:root {
  --bg: #0f1419;
  --bg-elevated: #171d24;
  --bg-card: #1c242d;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f3f6f9;
  --muted: #8b9aab;
  --accent: #22c55e;
  --accent-dim: #15803d;
  --warn: #fbbf24;
  --danger: #f87171;
  --sky: #38bdf8;
  --radius: 14px;
  --nav-h: 64px;
  --header-h: 76px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, sans-serif;
}

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

html {
  scroll-padding-top: calc(var(--header-h) + env(safe-area-inset-top, 0px));
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100%;
}

body.modal-open {
  overflow: hidden;
}

#app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-bottom: calc(var(--nav-h) + var(--safe-bottom) + 12px);
}

.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  max-width: 480px;
  margin: 0 auto;
  padding: calc(12px + env(safe-area-inset-top, 0px)) 16px 10px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.btn-install-header {
  flex-shrink: 0;
  margin-top: 2px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(34, 197, 94, 0.45);
  background: rgba(34, 197, 94, 0.12);
  color: var(--text);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
}

.install-banner {
  margin-bottom: 14px;
  border: 1px solid rgba(34, 197, 94, 0.35);
  background: linear-gradient(180deg, rgba(34, 197, 94, 0.1), var(--bg-card));
}

.install-banner-title {
  margin: 0 0 4px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
}

.install-banner-text {
  margin: 0 0 12px;
}

.ios-install-steps {
  margin: 12px 0 16px;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ios-install-steps li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--text);
}

.ios-step-icon {
  font-size: 1.25rem;
  line-height: 1.2;
}

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

.brand-mark {
  font-size: 1.75rem;
}

.brand h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
}

.tagline {
  margin: 2px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.main-content {
  flex: 1;
  min-height: 0;
  padding: calc(var(--header-h) + env(safe-area-inset-top, 0px) + 4px) 16px 24px;
}

/* datetime-local needs room below sticky header when focused/scrolled */
.form-card input[type='datetime-local'] {
  min-height: 44px;
}

.view.hidden {
  display: none;
}

.section-title {
  margin: 8px 0 4px;
  font-size: 1.1rem;
}

.section-sub {
  margin: 0 0 16px;
  font-size: 0.85rem;
}

.hero-card {
  background: radial-gradient(120% 120% at 0% 0%, rgba(34, 197, 94, 0.18), transparent 55%),
    var(--bg-card);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 20px 16px;
  margin-bottom: 16px;
}

.hero-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.live-counter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.counter-block {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 10px;
  padding: 8px 10px;
  min-width: 64px;
  text-align: center;
}

.counter-val {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.1;
}

.counter-unit {
  display: block;
  font-size: 0.65rem;
  color: var(--muted);
  text-transform: uppercase;
}

.next-health {
  margin: 0;
  font-size: 0.82rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

@media (max-width: 360px) {
  .stat-grid {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
}

.stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-value {
  display: block;
  margin-top: 6px;
  font-size: 1.05rem;
  font-weight: 700;
}

.stat-hint {
  display: block;
  margin-top: 4px;
  font-size: 0.65rem;
  line-height: 1.2;
  text-transform: none;
  letter-spacing: normal;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 14px;
}

.card h2,
.card h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
}

.reason-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.reason-chip {
  background: rgba(34, 197, 94, 0.12);
  color: #bbf7d0;
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.82rem;
}

.progress-track {
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  overflow: hidden;
}

.progress-track.lg {
  height: 12px;
  margin-top: 10px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  border-radius: 999px;
  transition: width 0.4s ease;
}

.progress-fill.accent {
  background: linear-gradient(90deg, #0ea5e9, var(--accent));
}

.btn {
  appearance: none;
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--accent);
  color: #052e16;
}

.btn.full {
  width: 100%;
  display: block;
}

.btn.ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.text {
  background: transparent;
  color: var(--muted);
  width: 100%;
  margin-top: 8px;
}

.btn.small {
  padding: 6px 10px;
  font-size: 0.85rem;
}

.btn.danger {
  margin: 16px 0 8px;
  background: rgba(248, 113, 113, 0.15);
  color: #fecaca;
  border: 1px solid rgba(248, 113, 113, 0.45);
}

.health-home-section h2 {
  margin-top: 0;
}

.health-subhead {
  font-size: 0.85rem;
  margin: 16px 0 8px;
}

.health-next-card {
  margin-top: 12px;
  padding: 12px;
  border-radius: var(--radius);
  background: rgba(34, 197, 94, 0.06);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.health-recent-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
}

.health-recent-item {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}

.health-source-inline {
  color: var(--sky);
  font-size: 0.72rem;
  text-decoration: none;
  flex-shrink: 0;
}

.streak-compare-home {
  text-align: center;
  margin: -4px 0 12px;
}

.row-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.file-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 0.78rem;
}

.center {
  text-align: center;
}

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  max-width: 480px;
  margin: 0 auto;
  height: calc(var(--nav-h) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(15, 20, 25, 0.92);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  z-index: 20;
}

.rank-dashboard {
  width: 100%;
  text-align: left;
  cursor: pointer;
  margin-bottom: 14px;
  border: 1px solid rgba(56, 189, 248, 0.25);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.08), rgba(34, 197, 94, 0.08));
  color: var(--text);
  font: inherit;
}

.rank-dashboard .muted,
.rank-dashboard .rank-dash-label {
  color: #b8c6d6;
}

.rank-dashboard-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.rank-dash-icon {
  font-size: 2rem;
}

.rank-dash-text {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.rank-dash-label {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.rank-dash-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.rank-dash-pct {
  font-size: 0.85rem;
}

