/* ======================================
   Zento — iOS Calendar-inspired design
   ====================================== */

:root {
  --z-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  --z-font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;

  --z-bg: #f2f2f7;
  --z-surface: #ffffff;
  --z-grouped: #f2f2f7;
  --z-elevated: #ffffff;

  --z-label: #000000;
  --z-label-2: rgba(60, 60, 67, 0.6);
  --z-label-3: rgba(60, 60, 67, 0.3);
  --z-label-4: rgba(60, 60, 67, 0.18);

  --z-sep: rgba(60, 60, 67, 0.12);
  --z-sep-opaque: #c6c6c8;

  --z-tint: #007aff;
  --z-red: #ff3b30;
  --z-orange: #ff9500;
  --z-green: #34c759;
  --z-indigo: #5856d6;
  --z-purple: #af52de;

  /* Macro colors */
  --z-cal-color: #ff6b2c;
  --z-pro-color: #007aff;
  --z-fat-color: #ffb100;
  --z-carb-color: #34c759;

  --z-radius: 12px;
  --z-radius-lg: 16px;
  --z-radius-xl: 20px;
  --z-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --z-shadow: 0 2px 8px rgba(0,0,0,0.08);
  --z-shadow-lg: 0 8px 24px rgba(0,0,0,0.12);

  --z-safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }

body {
  margin: 0;
  font-family: var(--z-font);
  font-size: 16px;
  color: var(--z-label);
  background: var(--z-bg);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ---- Page Shell ---- */
.zen-page-shell {
  width: min(700px, calc(100% - 1.5rem));
  margin: 0 auto;
}

/* ---- Topbar ---- */
.zen-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(242, 242, 247, 0.85);
  border-bottom: 0.5px solid var(--z-sep-opaque);
}

.zen-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  gap: 0.5rem;
  padding: 0 0.5rem;
}

.zen-topbar-left {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  min-width: 60px;
}

.zen-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--z-font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--z-label);
  text-decoration: none;
}

.zen-brand-mark {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  background: linear-gradient(140deg, var(--z-orange), #ffb100);
}

.zen-topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.zen-nav {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

.zen-nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--z-tint);
  text-decoration: none;
  transition: background 150ms;
}

.zen-nav-link:hover { background: rgba(0,122,255,0.08); }
.zen-nav-link.is-active { font-weight: 600; }

.zen-topbar-gpt {
  padding: 0.38rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
}

/* ---- Main ---- */
.zen-main {
  padding: 0.75rem 0 6rem;
}

/* ---- Buttons ---- */
.zen-button {
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  transition: opacity 150ms, transform 150ms;
  font-family: var(--z-font);
}

.zen-button:active { transform: scale(0.97); }

.zen-button-primary {
  color: #fff;
  background: var(--z-tint);
}

.zen-button-primary:hover { opacity: 0.88; }

.zen-button-secondary {
  color: var(--z-tint);
  background: rgba(0,122,255,0.1);
}

.zen-button-quiet {
  color: var(--z-tint);
  background: transparent;
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
}

.zen-button-quiet:hover { background: rgba(0,122,255,0.06); }

.zen-button-destructive {
  color: var(--z-red);
  background: transparent;
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
}

/* ---- Segmented Control ---- */
.zcal-seg {
  display: inline-flex;
  background: rgba(118, 118, 128, 0.12);
  border-radius: 9px;
  padding: 2px;
  gap: 0;
  width: 100%;
  max-width: 320px;
}

.zcal-seg-item {
  flex: 1;
  text-align: center;
  padding: 0.4rem 0.6rem;
  border-radius: 7px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--z-label);
  text-decoration: none;
  transition: background 200ms, box-shadow 200ms;
  cursor: pointer;
  border: 0;
  background: transparent;
  font-family: var(--z-font);
}

.zcal-seg-item.is-active {
  background: var(--z-surface);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08), 0 0.5px 1px rgba(0,0,0,0.06);
}

.zcal-seg-item:not(.is-active):hover {
  background: rgba(255,255,255,0.4);
}

/* ---- Calendar Header ---- */
.zcal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0;
}

.zcal-header-center {
  text-align: center;
}

.zcal-title {
  margin: 0;
  font-family: var(--z-font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.zcal-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 0;
  background: transparent;
  color: var(--z-tint);
  cursor: pointer;
  transition: background 150ms;
}

.zcal-nav-btn:hover { background: rgba(0,122,255,0.08); }

.zcal-nav-btn svg {
  width: 18px;
  height: 18px;
}

.zcal-nav-btn.is-disabled {
  opacity: 0.3;
  pointer-events: none;
}

.zcal-today-btn {
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 0;
  background: transparent;
  color: var(--z-tint);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-family: var(--z-font);
}

.zcal-today-btn:hover { background: rgba(0,122,255,0.08); }

/* ---- iOS Sections ---- */
.zcal-section {
  margin-top: 0.75rem;
}

.zcal-section-header {
  padding: 0.5rem 1rem 0.3rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--z-label-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.zcal-card {
  background: var(--z-surface);
  border-radius: var(--z-radius);
  overflow: hidden;
  box-shadow: 0 0.5px 1px rgba(0,0,0,0.04);
}

.zcal-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 1rem;
  position: relative;
  text-decoration: none;
  color: inherit;
  transition: background 120ms ease;
}

.zcal-row:active { background: rgba(0,0,0,0.03); }

.zcal-row:not(:last-child)::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 0;
  height: 0.5px;
  background: var(--z-sep);
}

.zcal-row:active { background: rgba(0,0,0,0.03); }

.zcal-row-content {
  flex: 1;
  min-width: 0;
}

.zcal-row-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.zcal-row-subtitle {
  margin: 0.1rem 0 0;
  font-size: 0.8rem;
  color: var(--z-label-2);
}

.zcal-row-right {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.zcal-row-value {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--z-label-2);
  font-variant-numeric: tabular-nums;
}

.zcal-chevron {
  width: 13px;
  height: 13px;
  color: var(--z-label-4);
  transition: transform 200ms ease;
}

.zcal-row:active .zcal-chevron { transform: translateX(2px); }

/* ---- Week Strip (iOS Calendar day pills) ---- */
.zcal-week-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
  padding: 0.25rem 0 0.5rem;
}

.zcal-week-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  text-decoration: none;
  color: var(--z-label-3);
  padding: 0.15rem 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.zcal-week-day-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.zcal-week-day-num {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  font-weight: 500;
  transition: background 150ms, color 150ms, transform 150ms;
}

.zcal-week-day.is-selected .zcal-week-day-num {
  background: var(--z-tint);
  color: #fff;
  font-weight: 600;
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(0,122,255,0.25);
}

.zcal-week-day.is-today:not(.is-selected) .zcal-week-day-num {
  color: var(--z-tint);
  font-weight: 700;
}

.zcal-week-day.is-today:not(.is-selected) .zcal-week-day-label {
  color: var(--z-tint);
}

.zcal-week-day:not(.is-selected):hover .zcal-week-day-num {
  background: rgba(0,0,0,0.04);
}

.zcal-week-day.is-disabled {
  opacity: 0.35;
  pointer-events: none;
}

.zcal-week-day-dots {
  display: flex;
  gap: 3px;
  height: 6px;
  align-items: center;
}

