/* ───────────────────────────────────────────────────────────────
   Axis · Static app — App shell + DS component classes.
   Builds on designs/design-system/colors_and_type.css for tokens.
   ─────────────────────────────────────────────────────────────── */

* { box-sizing: border-box; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

body {
  margin: 0;
  padding: 0;
  background: var(--m-canvas);
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-sans);
  color: var(--m-ink);
  overscroll-behavior: none;
}

/* ── Responsive app shell ─────────────────────────────────────
   Mobile-first: full bleed, dynamic viewport for iOS safe areas.
   Tablet/desktop (≥720px): comfortable centered column with subtle
   ambient backdrop, but the shell itself stays app-shaped. */
.app-shell {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  background: var(--m-canvas);
}

@media (min-width: 720px) {
  body {
    background:
      radial-gradient(120% 80% at 20% -10%, rgba(30, 58, 237, 0.07), transparent 60%),
      radial-gradient(120% 80% at 100% 0%, rgba(184, 152, 99, 0.10), transparent 50%),
      var(--m-canvas);
    padding: 24px 16px;
  }
  .app-shell {
    max-width: 720px;
    margin: 0 auto;
    min-height: calc(100vh - 48px);
    min-height: calc(100dvh - 48px);
    border-radius: var(--radius-xl);
    border: 1px solid var(--m-rule);
    box-shadow: 0 30px 80px rgba(14, 18, 32, 0.10), 0 2px 6px rgba(14, 18, 32, 0.04);
    overflow: hidden;
  }
}

@media (min-width: 1080px) {
  body { padding: 32px 16px; }
  .app-shell {
    max-width: 880px;
    min-height: calc(100vh - 64px);
    min-height: calc(100dvh - 64px);
  }
}

/* App header */
.app-header {
  position: sticky;
  top: 0;
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  align-items: center;
  gap: 12px;
  padding: max(env(safe-area-inset-top), 12px) 20px 12px;
  border-bottom: 1px solid var(--m-rule-soft);
  background: rgba(244, 243, 236, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 5;
}
.hdr-btn {
  width: 40px; height: 40px;
  border-radius: 12px;
  display: grid; place-items: center;
  color: var(--m-ink);
  border: 1px solid var(--m-rule);
  background: var(--m-surface);
  transition: background var(--motion-fast);
}
.hdr-btn:hover { background: var(--m-surface-alt); }
.hdr-title { text-align: center; min-width: 0; }
.hdr-eyebrow { display: block; color: var(--m-ink-muted); font-size: 11px; letter-spacing: 0.12em; }
.hdr-h { display: block; font: 500 17px/1.2 var(--font-sans); letter-spacing: -0.015em; color: var(--m-ink); margin-top: 3px; }

/* Scrollable screen body */
.screen {
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding: 0;
  background: var(--m-canvas);
  min-width: 0;
}
.screen::-webkit-scrollbar { width: 0; }

/* Bottom tab bar — sticky on every viewport */
.tabbar {
  position: sticky;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  padding: 10px 10px max(env(safe-area-inset-bottom), 10px);
  background: rgba(255, 255, 255, 0.92);
  border-top: 1px solid var(--m-rule-soft);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 5;
}
.tab {
  display: grid;
  place-items: center;
  gap: 4px;
  padding: 6px 4px 4px;
  color: var(--m-ink-muted);
  border-radius: 10px;
  position: relative;
  transition: color var(--motion-fast);
}
.tab svg { width: 22px; height: 22px; stroke-width: 1.6; }
.tab .label { font: 500 10.5px/1 var(--font-sans); letter-spacing: 0.01em; }
.tab.active { color: var(--m-axis); }
.tab.active svg { stroke-width: 2; }
.tab.active .label { color: var(--m-axis); }
@media (prefers-reduced-motion: reduce) {
  .tab { transition: none; }
}

/* ── Page scaffolding ────────────────────────────────────────── */
.page { padding: 20px 20px 32px; display: grid; gap: 20px; }
@media (min-width: 720px) {
  .page { padding: 28px 32px 40px; gap: 24px; max-width: 640px; margin: 0 auto; width: 100%; }
}

.section { display: grid; gap: 10px; }
.section-eyebrow {
  display: flex; align-items: baseline; justify-content: space-between;
  font: 500 10.5px/1 var(--font-sans);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--m-ink-muted);
  padding: 0 2px;
}
.section-eyebrow .mono { font-family: var(--font-mono); letter-spacing: 0.02em; }

