions .btn:nth-child(3),
.track-actions .btn:nth-child(4) {
  min-height: 44px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.track-actions .btn:nth-child(3) {
  grid-column: 1;
}

.track-actions .btn:nth-child(4) {
  grid-column: 2;
}

/* --------------------------------------------------------------------------
   19. Map frames & Leaflet
   -------------------------------------------------------------------------- */

.map-frame {
  height: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  position: relative;
  background: var(--color-surface-secondary);
  box-shadow: var(--shadow-sm);
}

.map-frame.tall {
  height: 360px;
}

.map-frame .leaflet-container,
.map-frame #save-map-canvas {
  width: 100%;
  height: 100%;
  min-height: 280px;
  background: #DDE5E0;
}

.map-frame.tall .leaflet-container,
.map-frame.tall #save-map-canvas {
  min-height: 360px;
}

.leaflet-control-zoom a {
  border-radius: var(--radius-sm) !important;
  border-color: var(--color-border) !important;
  color: var(--color-text) !important;
}

.leaflet-control-attribution {
  font-size: 10px !important;
  background: rgba(255, 255, 255, 0.85) !important;
}

.leaflet-popup-content-wrapper {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   20. Modals & overlays
   -------------------------------------------------------------------------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(16, 24, 22, 0.45);
  z-index: 80;
  display: none;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
}

.modal-backdrop.open {
  display: flex;
}

.modal-sheet {
  width: min(520px, 100%);
  background: var(--color-surface);
  border-radius: 22px 22px 0 0;
  padding: 20px 18px calc(20px + var(--safe-bottom));
  max-height: 85vh;
  overflow: auto;
  box-shadow: var(--shadow-floating);
  animation: sheet-up var(--transition-normal) ease;
}

@keyframes sheet-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-sheet h2 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .modal-backdrop {
    align-items: center;
    padding: 24px;
  }

  .modal-sheet {
    border-radius: var(--radius-xl);
    padding: 24px;
    max-height: min(85vh, 640px);
  }
}

.countdown-overlay {
  position: fixed;
  inset: 0;
  background: rgba(246, 248, 247, 0.92);
  z-index: 90;
  display: none;
  place-items: center;
  font-size: clamp(4rem, 20vw, 6rem);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.04em;
}

[data-theme="dark"] .countdown-overlay {
  background: rgba(14, 20, 18, 0.92);
}

.countdown-overlay.open {
  display: grid;
}

/* --------------------------------------------------------------------------
   21. Toast, offline, empty, skeleton
   -------------------------------------------------------------------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--nav-h) + 16px + var(--safe-bottom));
  transform: translateX(-50%) translateY(12px);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 14px 18px;
  border-radius: var(--radius-lg);
  z-index: 100;
  opacity: 0;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  max-width: min(90vw, 380px);
  text-align: center;
  box-shadow: var(--shadow-floating);
  font-size: 0.875rem;
  font-weight: 500;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.app-shell.tracking-mode .toast {
  bottom: calc(16px + var(--safe-bottom));
}

@media (min-width: 1024px) {
  .toast {
    bottom: 24px;
  }
}

.offline-pill {
  display: none;
  position: fixed;
  top: max(10px, env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  z-index: 70;
  background: var(--color-warning);
  color: #1a1400;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 8px 14px;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
}

.offline-pill.show {
  display: block;
}

.empty {
  text-align: center;
  color: var(--color-text-secondary);
  padding: 40px 20px;
  font-size: 0.9375rem;
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface-secondary) 0%,
    var(--color-border) 50%,
    var(--color-surface-secondary) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.2s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton.text {
  height: 1em;
  margin-bottom: 8px;
}

.skeleton.card {
  height: 88px;
  margin-bottom: 10px;
}

/* --------------------------------------------------------------------------
   22. Charts & legend
   -------------------------------------------------------------------------- */

.chart-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-top: 14px;
  box-shadow: var(--shadow-sm);
}

.chart-wrap h3 {
  margin: 0 0 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.chart-wrap canvas {
  width: 100% !important;
  max-height: 220px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend i {
  width: 14px;
  height: 4px;
  border-radius: 2px;
  display: inline-block;
}

/* --------------------------------------------------------------------------
   23. Live share page
   -------------------------------------------------------------------------- */

.live-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.live-bar {
  padding: 12px 16px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.live-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.875rem;
}

.live-status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-tertiary);
}

.live-status.active .dot {
  background: var(--color-success);
  animation: pulse-dot 1.5s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* --------------------------------------------------------------------------
   24. Responsive breakpoints
   -------------------------------------------------------------------------- */

@media (max-width: 320px) {
  .container {
    padding: 12px 12px 20px;
  }

  .page-header {
    flex-direction: column;
    gap: 8px;
  }

  .stat-grid {
    gap: 8px;
  }

  .stat .value {
    font-size: 1.25rem;
  }

  .bottom-nav {
    left: 8px;
    right: 8px;
  }

  .track-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .track-actions {
    grid-template-columns: 1fr 1fr;
  }

  .chip {
    padding: 0 12px;
    font-size: 0.75rem;
  }
}

@media (min-width: 768px) {
  .type-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .track-map {
    flex: 0 0 58%;
  }

  .map-frame.tall {
    height: 440px;
  }
}

@media (min-width: 1024px) {
  .track-screen {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .track-map {
    flex: 1 1 58%;
    min-height: 100%;
    border-radius: 0;
  }

  .track-panel,
  .metric-panel {
    flex: 1 1 42%;
    max-width: 420px;
    margin-top: 0;
    border-radius: var(--radius-xl) 0 0 0;
    border-top: none;
    border-left: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
}

@media (max-width: 380px) {
  .track-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}