.zcal-week-dot {
  width: 5px;
  height: 5px;
  border-radius: 999px;
}

.zcal-week-dot.is-meal { background: var(--z-cal-color); }
.zcal-week-dot.is-done { background: var(--z-green); }

/* ---- Compact Macro Summary ---- */
.zcal-macros {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  padding: 0.5rem 0;
}

.zcal-macro {
  text-align: center;
}

.zcal-macro-value {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.zcal-macro-value.is-cal { color: var(--z-cal-color); }
.zcal-macro-value.is-pro { color: var(--z-pro-color); }
.zcal-macro-value.is-fat { color: var(--z-fat-color); }
.zcal-macro-value.is-carb { color: var(--z-carb-color); }

.zcal-macro-label {
  margin: 0.1rem 0 0;
  font-size: 0.68rem;
  color: var(--z-label-2);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.zcal-macro-bar {
  margin-top: 0.3rem;
  height: 3px;
  border-radius: 2px;
  background: rgba(0,0,0,0.06);
  overflow: hidden;
}

.zcal-macro-fill {
  height: 100%;
  border-radius: inherit;
  transition: width 300ms ease;
}

.zcal-macro-fill.is-cal { background: var(--z-cal-color); }
.zcal-macro-fill.is-pro { background: var(--z-pro-color); }
.zcal-macro-fill.is-fat { background: var(--z-fat-color); }
.zcal-macro-fill.is-carb { background: var(--z-carb-color); }

/* ---- Day Header ---- */
.zcal-day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0 0.4rem;
}

.zcal-day-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  font-family: var(--z-font-display);
  letter-spacing: -0.03em;
}

/* ---- Completion Toggle ---- */
.zcal-completion-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: var(--z-font);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--z-label-2);
  transition: background 150ms;
}

.zcal-completion-toggle:hover { background: rgba(0,0,0,0.04); }

.zcal-completion-circle {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 2px solid var(--z-sep-opaque);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 200ms, border-color 200ms;
}

.zcal-completion-toggle.is-done .zcal-completion-circle {
  background: var(--z-green);
  border-color: var(--z-green);
}

.zcal-completion-circle svg {
  width: 12px;
  height: 12px;
  color: #fff;
  opacity: 0;
  transition: opacity 200ms;
}

.zcal-completion-toggle.is-done .zcal-completion-circle svg {
  opacity: 1;
}

/* ---- Quick Edit Panel (inline expand) ---- */
.zcal-expand {
  overflow: hidden;
  transition: max-height 300ms ease;
}

.zcal-expand.is-collapsed {
  max-height: 0;
}

.zcal-quick-edit {
  padding: 0.6rem 1rem 0.75rem;
  background: rgba(0,0,0,0.02);
  border-top: 0.5px solid var(--z-sep);
}

.zcal-quick-fields {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 0.5rem;
  align-items: end;
}

.zcal-quick-label {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--z-label-2);
}

.zcal-quick-input {
  width: 100%;
  padding: 0.4rem 0.55rem;
  border-radius: 8px;
  border: 0.5px solid var(--z-sep-opaque);
  background: var(--z-surface);
  font-size: 0.9rem;
  font-family: var(--z-font);
  color: var(--z-label);
}

.zcal-quick-input:focus {
  outline: none;
  border-color: var(--z-tint);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.15);
}

.zcal-quick-slider-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.zcal-quick-slider {
  flex: 1;
  min-width: 0;
  accent-color: var(--z-tint);
}

.zcal-quick-slider-val {
  min-width: 1.8rem;
  text-align: right;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--z-label-2);
  font-variant-numeric: tabular-nums;
}

.zcal-quick-actions {
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.3rem;
}

.zcal-quick-actions-left {
  display: flex;
  gap: 0.15rem;
}

.zcal-quick-error {
  margin-top: 0.3rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--z-red);
}

/* ---- Floating Action Button ---- */
.zcal-fab {
  position: fixed;
  bottom: calc(5rem + var(--z-safe-bottom));
  right: 1.25rem;
  width: 54px;
  height: 54px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0a84ff, #007aff);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,122,255,0.35), 0 2px 4px rgba(0,0,0,0.08);
  text-decoration: none;
  z-index: 50;
  transition: transform 200ms cubic-bezier(0.32, 0.72, 0, 1), box-shadow 200ms;
}

.zcal-fab:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 24px rgba(0,122,255,0.4), 0 2px 4px rgba(0,0,0,0.08);
}

.zcal-fab:active { transform: scale(0.92); }

.zcal-fab svg {
  width: 26px;
  height: 26px;
}

/* ---- Month Calendar Grid ---- */
.zcal-calendar {
  background: var(--z-surface);
  border-radius: var(--z-radius);
  overflow: hidden;
}

.zcal-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.zcal-calendar-head {
  text-align: center;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--z-label-3);
  padding: 0.5rem 0 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.zcal-calendar-cell {
  min-height: 56px;
  padding: 0.35rem 0.2rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  border-top: 0.5px solid rgba(60, 60, 67, 0.08);
  position: relative;
  overflow: hidden;
  transition: background 120ms ease;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.zcal-calendar-cell:hover { background: rgba(0,0,0,0.02); }
.zcal-calendar-cell:active { background: rgba(0,0,0,0.04); }

.zcal-calendar-cell.is-empty {
  pointer-events: none;
}

.zcal-calendar-day-num {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 500;
  position: relative;
  z-index: 2;
}

.zcal-calendar-cell.is-today .zcal-calendar-day-num {
  background: var(--z-tint);
  color: #fff;
  font-weight: 600;
}

.zcal-calendar-cell-dots {
  display: flex;
  gap: 3px;
  position: relative;
  z-index: 2;
}

.zcal-cell-dot {
  width: 4px;
  height: 4px;
  border-radius: 999px;
}

.zcal-cell-dot.is-meal { background: var(--z-cal-color); }
.zcal-cell-dot.is-done { background: var(--z-green); }

/* Calendar fill bars (reused with existing Stimulus controller) */
.zen-calendar-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 0%;
  pointer-events: none;
  z-index: 0;
  transition: height 400ms cubic-bezier(0.22, 1, 0.36, 1), background-color 300ms ease;
}

.zen-calendar-goal-line {
  position: absolute;
  left: 4px;
  right: 4px;
  border-top: 1.5px dashed;
  opacity: 0.45;
  pointer-events: none;
  z-index: 1;
  transition: bottom 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

.zcal-calendar-cell-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
}

/* Macro text inside cells (desktop only) */
/* Horizontal macro bars in calendar cells */
.zcal-cell-bars {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.5px;
  padding: 0 1px;
  pointer-events: none;
}

.zcal-cell-bar {
  height: 3px;
  border-radius: 1.5px;
  background: var(--z-sep);
  overflow: hidden;
}

.zcal-cell-bar-fill {
  height: 100%;
  border-radius: 1.5px;
  width: 0%;
  transition: width 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

.zcal-cell-bar.is-cal .zcal-cell-bar-fill { background: var(--z-cal-color); }
.zcal-cell-bar.is-pro .zcal-cell-bar-fill { background: var(--z-pro-color); }
.zcal-cell-bar.is-fat .zcal-cell-bar-fill { background: var(--z-fat-color); }
.zcal-cell-bar.is-carb .zcal-cell-bar-fill { background: var(--z-carb-color); }