/* ── DSCard ─────────────────────────────────────────────────── */
.card {
  background: var(--m-surface);
  border: 1px solid var(--m-rule);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: grid;
  gap: 8px;
  box-shadow: var(--shadow-rest);
}
.card[data-padding="0"] { padding: 0; overflow: hidden; }
.card-accent { background: var(--m-axis-soft); border-color: rgba(30, 58, 237, 0.18); }
.card-success { background: #EAF6EF; border-color: #C7E3D2; }
.card-warn { background: var(--m-warning-fill); border-color: var(--m-warning-rule); }
.card-crisis { background: var(--m-crisis-fill); border-color: var(--m-crisis-rule); }

.card-row {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  border-top: 1px solid var(--m-rule-soft);
}
.card-row:first-child { border-top: 0; }

.card-title { font: 500 15px/1.3 var(--font-sans); letter-spacing: -0.005em; color: var(--m-ink); }
.card-sub { font: 400 13px/1.4 var(--font-sans); color: var(--m-ink-muted); }

/* ── DSChip ─────────────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 9px;
  font: 500 11px/1.2 var(--font-sans);
  letter-spacing: 0.01em;
  border-radius: 999px;
  background: var(--m-surface-alt);
  color: var(--m-ink-soft);
  border: 1px solid var(--m-rule);
  white-space: nowrap;
}
.chip-soft { background: var(--m-axis-soft); color: var(--m-axis); border-color: rgba(30, 58, 237, 0.18); }
.chip-accent { background: var(--m-axis); color: white; border-color: var(--m-axis-dark); }
.chip-success { background: #E4F0EA; color: var(--m-success); border-color: #BBD7C7; }
.chip-warn { background: var(--m-warning-fill); color: var(--m-warning-ink); border-color: var(--m-warning-rule); }
.chip-muted { background: var(--m-surface-alt); color: var(--m-ink-muted); border-color: var(--m-rule); }
.chip-crisis { background: var(--m-crisis-fill); color: var(--m-crisis); border-color: var(--m-crisis-rule); }
.chip-dot { width: 6px; height: 6px; border-radius: 999px; background: currentColor; }
.chip-icon { width: 12px; height: 12px; }

/* ── DSButton ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px;
  border-radius: 12px;
  font: 500 14px/1 var(--font-sans);
  letter-spacing: -0.005em;
  background: var(--m-ink);
  color: white;
  border: 1px solid var(--m-ink);
  transition: opacity var(--motion-fast), transform var(--motion-fast);
}
.btn:hover { opacity: 0.92; }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: 0.4; pointer-events: none; }
.btn-accent { background: var(--m-axis); border-color: var(--m-axis); }
.btn-accent:hover { background: var(--m-axis-dark); }
.btn-secondary { background: var(--m-surface); color: var(--m-ink); border-color: var(--m-rule); }
.btn-secondary:hover { background: var(--m-surface-alt); }
.btn-ghost { background: transparent; color: var(--m-ink-soft); border-color: transparent; }
.btn-ghost:hover { color: var(--m-ink); background: var(--m-surface-alt); }
.btn-sm { padding: 7px 12px; font-size: 12.5px; border-radius: 9px; }
.btn-block { width: 100%; }

/* ── DSAlert (inline banner) ────────────────────────────────── */
.alert {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--m-rule);
  background: var(--m-surface);
}
.alert-icon {
  width: 28px; height: 28px;
  background: var(--m-surface-alt);
  border-radius: 999px;
  display: grid; place-items: center;
  color: var(--m-ink-muted);
}
.alert-info  { background: var(--m-axis-soft); border-color: rgba(30, 58, 237, 0.18); }
.alert-info  .alert-icon { background: rgba(255,255,255,0.6); color: var(--m-axis); }
.alert-warn  { background: var(--m-warning-fill); border-color: var(--m-warning-rule); }
.alert-warn  .alert-icon { background: rgba(255,255,255,0.6); color: var(--m-warning); }
.alert-crisis { background: var(--m-crisis-fill); border-color: var(--m-crisis-rule); }
.alert-crisis .alert-icon { background: rgba(255,255,255,0.6); color: var(--m-crisis); }
.alert-title { font: 500 13.5px/1.2 var(--font-sans); color: var(--m-ink); }
.alert-body { font: 400 12.5px/1.45 var(--font-sans); color: var(--m-ink-soft); margin-top: 2px; }
.alert-actions { display: flex; gap: 6px; align-items: center; }

