/* ==========================================================================
   Paul's Custom Fitness & Fat-Loss Tracker — Design System (index.css)
   Aesthetic: Warm Athletic Daylight (High-Craft Light Mode)
   ========================================================================== */

:root {
  /* Surface Palette — Warm Alabaster & Stone */
  --bg-canvas: #F6F5F0;
  --bg-surface: #FFFFFF;
  --bg-subtle: #EFECE6;
  --bg-muted: #E6E2DA;

  /* Typography & Ink Hierarchy */
  --ink-primary: #141619;
  --ink-secondary: #4A4F55;
  --ink-muted: #787E87;
  --ink-on-accent: #FFFFFF;

  /* Activity & Semantic Accents (HSL-tailored, zero purple) */
  --accent-gym: #157347;         /* Deep Forest Emerald — Company Gym */
  --accent-gym-soft: #E7F4ED;
  --accent-badminton: #D9532F;   /* Energetic Terracotta — Friday Badminton */
  --accent-badminton-soft: #FCECE8;
  --accent-swim: #0277BD;        /* Crisp Pool Cerulean — Swimming Pool */
  --accent-swim-soft: #E5F3FA;
  --accent-rest: #6C757D;        /* Calm Slate — Rest & Recovery */
  --accent-rest-soft: #F1F3F5;
  --accent-warning: #C87D12;
  --accent-warning-soft: #FDF3E3;

  /* Structural Borders & Dividers */
  --hairline: rgba(20, 22, 25, 0.09);
  --hairline-strong: rgba(20, 22, 25, 0.16);

  /* Elevation & Depth */
  --shadow-card: 0 2px 6px rgba(20, 22, 25, 0.04), 0 10px 24px -4px rgba(20, 22, 25, 0.05);
  --shadow-float: 0 12px 32px -4px rgba(20, 22, 25, 0.12), 0 4px 12px rgba(20, 22, 25, 0.06);

  /* Radii & Spacing */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  padding-bottom: 88px; /* Space for mobile bottom nav */
}

/* Tabular Numerals for all metrics, weights, dates, and timers */
.tabular-nums {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* ==========================================================================
   Layout Container & Header
   ========================================================================== */

.app-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-4);
}

.top-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--hairline);
}

.brand-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background-color: var(--ink-primary);
  color: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand-titles h1 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--ink-primary);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.875rem;
  color: var(--ink-secondary);
  margin-top: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ==========================================================================
   Buttons & Interactive Controls
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 9px 15px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.14s ease, background-color 0.14s ease, border-color 0.14s ease, box-shadow 0.14s ease;
  white-space: nowrap;
  user-select: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--ink-primary);
  color: var(--ink-on-accent);
}

.btn-primary:hover {
  background-color: #272B30;
}

.btn-gym {
  background-color: var(--accent-gym);
  color: var(--ink-on-accent);
}

.btn-gym:hover {
  background-color: #115E3A;
}

.btn-swim {
  background-color: var(--accent-swim);
  color: var(--ink-on-accent);
}

.btn-swim:hover {
  background-color: #01629B;
}

.btn-badminton {
  background-color: var(--accent-badminton);
  color: var(--ink-on-accent);
}

.btn-badminton:hover {
  background-color: #BF4524;
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--ink-primary);
  border-color: var(--hairline-strong);
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
}

.btn-ghost {
  background-color: transparent;
  color: var(--ink-secondary);
  padding: 6px 10px;
}

.btn-ghost:hover {
  background-color: var(--bg-subtle);
  color: var(--ink-primary);
}

.btn-cloud {
  background-color: var(--bg-surface);
  color: var(--ink-primary);
  border-color: var(--hairline-strong);
}

.btn-cloud:hover {
  background-color: var(--bg-subtle);
}

.btn-cloud.synced {
  border-color: rgba(21, 115, 71, 0.38);
  background-color: rgba(21, 115, 71, 0.06);
  color: var(--accent-gym);
}

.btn-cloud.pending {
  border-color: rgba(180, 83, 9, 0.38);
  background-color: rgba(217, 119, 6, 0.08);
  color: #9A3412;
}

.cloud-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #9CA3AF;
  display: inline-block;
  flex-shrink: 0;
}

.cloud-dot.synced {
  background-color: var(--accent-gym);
  box-shadow: 0 0 0 3px rgba(21, 115, 71, 0.16);
}

.cloud-dot.syncing {
  background-color: var(--accent-swim);
}

.cloud-dot.error {
  background-color: #D97706;
}

.cloud-probe-banner {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  line-height: 1.45;
  background-color: var(--bg-subtle);
  border: 1px solid var(--hairline-strong);
  color: var(--ink-secondary);
}

.cloud-probe-banner.ready {
  background-color: rgba(21, 115, 71, 0.08);
  border-color: rgba(21, 115, 71, 0.3);
  color: #0F5132;
}

.cloud-probe-banner.warn {
  background-color: rgba(217, 119, 6, 0.09);
  border-color: rgba(217, 119, 6, 0.32);
  color: #92400E;
}

.cloud-toggle-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--ink-secondary);
  cursor: pointer;
  line-height: 1.45;
}

.cloud-toggle-row input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--accent-gym);
}

.cloud-meta-row {
  font-size: 0.78rem;
  color: var(--ink-muted);
  padding: 8px 10px;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-sm);
}

.cloud-guide-details {
  border-top: 1px solid var(--hairline);
  padding-top: 10px;
  font-size: 0.8125rem;
  color: var(--ink-secondary);
}