/* Macro toggle pills */
.zcal-macro-toggles {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: rgba(118, 118, 128, 0.12);
  border-radius: 9px;
  padding: 2px;
}

.zcal-macro-toggle {
  border: 0;
  cursor: pointer;
  background: transparent;
  border-radius: 7px;
  padding: 0.3rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--z-label-2);
  transition: background 150ms, color 150ms, box-shadow 150ms;
  font-family: var(--z-font);
}

.zcal-macro-toggle:hover { color: var(--z-label); }

.zcal-macro-toggle.is-active {
  background: var(--z-surface);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.zcal-macro-toggle.is-active.is-calories { color: var(--z-cal-color); }
.zcal-macro-toggle.is-active.is-protein { color: var(--z-pro-color); }
.zcal-macro-toggle.is-active.is-fat { color: var(--z-fat-color); }
.zcal-macro-toggle.is-active.is-carbs { color: var(--z-carb-color); }

/* ---- Stats Footer (compact pills) ---- */
.zcal-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.5rem 0;
}

.zcal-stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: var(--z-surface);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--z-label-2);
}

.zcal-stat-pill svg {
  width: 14px;
  height: 14px;
}

.zcal-stat-pill .zcal-stat-num {
  color: var(--z-label);
  font-weight: 700;
}

/* ---- Week View ---- */
.zcal-week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.35rem;
}

.zcal-week-col {
  background: var(--z-surface);
  border-radius: var(--z-radius);
  padding: 0.5rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 120px;
  transition: background 100ms, box-shadow 150ms;
}

.zcal-week-col:hover {
  box-shadow: var(--z-shadow-sm);
}

.zcal-week-col:active { background: rgba(0,0,0,0.02); }

.zcal-week-col.is-today {
  box-shadow: inset 0 0 0 1.5px var(--z-tint);
}

.zcal-week-col-header {
  text-align: center;
}

.zcal-week-col-day {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--z-label-2);
  letter-spacing: 0.03em;
}

.zcal-week-col-num {
  font-size: 1.1rem;
  font-weight: 700;
}

.zcal-week-col.is-today .zcal-week-col-num {
  color: var(--z-tint);
}

.zcal-week-col-cal {
  text-align: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--z-cal-color);
  font-variant-numeric: tabular-nums;
}

.zcal-week-col-macros {
  font-size: 0.65rem;
  color: var(--z-label-2);
  text-align: center;
  line-height: 1.4;
}

.zcal-week-col-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
}

/* ---- Average Macros (expandable section) ---- */
.zcal-avg-tabs {
  display: inline-flex;
  gap: 0;
  background: rgba(118, 118, 128, 0.12);
  border-radius: 9px;
  padding: 2px;
}

.zcal-avg-tab {
  padding: 0.3rem 0.6rem;
  border-radius: 7px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--z-label-2);
  text-decoration: none;
  transition: background 150ms, box-shadow 150ms;
}

.zcal-avg-tab.is-active {
  background: var(--z-surface);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  color: var(--z-label);
}

/* ---- Goal Bars (compact mode for day view) ---- */
.zen-goal-bars {
  display: grid;
  gap: 0.5rem;
}

.zen-goal-bar {
  --zen-goal-color: var(--z-label-2);
  --zen-goal-soft: rgba(0,0,0,0.06);
  --zen-goal-soft-strong: rgba(0,0,0,0.12);
}

.zen-goal-bar.is-calories {
  --zen-goal-color: var(--z-cal-color);
  --zen-goal-soft: rgba(255, 107, 44, 0.12);
  --zen-goal-soft-strong: rgba(255, 107, 44, 0.22);
}

.zen-goal-bar.is-protein {
  --zen-goal-color: var(--z-pro-color);
  --zen-goal-soft: rgba(0, 122, 255, 0.12);
  --zen-goal-soft-strong: rgba(0, 122, 255, 0.22);
}

.zen-goal-bar.is-fat {
  --zen-goal-color: var(--z-fat-color);
  --zen-goal-soft: rgba(255, 177, 0, 0.15);
  --zen-goal-soft-strong: rgba(255, 177, 0, 0.25);
}

.zen-goal-bar.is-carbs {
  --zen-goal-color: var(--z-carb-color);
  --zen-goal-soft: rgba(52, 199, 89, 0.12);
  --zen-goal-soft-strong: rgba(52, 199, 89, 0.22);
}

/* Compact mode: thin inline bars */
.zen-goal-bars.is-compact .zen-goal-bar {
  background: transparent;
  border: 0;
  padding: 0;
  border-radius: 0;
}

.zen-goal-bars.is-compact .zen-goal-bar-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem;
}

.zen-goal-bars.is-compact .zen-goal-bar-title {
  margin: 0;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--zen-goal-color);
}

.zen-goal-bars.is-compact .zen-goal-bar-value {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--z-label-2);
  display: inline-flex;
  gap: 0.25rem;
}

.zen-goal-bars.is-compact .zen-goal-bar-value strong {
  color: var(--z-label);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.zen-goal-bars.is-compact .zen-goal-bar-value span {
  font-size: 0.7rem;
}

.zen-goal-bars.is-compact .zen-goal-track {
  position: relative;
  margin-top: 0.2rem;
  height: 4px;
  border-radius: 999px;
  background: var(--zen-goal-soft);
  overflow: hidden;
}

.zen-goal-bars.is-compact .zen-goal-fill-solid {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  border-radius: inherit;
  background: var(--zen-goal-color);
}

.zen-goal-bars.is-compact .zen-goal-fill-range {
  position: absolute;
  top: 0; bottom: 0;
  border-radius: inherit;
  background: var(--zen-goal-soft-strong);
}

.zen-goal-bars.is-compact .zen-goal-bar-foot {
  display: none;
}

.zen-goal-bars.is-compact .zen-goal-overflow {
  display: none;
}

/* Full mode: card-style bars (for stats/profile) */
.zen-goal-bars:not(.is-compact) .zen-goal-bar {
  background: var(--z-surface);
  border-radius: var(--z-radius);
  padding: 0.55rem 0.65rem;
}

.zen-goal-bars:not(.is-compact) .zen-goal-bar-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem;
}

.zen-goal-bars:not(.is-compact) .zen-goal-bar-title {
  margin: 0;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--zen-goal-color);
}

.zen-goal-bars:not(.is-compact) .zen-goal-bar-value {
  margin: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 600;
}

.zen-goal-bars:not(.is-compact) .zen-goal-bar-value strong {
  color: var(--z-label);
  font-weight: 700;
}

.zen-goal-bars:not(.is-compact) .zen-goal-bar-value span {
  color: var(--z-label-2);
  font-size: 0.72rem;
}

.zen-goal-bars:not(.is-compact) .zen-goal-track {
  position: relative;
  margin-top: 0.35rem;
  height: 6px;
  border-radius: 999px;
  background: var(--zen-goal-soft);
  overflow: hidden;
}

.zen-goal-bars:not(.is-compact) .zen-goal-fill-solid {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  border-radius: inherit;
  background: linear-gradient(130deg, var(--zen-goal-color), color-mix(in srgb, var(--zen-goal-color) 70%, #fff 30%));
}