/* ── DSBigStat (hero metric) ────────────────────────────────── */
.bigstat {
  background: var(--m-surface);
  border: 1px solid var(--m-rule);
  border-radius: var(--radius-xl);
  padding: 18px 18px 16px;
  display: grid;
  gap: 10px;
  box-shadow: var(--shadow-rest);
}
.bigstat-eyebrow {
  font: 500 10.5px/1 var(--font-sans);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--m-ink-muted);
}
.bigstat-value {
  font: 500 32px/1 var(--font-sans);
  letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums;
}
.bigstat-unit { font: 400 14px/1 var(--font-sans); color: var(--m-ink-muted); margin-left: 6px; letter-spacing: 0; }
.bigstat-delta { display: inline-flex; align-items: center; gap: 4px; }
.bigstat-footer { display: flex; justify-content: space-between; align-items: center; color: var(--m-ink-muted); font-size: 12px; }
.spark { width: 100%; height: 38px; display: block; }
.spark-mini { width: 90px; height: 24px; display: block; }

/* ── Quick-log tile grid ────────────────────────────────────── */
.qlog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.qlog-tile {
  background: var(--m-surface);
  border: 1px solid var(--m-rule);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: grid;
  gap: 6px;
  text-align: left;
  box-shadow: var(--shadow-rest);
  transition: transform var(--motion-fast), border-color var(--motion-fast);
}
.qlog-tile:active { transform: translateY(1px); }
.qlog-tile:hover { border-color: rgba(30, 58, 237, 0.25); }
.qlog-title { font: 500 13.5px/1.2 var(--font-sans); color: var(--m-ink); }
.qlog-meta { font: 400 11px/1 var(--font-sans); color: var(--m-ink-muted); font-variant-numeric: tabular-nums; }
.qlog-spark { width: 100%; height: 22px; }

/* ── Block tile (active blocks) ─────────────────────────────── */
.block-tile {
  background: var(--m-surface);
  border: 1px solid var(--m-rule);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 12px;
  align-items: center;
  text-align: left;
  width: 100%;
  box-shadow: var(--shadow-rest);
  transition: transform var(--motion-fast), border-color var(--motion-fast);
}
.block-tile:hover { border-color: rgba(30, 58, 237, 0.25); }
.block-tile:active { transform: translateY(1px); }
.block-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--m-axis-soft);
  color: var(--m-axis);
  display: grid; place-items: center;
}
.block-name { font: 500 14.5px/1.2 var(--font-sans); color: var(--m-ink); letter-spacing: -0.005em; }
.block-sub  { font: 400 12px/1.3 var(--font-sans); color: var(--m-ink-muted); margin-top: 2px; }
.block-tile .chev { color: var(--m-ink-faint); font-size: 18px; line-height: 1; }
.block-tile-meta { display: flex; align-items: center; gap: 6px; margin-top: 4px; flex-wrap: wrap; }

/* ── Routine reminder card ──────────────────────────────────── */
.reminder {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 12px;
  padding: 14px 16px;
  background: var(--m-surface);
  border: 1px solid var(--m-rule);
  border-radius: var(--radius-md);
  align-items: center;
  box-shadow: var(--shadow-rest);
}
.reminder-time {
  width: 44px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--m-ink-soft);
  text-align: center;
  padding: 6px 4px;
  background: var(--m-surface-alt);
  border-radius: 8px;
  border: 1px solid var(--m-rule);
}
.reminder-title { font: 500 14px/1.2 var(--font-sans); color: var(--m-ink); }
.reminder-sub { font: 400 12px/1.3 var(--font-sans); color: var(--m-ink-muted); margin-top: 2px; }
.reminder-actions { display: flex; gap: 6px; }
.reminder.done { opacity: 0.45; text-decoration: line-through; }
.reminder.overdue .reminder-time { background: var(--m-warning-fill); color: var(--m-warning-ink); border-color: var(--m-warning-rule); }

/* ── DSMedicalDisclaimer ────────────────────────────────────── */
.disclaimer {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 10px;
  padding: 14px 6px 6px;
  color: var(--m-ink-muted);
  font: 400 11px/1.5 var(--font-sans);
  border-top: 1px dashed var(--m-rule);
}
.disclaimer svg { color: var(--m-ink-muted); }

/* ── DSBottomSheet ──────────────────────────────────────────── */
.overlay-root {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 100;
  display: grid;
  place-items: end center;
}
.scrim {
  position: fixed; inset: 0;
  background: rgba(14, 18, 32, 0.45);
  pointer-events: auto;
  animation: fade-in var(--motion-med) both;
}
.sheet {
  position: relative;
  width: 100%;
  max-width: 720px;
  background: var(--m-surface);
  border-radius: 20px 20px 0 0;
  padding: 10px 20px max(env(safe-area-inset-bottom), 24px);
  pointer-events: auto;
  animation: slide-up var(--motion-med) both;
  max-height: 85vh;
  max-height: 85dvh;
  overflow-y: auto;
  box-shadow: var(--shadow-float);
}
@media (min-width: 720px) {
  .sheet { border-radius: 20px; margin-bottom: 32px; max-width: 520px; }
}
.sheet-grip {
  width: 42px; height: 4px;
  background: var(--m-rule);
  border-radius: 999px;
  margin: 6px auto 12px;
}
.sheet-header { display: flex; align-items: center; justify-content: space-between; padding: 4px 0 12px; border-bottom: 1px solid var(--m-rule-soft); }
.sheet-title { font: 500 16px/1.2 var(--font-sans); color: var(--m-ink); letter-spacing: -0.005em; }
.sheet-close { color: var(--m-ink-muted); font-size: 18px; padding: 6px 10px; }
.sheet-body { padding: 16px 0 0; display: grid; gap: 12px; }
.sheet-actions { display: flex; gap: 8px; padding-top: 16px; }