.rank-dash-next,
.rank-dash-streaks {
  margin: 8px 0 0;
  font-size: 0.78rem;
  line-height: 1.35;
}

.progress-fill.rank {
  background: linear-gradient(90deg, #38bdf8, #a78bfa);
}

.rank-hero {
  text-align: center;
  margin-bottom: 16px;
}

.rank-hero-icon {
  font-size: 3rem;
  line-height: 1;
}

.rank-hero h3,
#rank-hero-name {
  margin: 8px 0 4px;
  font-size: 1.4rem;
  color: var(--text);
}

.rank-streak-compare strong {
  color: var(--text);
}

.rank-streak-compare {
  margin: 12px 0;
  font-size: 0.9rem;
}

.rank-score {
  margin-top: 10px;
}

.rank-ladder {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.rank-row {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.rank-row.locked {
  opacity: 0.5;
}

.rank-row.unlocked {
  border-color: rgba(34, 197, 94, 0.3);
}

.rank-row.current {
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.45);
}

.rank-row-icon {
  font-size: 1.6rem;
  width: 2rem;
  text-align: center;
}

.rank-row-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rank-row-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
}

.rank-row-req {
  font-size: 0.72rem;
}

.rank-up-panel {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.rank-up-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--sky);
  font-size: 0.8rem;
  margin: 0;
}

.rank-up-icon {
  font-size: 4rem;
  margin: 12px 0;
  animation: rank-pop 0.6s ease-out;
}

.rank-up-burst {
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.25), transparent 55%);
  animation: rank-spin 8s linear infinite;
  pointer-events: none;
}

@keyframes rank-pop {
  0% {
    transform: scale(0.5);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

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

.nav-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.58rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 8px 4px;
  min-height: 48px;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.nav-btn span {
  font-size: 0.58rem;
}

.nav-btn.active {
  color: var(--accent);
}

.health-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.health-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
}

.health-item.done {
  border-color: rgba(34, 197, 94, 0.35);
}

.health-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.health-title {
  font-weight: 600;
}

.health-pct {
  font-size: 0.8rem;
  color: var(--accent);
}

.health-body {
  margin: 0 0 8px;
  font-size: 0.82rem;
  color: var(--muted);
}

.health-source {
  margin: 0 0 8px;
  font-size: 0.72rem;
}

.health-source a {
  color: var(--sky);
  text-decoration: none;
}

.health-source a:hover {
  text-decoration: underline;
}

.health-disclaimer {
  margin-bottom: 14px;
}

.health-disclaimer p {
  margin: 8px 0 0;
}

.badge-sections {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 16px;
}

.badge-category-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.badge-category-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.badge-category-count {
  font-size: 0.78rem;
  white-space: nowrap;
}

.badge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 10px;
  text-align: center;
}

.badge.unlocked {
  border-color: rgba(34, 197, 94, 0.35);
  background: linear-gradient(180deg, rgba(34, 197, 94, 0.08), var(--bg-card));
}

.badge.locked {
  opacity: 0.92;
}

.badge.locked .badge-icon {
  filter: grayscale(0.4);
}

.badge-icon {
  font-size: 1.5rem;
  line-height: 1.2;
}

.badge-title {
  font-weight: 600;
  font-size: 0.82rem;
  margin-top: 6px;
  line-height: 1.25;
}

.badge-desc {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 4px;
  line-height: 1.3;
}

.badge-progress-track {
  height: 5px;
  margin-top: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.badge-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  min-width: 2px;
}

.badge-progress-label {
  margin: 4px 0 0;
  font-size: 0.65rem;
  line-height: 1.2;
}

.badge-unlocked-date {
  margin: 6px 0 0;
  font-size: 0.65rem;
}

.log-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.log-list li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  margin-bottom: 8px;
  display: grid;
  gap: 4px;
  font-size: 0.82rem;
}

.log-time {
  font-weight: 600;
}

.log-meta {
  color: var(--muted);
}

.log-outcome.good {
  color: var(--accent);
}

.log-outcome.warn {
  color: var(--warn);
}

.chart-card canvas {
  width: 100%;
  display: block;
  border-radius: 8px;
}

.form-card label {
  display: block;
  margin-bottom: 12px;
  font-size: 0.82rem;
  color: var(--muted);
}

.form-card input,
.form-card select,
.form-card textarea {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
}

.reason-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.reason-row input {
  flex: 1;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
}

.modal.open {
  display: block;
}

.modal-backdrop {
  min-height: 100%;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 16px;
}

.modal-backdrop.dark {
  background: rgba(0, 0, 0, 0.85);
  align-items: center;
}

.modal-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px 20px 12px 12px;
  padding: 20px 16px 24px;
  width: 100%;
  max-width: 440px;
  max-height: 90dvh;
  overflow: auto;
}

.modal-backdrop.dark .modal-panel {
  border-radius: 20px;
}

.breathing-panel {
  text-align: center;
}

.breath-ring {
  width: 200px;
  height: 200px;
  margin: 16px auto;
  border-radius: 50%;
  border: 3px solid var(--sky);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 4s ease-in-out, border-color 0.4s;
}

.breath-ring.inhale {
  transform: scale(1.12);
  border-color: var(--accent);
}

.breath-ring.exhale {
  transform: scale(0.88);
  border-color: #a78bfa;
}

.breath-ring.hold {
  transform: scale(1);
}

#breath-label {
  font-size: 1.2rem;
  font-weight: 700;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--nav-h) + var(--safe-bottom) + 16px);
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 60;
  max-width: 90%;
  text-align: center;
}

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

@media (min-width: 420px) {
  .modal-backdrop {
    align-items: center;
  }

  .modal-panel {
    border-radius: 20px;
  }
}