.zen-goal-bars:not(.is-compact) .zen-goal-fill-range {
  position: absolute;
  top: 0; bottom: 0;
  border-radius: inherit;
  background: var(--zen-goal-soft-strong);
}

.zen-goal-bars:not(.is-compact) .zen-goal-bar-foot {
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  color: var(--z-label-2);
  font-size: 0.72rem;
  font-weight: 600;
}

.zen-goal-bars:not(.is-compact) .zen-goal-overflow {
  border-radius: 999px;
  background: color-mix(in srgb, var(--zen-goal-color) 15%, #fff 85%);
  color: color-mix(in srgb, var(--zen-goal-color) 85%, #222 15%);
  padding: 0.12rem 0.4rem;
  font-size: 0.65rem;
  font-weight: 700;
}

/* ---- Pill ---- */
.zen-pill {
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
}

.zen-pill-green { background: rgba(52,199,89,0.12); color: #1a8d3e; }
.zen-pill-amber { background: rgba(255,149,0,0.12); color: #96600a; }
.zen-pill-neutral { background: rgba(0,0,0,0.06); color: var(--z-label-2); }

.zen-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

/* ---- Upgrade Banner ---- */
.zcal-upgrade-banner {
  margin-top: 0.5rem;
  border-radius: var(--z-radius);
  background: rgba(0,122,255,0.06);
  border: 0.5px solid rgba(0,122,255,0.15);
  padding: 0.55rem 0.75rem;
  font-size: 0.82rem;
  color: var(--z-label-2);
}

.zcal-upgrade-banner a {
  color: var(--z-tint);
  font-weight: 700;
  text-decoration: none;
}

/* ---- Nutrition Facts Tooltip ---- */
.zen-nf-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  cursor: pointer;
  margin-left: 0.2rem;
}

.zen-nf-icon {
  width: 0.9rem;
  height: 0.9rem;
  color: var(--z-label-3);
  transition: color 160ms;
}

.zen-nf-trigger:hover .zen-nf-icon,
.zen-nf-trigger:focus .zen-nf-icon { color: var(--z-label); }

.zen-nf-tooltip {
  display: none;
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%);
  z-index: 50;
  width: 180px;
  background: var(--z-surface);
  border: 0.5px solid var(--z-sep-opaque);
  border-radius: 10px;
  padding: 0.5rem 0.6rem;
  box-shadow: var(--z-shadow-lg);
  pointer-events: none;
}

.zen-nf-tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--z-surface);
}

.zen-nf-trigger:hover .zen-nf-tooltip,
.zen-nf-trigger:focus .zen-nf-tooltip,
.zen-nf-trigger:focus-within .zen-nf-tooltip { display: block; }

.zen-nf-header {
  font-family: var(--z-font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.zen-nf-serving {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--z-label-2);
  margin-top: 0.1rem;
}

.zen-nf-divider {
  height: 0.5px;
  background: var(--z-sep);
  margin: 0.25rem 0;
}

.zen-nf-divider.is-thick {
  height: 2px;
  background: var(--z-label);
  margin: 0.3rem 0;
}

.zen-nf-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--z-label);
  line-height: 1.35;
}

.zen-nf-row.is-calories {
  font-size: 0.82rem;
  font-weight: 700;
}

.zen-nf-row.is-calories span:last-child {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.zen-nf-tooltip.is-shifted-left { left: 0; transform: none; }
.zen-nf-tooltip.is-shifted-left::after { left: 12px; transform: none; }
.zen-nf-tooltip.is-shifted-right { left: auto; right: 0; transform: none; }
.zen-nf-tooltip.is-shifted-right::after { left: auto; right: 12px; transform: none; }

/* ---- Toast Notifications ---- */
.zen-toast {
  position: fixed;
  top: 0.75rem;
  left: 50%;
  transform: translateX(-50%) translateY(-120%);
  z-index: 70;
  border-radius: 10px;
  padding: 0.55rem 0.9rem;
  font-weight: 600;
  font-size: 0.85rem;
  backdrop-filter: blur(12px);
  box-shadow: var(--z-shadow-lg);
  transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1), opacity 320ms ease;
  opacity: 0;
  pointer-events: none;
  max-width: calc(100vw - 2rem);
  text-align: center;
}

.zen-toast-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.zen-toast-notice { background: rgba(52,199,89,0.92); color: #fff; }
.zen-toast-alert { background: rgba(255,59,48,0.92); color: #fff; }

/* ---- Mobile Nav ---- */
.zen-mobile-nav {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  background: rgba(242,242,247,0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-top: 0.5px solid var(--z-sep-opaque);
  z-index: 55;
  padding: 0.3rem 0 calc(0.3rem + var(--z-safe-bottom));
}

.zen-mobile-nav-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  max-width: 300px;
  margin: 0 auto;
}

.zen-mobile-nav-link {
  text-decoration: none;
  color: var(--z-label-2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.12rem;
  min-height: 44px;
  font-weight: 600;
  font-size: 0.62rem;
  padding: 0.2rem;
}

.zen-mobile-nav-link svg {
  width: 22px;
  height: 22px;
}

.zen-mobile-nav-link.is-active { color: var(--z-tint); }

.zen-mobile-nav-today { line-height: 1; gap: 0.02rem; }

.zen-mobile-nav-date {
  font-family: var(--z-font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.zen-mobile-nav-month {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---- Auth Screen ---- */
.zen-auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  background: var(--z-bg);
}

.zen-auth-card {
  width: min(420px, 100%);
  margin: 0 auto;
  border-radius: var(--z-radius-lg);
  background: var(--z-surface);
  padding: 1.5rem;
}

.zen-auth-head { text-align: center; margin-bottom: 1rem; }

.zen-auth-title {
  font-family: var(--z-font-display);
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.zen-auth-subtitle {
  margin: 0.3rem 0 0;
  color: var(--z-label-2);
  font-size: 0.9rem;
}

/* ---- Forms ---- */
.zen-form-grid {
  display: grid;
  gap: 0.85rem;
}

.zen-field label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 600;
  color: var(--z-label-2);
  font-size: 0.85rem;
}

.zen-input, .zen-select, .zen-textarea {
  width: 100%;
  border-radius: 10px;
  border: 0.5px solid var(--z-sep-opaque);
  background: var(--z-surface);
  padding: 0.55rem 0.65rem;
  color: var(--z-label);
  font: inherit;
  font-size: 0.95rem;
}

.zen-input:focus, .zen-select:focus, .zen-textarea:focus {
  outline: none;
  border-color: var(--z-tint);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.15);
}

.zen-divider {
  height: 0.5px;
  background: var(--z-sep);
  margin: 0.75rem 0;
}

/* ---- Alerts ---- */
.zen-alert {
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 0.6rem;
}

.zen-alert.notice { background: rgba(52,199,89,0.1); color: #1a8d3e; }
.zen-alert.alert { background: rgba(255,59,48,0.1); color: #c62828; }

/* ---- Accuracy Range Tag ---- */
.zen-range-tag {
  border-radius: 999px;
  background: rgba(255,149,0,0.12);
  color: #96600a;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.12rem 0.4rem;
}