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes slide-up { from { transform: translateY(100%); } to { transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  .scrim, .sheet, .toast { animation: none !important; }
}

/* ── DSToast ────────────────────────────────────────────────── */
.toast-stack {
  position: fixed;
  left: 16px; right: 16px;
  bottom: calc(72px + max(env(safe-area-inset-bottom), 8px));
  display: grid;
  gap: 8px;
  pointer-events: none;
  z-index: 50;
}
@media (min-width: 720px) {
  .toast-stack { left: 50%; right: auto; bottom: 100px; transform: translateX(-50%); width: min(520px, 90vw); }
}
.toast {
  background: var(--m-ink);
  color: white;
  border-radius: 12px;
  padding: 12px 14px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  pointer-events: auto;
  box-shadow: var(--shadow-lift);
  animation: slide-up var(--motion-med) both;
}
.toast-title { font: 500 13.5px/1.2 var(--font-sans); }
.toast-sub { font: 400 12px/1.3 var(--font-sans); color: rgba(255,255,255,0.7); margin-top: 2px; }
.toast-action {
  font: 500 13px/1 var(--font-sans);
  color: var(--m-axis-soft);
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
}
.toast-action:hover { background: rgba(255,255,255,0.15); }

/* ── DSSegmentedControl (used in quick-log scale variant) ─── */
.seg {
  display: grid; grid-auto-flow: column; gap: 6px;
  background: var(--m-surface-alt);
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--m-rule);
}
.seg-opt {
  font: 500 13px/1 var(--font-mono);
  padding: 8px 0;
  text-align: center;
  border-radius: 999px;
  color: var(--m-ink-soft);
  cursor: pointer;
}
.seg-opt.active { background: var(--m-ink); color: white; }

/* ── DSTextInput ────────────────────────────────────────────── */
.input, .textarea {
  width: 100%;
  background: var(--m-surface-alt);
  border: 1px solid var(--m-rule);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font: 400 14px/1.4 var(--font-sans);
  color: var(--m-ink);
  outline: none;
  transition: border-color var(--motion-fast);
}
.input:focus, .textarea:focus { border-color: var(--m-axis); background: var(--m-surface); }
.textarea { min-height: 80px; resize: vertical; }

/* ── Capacity / empty state hint ────────────────────────────── */
.hint-row {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  background: var(--m-surface-alt);
  border: 1px dashed var(--m-rule);
  border-radius: var(--radius-md);
  font: 400 12.5px/1.4 var(--font-sans);
  color: var(--m-ink-muted);
}

/* ── External prototype navigator (dev affordance) ─────────── */
.proto-meta {
  position: fixed;
  bottom: 14px;
  right: 14px;
  max-width: 360px;
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--m-rule);
  border-radius: 14px;
  padding: 10px 12px;
  box-shadow: var(--shadow-lift);
  font: 400 12px/1.4 var(--font-sans);
  color: var(--m-ink-soft);
  backdrop-filter: blur(20px);
  z-index: 30;
}
.proto-meta-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.proto-meta-row + .proto-meta-row { margin-top: 6px; padding-top: 6px; border-top: 1px solid var(--m-rule-soft); }
.proto-meta-link { color: var(--m-axis); font-weight: 500; }
.proto-meta-routes a { color: var(--m-ink); border: 1px solid var(--m-rule); padding: 2px 8px; border-radius: 999px; font: 500 11px/1.2 var(--font-sans); }
.proto-meta-routes a.active { background: var(--m-ink); color: white; }
.proto-meta-hint code { font-family: var(--font-mono); font-size: 11px; background: var(--m-surface-alt); padding: 1px 5px; border-radius: 4px; }

/* Hide on small screens — too noisy on phones */
@media (max-width: 720px) { .proto-meta { display: none; } }

/* ── Pull-to-refresh affordance ─────────────────────────────── */
.ptr {
  height: 0;
  display: grid;
  place-items: center;
  color: var(--m-ink-muted);
  font: 500 11px/1 var(--font-sans);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  overflow: hidden;
  transition: height var(--motion-fast);
}
.ptr.show { height: 28px; }