/* ---- Detail Card (meal show, new, edit) ---- */
.zcal-detail-card {
  background: var(--z-surface);
  border-radius: var(--z-radius-lg);
  padding: 1.1rem 1rem;
  margin-top: 0.5rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.zcal-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.6rem;
}

.zcal-detail-title {
  margin: 0;
  font-family: var(--z-font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.zcal-detail-subtitle {
  margin: 0.2rem 0 0;
  color: var(--z-label-2);
  font-size: 0.88rem;
}

.zcal-detail-actions {
  display: flex;
  gap: 0.3rem;
}

/* Empty state */
.zcal-empty {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--z-label-2);
}

.zcal-empty h2 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--z-label);
}

.zcal-empty p {
  margin: 0.3rem 0 0;
  font-size: 0.88rem;
}

/* ---- Goal Settings (profile page) ---- */
.zen-goal-settings {
  border-radius: var(--z-radius);
  background: var(--z-surface);
  padding: 0.85rem;
}

.zen-goal-settings-head { margin-bottom: 0.6rem; }

.zen-goal-settings-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.zen-goal-settings-note {
  margin: 0.15rem 0 0;
  color: var(--z-label-2);
  font-size: 0.8rem;
}

.zen-goal-settings-form { display: grid; gap: 0.6rem; }

.zen-goal-field label {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--z-label-2);
}

.zen-goal-field-input {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.zen-goal-field-input .zen-input { min-width: 0; }

.zen-goal-field-input span {
  min-width: 1.8rem;
  text-align: right;
  color: var(--z-label-2);
  font-size: 0.75rem;
  font-weight: 600;
}

/* ---- Calorie Calculator ---- */
.zen-calorie-grid { display: grid; gap: 0.6rem; }

.zen-calorie-results {
  margin-top: 0.6rem;
  display: grid;
  gap: 0.4rem;
}

.zen-calorie-chip {
  border-radius: 10px;
  border: 0.5px solid var(--z-sep);
  background: var(--z-surface);
  padding: 0.55rem 0.65rem;
}

.zen-calorie-chip span {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--z-label-2);
}

.zen-calorie-chip strong {
  display: block;
  margin-top: 0.15rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.zen-calorie-chip small {
  display: block;
  margin-top: 0.04rem;
  font-size: 0.7rem;
  color: var(--z-label-2);
}

.zen-calorie-hint {
  margin: 0.5rem 0 0;
  color: var(--z-label-2);
  font-size: 0.75rem;
}

.zen-calorie-actions {
  margin-top: 0.5rem;
  display: grid;
  gap: 0.35rem;
}

.zen-calorie-actions .zen-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.zen-calorie-status {
  margin: 0;
  font-size: 0.75rem;
  color: var(--z-label-2);
}

/* ---- Timezone Picker ---- */
.zen-tz-picker { position: relative; }

.zen-tz-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  width: 100%;
  border-radius: 10px;
  border: 0.5px solid var(--z-sep-opaque);
  background: var(--z-surface);
  padding: 0.55rem 0.65rem;
  color: var(--z-label);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  text-align: left;
}

.zen-tz-trigger:focus {
  outline: none;
  border-color: var(--z-tint);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.15);
}

.zen-tz-trigger svg {
  flex-shrink: 0;
  color: var(--z-label-3);
  transition: transform 200ms;
}

.zen-tz-dropdown.is-open .zen-tz-trigger svg,
.zen-tz-picker:has(.zen-tz-dropdown.is-open) .zen-tz-trigger svg {
  transform: rotate(180deg);
}

.zen-tz-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  z-index: 50;
  margin-top: 0.25rem;
  border-radius: 10px;
  background: var(--z-surface);
  border: 0.5px solid var(--z-sep-opaque);
  box-shadow: var(--z-shadow-lg);
  overflow: hidden;
}

.zen-tz-dropdown.is-open { display: block; }

.zen-tz-search {
  border: none !important;
  border-bottom: 0.5px solid var(--z-sep) !important;
  border-radius: 0 !important;
  padding: 0.55rem 0.65rem !important;
  font-size: 0.85rem !important;
}

.zen-tz-search:focus {
  outline: none !important;
  box-shadow: none !important;
}

.zen-tz-list {
  max-height: 200px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.zen-tz-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  width: 100%;
  border: none;
  background: transparent;
  padding: 0.45rem 0.65rem;
  font: inherit;
  font-size: 0.82rem;
  color: var(--z-label);
  cursor: pointer;
  text-align: left;
}

.zen-tz-option:hover, .zen-tz-option.is-highlighted { background: rgba(0,122,255,0.06); }
.zen-tz-option.is-selected { background: rgba(0,122,255,0.1); font-weight: 600; }

.zen-tz-option-offset {
  color: var(--z-label-3);
  font-size: 0.75rem;
  font-weight: 500;
}

/* ---- Responsive: Desktop ---- */
@media (min-width: 760px) {
  .zen-page-shell { width: min(800px, calc(100% - 2rem)); }

  .zen-main { padding-bottom: 2rem; }

  .zen-nav { display: flex; }
  .zen-topbar-actions { gap: 0.6rem; }

  .zen-mobile-nav { display: none; }

  .zcal-fab {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 56px;
    height: 56px;
  }

  .zcal-fab svg { width: 28px; height: 28px; }

  .zcal-calendar-cell { min-height: 80px; padding: 0.4rem; }
  .zen-goal-bars.is-compact {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }

  .zen-toast {
    left: auto;
    right: 1rem;
    transform: translateX(0) translateY(-120%);
  }

  .zen-toast-visible { transform: translateX(0) translateY(0); }

  .zen-calorie-grid { grid-template-columns: repeat(2, 1fr); }
  .zen-calorie-field-wide { grid-column: span 2; }
  .zen-calorie-results { grid-template-columns: repeat(3, 1fr); }

  .zen-auth-card { padding: 1.75rem; }
}

@media (min-width: 1024px) {
  .zen-page-shell { width: min(900px, calc(100% - 2.5rem)); }
  .zcal-calendar-cell { min-height: 95px; }
}

/* ================================================
   Apple Fitness Landing Page — v2
   ================================================ */

.af-home {
  --af-bg: #000000;
  --af-surface: rgba(255, 255, 255, 0.04);
  --af-surface-solid: #111113;
  --af-surface-elevated: #1c1c1e;
  --af-text: #f5f5f7;
  --af-text-secondary: rgba(255, 255, 255, 0.55);
  --af-text-tertiary: rgba(255, 255, 255, 0.32);
  --af-border: rgba(255, 255, 255, 0.06);
  --af-pink: #ff375f;
  --af-green: #30d158;
  --af-neon: #b6f736;
  --af-blue: #0a84ff;
  --af-cyan: #64d2ff;
  --af-purple: #bf5af2;
  --af-orange: #ff9f0a;
  --af-r: 22px;
  --af-r-lg: 32px;

  position: relative;
  min-height: 100vh;
  background: var(--af-bg);
  color: var(--af-text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.af-bg-glow { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.af-glow { position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.35; }
.af-glow-1 { width: 600px; height: 600px; top: -180px; left: 50%; transform: translateX(-50%); background: radial-gradient(circle, var(--af-pink) 0%, transparent 70%); }
.af-glow-2 { width: 500px; height: 500px; top: 40%; left: -120px; background: radial-gradient(circle, var(--af-neon) 0%, transparent 70%); opacity: 0.18; }
.af-glow-3 { width: 450px; height: 450px; top: 60%; right: -100px; background: radial-gradient(circle, var(--af-cyan) 0%, transparent 70%); opacity: 0.15; }
.af-grain { position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.022; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); background-repeat: repeat; background-size: 180px; }
.af-shell { position: relative; z-index: 2; width: min(1100px, calc(100% - 2.5rem)); margin: 0 auto; }
.af-reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1); }
.af-reveal.af-visible { opacity: 1; transform: translateY(0); }
.af-reveal-delay-1 { transition-delay: 0.12s; }
.af-reveal-delay-2 { transition-delay: 0.24s; }
.af-nav { position: sticky; top: 0; z-index: 100; backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); background: rgba(0, 0, 0, 0.65); border-bottom: 1px solid var(--af-border); }
.af-nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 3.6rem; }
.af-brand { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.15rem; letter-spacing: -0.025em; color: #fff; text-decoration: none; }
.af-brand-sm { font-size: 1rem; }
.af-brand-ring { display: flex; align-items: center; }
.af-nav-links { display: none; align-items: center; gap: 2rem; }
.af-nav-links a { text-decoration: none; color: var(--af-text-secondary); font-size: 0.84rem; font-weight: 500; transition: color 200ms; }
.af-nav-links a:hover { color: #fff; }
.af-nav-actions { display: flex; align-items: center; gap: 0.4rem; }
.af-btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem; border: none; border-radius: 980px; padding: 0.52rem 1.15rem; font-family: inherit; font-size: 0.86rem; font-weight: 600; cursor: pointer; text-decoration: none; transition: all 240ms cubic-bezier(0.16, 1, 0.3, 1); white-space: nowrap; position: relative; }
.af-btn svg { flex-shrink: 0; }
.af-btn-primary { background: #fff; color: #000; }
.af-btn-primary:hover { background: #e8e8ed; transform: translateY(-1px); }
.af-btn-pill { background: rgba(255, 255, 255, 0.1); color: #fff; border: 1px solid rgba(255, 255, 255, 0.12); }
.af-btn-pill:hover { background: rgba(255, 255, 255, 0.16); border-color: rgba(255, 255, 255, 0.2); }
.af-btn-ghost { background: transparent; color: var(--af-text-secondary); padding: 0.52rem 0.75rem; }
.af-btn-ghost:hover { color: #fff; }
.af-btn-glass { background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.1); color: var(--af-text); backdrop-filter: blur(8px); }
.af-btn-glass:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.18); transform: translateY(-1px); }
.af-btn-lg { padding: 0.7rem 1.7rem; font-size: 0.92rem; }
.af-btn-full { width: 100%; }
.af-btn-glow { box-shadow: 0 0 20px rgba(255, 255, 255, 0.1), 0 0 60px rgba(255, 255, 255, 0.04); }
.af-btn-glow:hover { box-shadow: 0 0 24px rgba(255, 255, 255, 0.15), 0 0 80px rgba(255, 255, 255, 0.06); }
.af-btn-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.8rem; }
.af-btn-row-center { justify-content: center; }
.af-label { margin: 0; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.af-label-green { color: var(--af-neon); }
.af-label-pink { color: var(--af-pink); }
.af-label-blue { color: var(--af-cyan); }
.af-label-purple { color: var(--af-purple); }
.af-display { margin: 0.85rem 0 0; font-size: clamp(2.6rem, 6.5vw, 4.6rem); font-weight: 800; letter-spacing: -0.045em; line-height: 1.02; color: #fff; }
.af-h2 { margin: 0.5rem 0 0; font-size: clamp(1.8rem, 4vw, 3.2rem); font-weight: 800; letter-spacing: -0.035em; line-height: 1.06; }
.af-gradient-text { background: linear-gradient(135deg, var(--af-pink) 0%, var(--af-orange) 50%, var(--af-neon) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.af-gradient-text-purple { background: linear-gradient(135deg, var(--af-purple) 0%, var(--af-cyan) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.af-dim { color: var(--af-text-secondary); }
.af-body-lg { margin: 1rem 0 0; font-size: 1.08rem; line-height: 1.6; color: var(--af-text-secondary); max-width: 540px; }
.af-br-desktop { display: none; }
.af-main { padding: 0; }
.af-hero { padding: 4rem 0 0; text-align: center; }
.af-hero-center { max-width: 740px; margin: 0 auto; }
.af-hero-center .af-body-lg { margin-left: auto; margin-right: auto; }
.af-hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.38rem 0.9rem 0.38rem 0.65rem; border-radius: 980px; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.08); font-size: 0.78rem; font-weight: 600; color: var(--af-text-secondary); letter-spacing: 0.01em; }
.af-hero-badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--af-neon); box-shadow: 0 0 8px var(--af-neon); animation: af-pulse 2.4s ease-in-out infinite; }
@keyframes af-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }
.af-hero-sub { margin: 1rem auto 0; font-size: 1.12rem; line-height: 1.6; color: var(--af-text-secondary); max-width: 520px; }
.af-hero-visual { margin-top: 3rem; padding-bottom: 0; }
.af-ui-card { position: relative; max-width: 520px; margin: 0 auto; background: var(--af-surface-solid); border: 1px solid var(--af-border); border-radius: var(--af-r-lg); padding: 1.5rem; overflow: hidden; }
.af-ui-card-glow { position: absolute; top: -60%; left: 50%; transform: translateX(-50%); width: 400px; height: 200px; border-radius: 50%; background: radial-gradient(ellipse, rgba(255, 55, 95, 0.12) 0%, transparent 70%); pointer-events: none; }
.af-ui-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.1rem; padding-bottom: 0.85rem; border-bottom: 1px solid var(--af-border); }
.af-ui-header-left { display: flex; align-items: baseline; gap: 0.5rem; }
.af-ui-day { font-weight: 700; font-size: 1.05rem; }
.af-ui-date { color: var(--af-text-tertiary); font-size: 0.82rem; font-weight: 500; }
.af-ui-status { display: flex; align-items: center; gap: 0.45rem; font-size: 0.78rem; color: var(--af-text-secondary); font-weight: 600; }
.af-ui-meals { display: grid; gap: 0; }
.af-ui-meal { display: flex; align-items: center; gap: 0.75rem; padding: 0.72rem 0; border-bottom: 1px solid var(--af-border); }
.af-ui-meal:last-child { border-bottom: none; }
.af-ui-meal-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.af-ui-meal-info { flex: 1; min-width: 0; }
.af-ui-meal-label { display: block; font-size: 0.68rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--af-text-tertiary); }
.af-ui-meal-name { display: block; font-size: 0.9rem; font-weight: 600; margin-top: 0.1rem; }
.af-ui-meal-cal { font-size: 1.15rem; font-weight: 700; color: #fff; font-variant-numeric: tabular-nums; }
.af-ui-footer { margin-top: 1rem; }
.af-ui-progress { margin-bottom: 0.65rem; }
.af-ui-progress-bar { height: 5px; border-radius: 3px; background: rgba(255, 255, 255, 0.06); overflow: hidden; }
.af-ui-progress-fill { display: block; height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--af-pink), var(--af-orange), var(--af-neon)); transition: width 1s cubic-bezier(0.16, 1, 0.3, 1); }
.af-ui-cta { display: flex; align-items: center; justify-content: center; padding: 0.6rem; border-radius: 14px; background: rgba(48, 209, 88, 0.1); border: 1px solid rgba(48, 209, 88, 0.15); color: var(--af-green); font-size: 0.82rem; font-weight: 700; }
.af-section-sm { margin-top: 2.5rem; }
.af-proof { display: flex; align-items: center; justify-content: center; gap: 0.75rem; }
.af-proof-avatars { display: flex; }
.af-proof-avatar { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.62rem; font-weight: 800; color: #fff; border: 2px solid #000; margin-left: -6px; }
.af-proof-avatar:first-child { margin-left: 0; }
.af-proof-text { font-size: 0.82rem; color: var(--af-text-tertiary); font-weight: 500; }
.af-section { margin-top: 7rem; position: relative; }
.af-section-last { margin-bottom: 4rem; }
.af-section-head { margin-bottom: 2.5rem; }
.af-section-head-center { text-align: center; }
.af-section-head-center .af-body-lg { margin-left: auto; margin-right: auto; }
.af-steps { display: grid; gap: 1rem; }
.af-step-card { background: var(--af-surface); border: 1px solid var(--af-border); border-radius: var(--af-r); padding: 1.6rem; transition: border-color 300ms, background 300ms; position: relative; overflow: hidden; }
.af-step-card:hover { border-color: rgba(255, 255, 255, 0.12); background: rgba(255, 255, 255, 0.06); }
.af-step-number { font-size: 0.68rem; font-weight: 700; color: var(--af-text-tertiary); letter-spacing: 0.08em; font-variant-numeric: tabular-nums; }
.af-step-ring { margin: 0.75rem 0; }
.af-step-card h3 { margin: 0; font-size: 1.15rem; font-weight: 700; letter-spacing: -0.015em; }
.af-step-card p { margin: 0.4rem 0 0; color: var(--af-text-secondary); font-size: 0.9rem; line-height: 1.5; }
.af-bento { display: grid; gap: 1rem; }
.af-bento-card { background: var(--af-surface); border: 1px solid var(--af-border); border-radius: var(--af-r); padding: 1.6rem; transition: border-color 300ms, transform 300ms, background 300ms; position: relative; overflow: hidden; }
.af-bento-card:hover { border-color: rgba(255, 255, 255, 0.12); background: rgba(255, 255, 255, 0.06); transform: translateY(-2px); }
.af-bento-icon { width: 40px; height: 40px; border-radius: 12px; background: rgba(255, 255, 255, 0.04); display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; }
.af-bento-icon svg { width: 22px; height: 22px; }
.af-bento-card h3 { margin: 0; font-size: 1.12rem; font-weight: 700; letter-spacing: -0.015em; }
.af-bento-card p { margin: 0.4rem 0 0; color: var(--af-text-secondary); font-size: 0.9rem; line-height: 1.5; }
.af-bento-preview { margin-top: 1.25rem; }
.af-mini-cal { display: flex; gap: 0.45rem; }
.af-cal-dot { width: 28px; height: 28px; border-radius: 8px; background: rgba(255, 255, 255, 0.04); }
.af-cal-done { background: rgba(48, 209, 88, 0.2); border: 1.5px solid rgba(48, 209, 88, 0.4); }
.af-cal-partial { background: rgba(255, 159, 10, 0.15); border: 1.5px solid rgba(255, 159, 10, 0.35); }
.af-cal-today { background: rgba(255, 55, 95, 0.15); border: 1.5px solid rgba(255, 55, 95, 0.4); box-shadow: 0 0 10px rgba(255, 55, 95, 0.15); }
.af-bento-stat { margin-top: 1.25rem; display: flex; align-items: baseline; gap: 0.5rem; }
.af-bento-stat-num { font-size: 2.8rem; font-weight: 800; letter-spacing: -0.04em; background: linear-gradient(135deg, var(--af-neon), var(--af-green)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; }
.af-bento-stat-label { font-size: 0.88rem; color: var(--af-text-tertiary); font-weight: 500; }
.af-bento-range { margin-top: 1.25rem; display: flex; flex-direction: column; gap: 0.4rem; }
.af-range-bar { display: block; height: 6px; border-radius: 3px; background: linear-gradient(90deg, rgba(4, 199, 255, 0.15) 0%, var(--af-cyan) 30%, var(--af-cyan) 70%, rgba(4, 199, 255, 0.15) 100%); }
.af-range-label { font-size: 0.78rem; color: var(--af-text-tertiary); font-weight: 500; font-variant-numeric: tabular-nums; }
.af-band { position: relative; border-radius: var(--af-r-lg); background: var(--af-surface-solid); border: 1px solid var(--af-border); padding: 2.2rem 1.6rem; display: grid; gap: 2.5rem; overflow: hidden; }
.af-band-glow { position: absolute; top: -50%; right: -20%; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(182, 247, 54, 0.08) 0%, transparent 60%); pointer-events: none; }
.af-band-content { position: relative; }
.af-band-stats { display: grid; gap: 0.65rem; }
.af-stat { background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.05); border-radius: 16px; padding: 1rem 1.1rem; display: flex; flex-direction: column; gap: 0.15rem; }
.af-stat-value { font-size: 1.4rem; font-weight: 800; letter-spacing: -0.03em; }
.af-stat-label { font-size: 0.76rem; color: var(--af-text-tertiary); font-weight: 500; }
.af-gpt { max-width: 560px; margin: 0 auto; }
.af-gpt-window { background: var(--af-surface-solid); border: 1px solid var(--af-border); border-radius: var(--af-r); overflow: hidden; }
.af-gpt-dots { display: flex; gap: 6px; padding: 0.8rem 1rem; border-bottom: 1px solid var(--af-border); }
.af-gpt-dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.08); }
.af-gpt-chat { padding: 1.2rem; display: grid; gap: 0.85rem; }
.af-gpt-msg p { margin: 0; font-size: 0.9rem; line-height: 1.5; padding: 0.7rem 0.95rem; border-radius: 16px; }
.af-gpt-msg-user p { background: rgba(255, 255, 255, 0.06); color: var(--af-text-secondary); }
.af-gpt-msg-ai p { background: rgba(191, 90, 242, 0.08); border: 1px solid rgba(191, 90, 242, 0.1); }
.af-gpt-macros { display: flex; gap: 1rem; padding: 0.6rem 0.95rem 0; font-size: 0.78rem; color: var(--af-text-tertiary); }
.af-gpt-macros strong { color: var(--af-neon); font-weight: 700; }
.af-gpt-hint { margin: 1rem 0 0; text-align: center; font-size: 0.88rem; color: var(--af-text-tertiary); }
.af-pricing { display: flex; justify-content: center; }
.af-pricing-card { position: relative; width: 100%; max-width: 420px; background: var(--af-surface-solid); border: 1px solid var(--af-border); border-radius: var(--af-r-lg); padding: 2.2rem 1.8rem; overflow: hidden; }
.af-pricing-glow { position: absolute; top: -40%; left: 50%; transform: translateX(-50%); width: 300px; height: 200px; border-radius: 50%; background: radial-gradient(ellipse, rgba(182, 247, 54, 0.06) 0%, transparent 70%); pointer-events: none; }
.af-pricing-header { margin-bottom: 0.75rem; }
.af-pricing-tag { display: inline-block; padding: 0.28rem 0.7rem; border-radius: 980px; background: rgba(48, 209, 88, 0.1); border: 1px solid rgba(48, 209, 88, 0.15); color: var(--af-green); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.af-pricing-amount { margin-bottom: 0.5rem; }
.af-pricing-dollar { font-size: 4rem; font-weight: 800; letter-spacing: -0.05em; line-height: 1; }
.af-pricing-desc { margin: 0 0 1.2rem; color: var(--af-text-secondary); font-size: 0.92rem; line-height: 1.5; }
.af-pricing-list { list-style: none; padding: 0; margin: 0 0 1.5rem; display: grid; gap: 0.55rem; }
.af-pricing-list li { display: flex; align-items: center; gap: 0.55rem; font-size: 0.88rem; color: var(--af-text-secondary); font-weight: 500; }
.af-pricing-list svg { flex-shrink: 0; }
.af-footer { position: relative; z-index: 2; border-top: 1px solid var(--af-border); padding: 3rem 0; }
.af-footer-inner { display: flex; flex-direction: column; gap: 1.25rem; }
.af-footer-brand { display: flex; flex-direction: column; gap: 0.35rem; }
.af-footer-brand p { margin: 0; color: var(--af-text-tertiary); font-size: 0.82rem; }
.af-footer-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.af-footer-links a { text-decoration: none; color: var(--af-text-tertiary); font-size: 0.82rem; font-weight: 500; transition: color 200ms; }
.af-footer-links a:hover { color: #fff; }

@media (min-width: 760px) {
  .af-nav-links { display: flex; }
  .af-br-desktop { display: inline; }
  .af-hero { padding: 6rem 0 0; }
  .af-hero-visual { margin-top: 4rem; }
  .af-steps { grid-template-columns: repeat(3, 1fr); }
  .af-bento { grid-template-columns: repeat(2, 1fr); }
  .af-bento-wide { grid-column: 1 / -1; }
  .af-band { grid-template-columns: 1.2fr 0.8fr; align-items: center; padding: 3rem 2.5rem; }
  .af-footer-inner { flex-direction: row; align-items: flex-start; justify-content: space-between; }
}

@media (min-width: 1024px) {
  .af-hero { padding: 8rem 0 0; }
  .af-section { margin-top: 9rem; }
  .af-bento { grid-template-columns: 1.35fr 1fr; }
  .af-bento-wide { grid-column: 1 / 2; grid-row: 1 / 3; display: flex; flex-direction: column; }
  .af-bento-wide .af-bento-preview { margin-top: auto; padding-top: 1rem; }
  .af-band { padding: 3.5rem 3rem; }
}

/* =============================================
   Calendar App SPA — panels, animations, header
   ============================================= */

/* --- Sticky header --- */
.zcal-sticky-header {
  position: sticky;
  top: 44px;
  z-index: 30;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(242, 242, 247, 0.88);
  border-bottom: 0.5px solid var(--z-sep);
  padding: 0.5rem 0 0.4rem;
  overflow: hidden;
}

.zcal-sticky-title {
  margin: 0;
  font-family: var(--z-font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  text-align: center;
}

.zcal-sticky-stats {
  display: flex;
  justify-content: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-top: 0.25rem;
  font-size: 0.72rem;
  color: var(--z-label-2);
}

.zcal-sticky-stats .zcal-stat-pill {
  padding: 0.2rem 0.5rem;
  font-size: 0.72rem;
}

.zcal-sticky-month,
.zcal-sticky-week {
  transition: transform 250ms cubic-bezier(0.32, 0.72, 0, 1),
              opacity 200ms cubic-bezier(0.32, 0.72, 0, 1);
}

.zcal-sticky-month.is-hidden {
  transform: translateY(-16px);
  opacity: 0;
  position: absolute;
  pointer-events: none;
  width: 100%;
}

.zcal-sticky-week.is-hidden {
  transform: translateY(16px);
  opacity: 0;
  position: absolute;
  pointer-events: none;
  width: 100%;
}

/* --- Panels --- */
.zcal-panels-viewport {
  position: relative;
  overflow: hidden;
  clip-path: inset(0);
  min-height: calc(100vh - 44px - 100px);
}

.zcal-panels {
  position: relative;
  width: 100%;
  height: 100%;
}

.zcal-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: calc(100vh - 44px - 100px);
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--z-bg);
  transition: transform 300ms cubic-bezier(0.32, 0.72, 0, 1);
  will-change: transform;
}

.zcal-panel.is-left { transform: translateX(-30%); pointer-events: none; visibility: hidden; }
.zcal-panel.is-center { transform: translateX(0); pointer-events: auto; visibility: visible; }
.zcal-panel.is-right { transform: translateX(100%); pointer-events: none; visibility: hidden; }

/* --- Scroll container --- */
.zcal-scroll-container {
  height: calc(100vh - 44px - 100px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

.zcal-scroll-sentinel { height: 1px; width: 100%; }

/* --- Month blocks --- */
.zcal-month-block {
  padding: 0 0 0.75rem;
}

.zcal-month-label {
  padding: 1rem 0.5rem 0.4rem;
  font-family: var(--z-font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--z-label);
}

/* --- Meal row macros (collapsed) --- */
.zcal-row-macros {
  display: flex;
  gap: 0.4rem;
  font-size: 0.7rem;
  color: var(--z-label-3);
  margin-top: 0.2rem;
  font-weight: 500;
}

.zcal-row-macros span:first-child {
  color: var(--z-cal-color);
  font-weight: 600;
}

/* --- Day content transitions --- */
.zcal-day-content {
  transition: transform 250ms cubic-bezier(0.32, 0.72, 0, 1),
              opacity 150ms ease;
}
.zcal-day-content.zcal-enter-right { transform: translateX(40px); opacity: 0; }
.zcal-day-content.zcal-enter-left { transform: translateX(-40px); opacity: 0; }
.zcal-day-content.zcal-exit-left { transform: translateX(-40px); opacity: 0; }
.zcal-day-content.zcal-exit-right { transform: translateX(40px); opacity: 0; }

/* --- Day panel --- */
.zcal-panel[data-calendar-app-target="dayPanel"] {
  touch-action: pan-y;
  padding: 0 0.15rem;
}

/* --- Back button --- */
.zcal-back-btn {
  display: none;
  align-items: center;
  gap: 0;
  background: none;
  border: none;
  color: var(--z-tint);
  font-family: var(--z-font);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.3rem 0.2rem;
  -webkit-tap-highlight-color: transparent;
  transition: opacity 150ms;
}

.zcal-back-btn:active { opacity: 0.5; }
.zcal-back-btn.is-visible { display: flex; }

.zcal-back-btn svg {
  width: 22px;
  height: 22px;
  margin-right: -2px;
}

/* --- Detail panel --- */
.zcal-panel[data-calendar-app-target="detailPanel"] {
  padding: 0.25rem 0.15rem;
}