.cloud-guide-details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink-primary);
  user-select: none;
}

.cloud-guide-steps {
  margin: 8px 0 0 18px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  line-height: 1.5;
}

.cloud-guide-steps code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background-color: var(--bg-subtle);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--ink-primary);
}

/* ==========================================================================
   Main Two-Column Responsive Workspace
   ========================================================================== */

.workspace-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-6);
  align-items: start;
}

.column-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.surface-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.section-title {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink-primary);
}

.section-caption {
  font-size: 0.8125rem;
  color: var(--ink-muted);
}

/* ==========================================================================
   1. Today's Destination & Reminder Banner
   ========================================================================== */

.today-hero {
  position: relative;
  overflow: hidden;
}

.today-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.date-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-secondary);
  background-color: var(--bg-subtle);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}

.status-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: var(--radius-sm);
}

.status-tag.gym {
  background-color: var(--accent-gym-soft);
  color: var(--accent-gym);
}

.status-tag.badminton {
  background-color: var(--accent-badminton-soft);
  color: var(--accent-badminton);
}

.status-tag.swim {
  background-color: var(--accent-swim-soft);
  color: var(--accent-swim);
}

.status-tag.rest {
  background-color: var(--accent-rest-soft);
  color: var(--accent-rest);
}

.destination-banner {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  background-color: var(--bg-canvas);
  border: 1px solid var(--hairline);
  margin-bottom: var(--space-5);
}

.destination-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin-bottom: 6px;
}

.destination-headline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-2);
}

.destination-place {
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--ink-primary);
}

.destination-time-chip {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  color: var(--ink-primary);
}

.destination-desc {
  font-size: 0.9375rem;
  color: var(--ink-secondary);
  margin-bottom: var(--space-4);
}

.reminder-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-warning-soft);
  color: #7A4B08;
  font-size: 0.875rem;
  font-weight: 500;
  flex-wrap: wrap;
}

/* Equipment / Gear Checklist */
.gear-section {
  margin-bottom: var(--space-5);
}

.gear-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink-secondary);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gear-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.gear-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-canvas);
  border: 1px solid var(--hairline-strong);
  font-size: 0.875rem;
  color: var(--ink-primary);
  cursor: pointer;
  transition: all 0.14s ease;
  user-select: none;
}

.gear-chip input[type="checkbox"] {
  accent-color: var(--accent-gym);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

.gear-chip.checked {
  background-color: var(--accent-gym-soft);
  border-color: rgba(21, 115, 71, 0.3);
  color: var(--accent-gym);
  text-decoration: line-through;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding-top: var(--space-4);
  border-top: 1px solid var(--hairline);
}

.hero-action-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ==========================================================================
   2. Weekly Goal Progress & Schedule Matrix (3 Gym + Fri Badminton + Swim)
   ========================================================================== */

.weekly-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.kpi-box {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background-color: var(--bg-canvas);
  border: 1px solid var(--hairline);
}

.kpi-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink-secondary);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.kpi-value {
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--ink-muted);
  margin-top: 2px;
}

.week-schedule-list {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-2);
}

.day-slot {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 12px 10px;
  border-radius: var(--radius-md);
  background-color: var(--bg-canvas);
  border: 1px solid var(--hairline);
  cursor: pointer;
  transition: transform 0.14s ease, border-color 0.14s ease, background-color 0.14s ease;
  min-height: 126px;
}

.day-slot:hover {
  transform: translateY(-2px);
  border-color: var(--hairline-strong);
}

.day-slot.is-today {
  background-color: var(--bg-surface);
  border-color: var(--ink-primary);
  box-shadow: 0 0 0 1px var(--ink-primary);
}

.day-slot.is-selected {
  background-color: var(--bg-subtle);
}

.day-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.day-name {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.day-date-num {
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.day-venue-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 7px;
  border-radius: 6px;
  line-height: 1.25;
  margin-bottom: 6px;
}

.day-venue-badge.gym {
  background-color: var(--accent-gym-soft);
  color: var(--accent-gym);
}

.day-venue-badge.badminton {
  background-color: var(--accent-badminton-soft);
  color: var(--accent-badminton);
}

.day-venue-badge.swim {
  background-color: var(--accent-swim-soft);
  color: var(--accent-swim);
}

.day-venue-badge.rest {
  background-color: var(--accent-rest-soft);
  color: var(--accent-rest);
}

.day-meta {
  font-size: 0.75rem;
  color: var(--ink-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
}

.day-check-indicator {
  font-weight: 700;
  color: var(--accent-gym);
}

/* Schedule Editor Drawer inside Weekly Section */
.day-editor-bar {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background-color: var(--bg-canvas);
  border: 1px solid var(--hairline);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.day-editor-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

/* ==========================================================================
   3. Fat-Loss Goal & Weight Trend Panel
   ========================================================================== */

.goal-summary-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.metric-tile {
  padding: 12px;
  border-radius: var(--radius-md);
  background-color: var(--bg-canvas);
  border: 1px solid var(--hairline);
}

.metric-tile-label {
  font-size: 0.75rem;
  color: var(--ink-muted);
  margin-bottom: 4px;
}

.metric-tile-val {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--ink-primary);
  letter-spacing: -0.02em;
}

.metric-tile-unit {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-secondary);
  margin-left: 2px;
}

.progress-track-wrap {
  margin-bottom: var(--space-5);
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink-secondary);
  margin-bottom: 6px;
}

.progress-track {
  height: 10px;
  background-color: var(--bg-subtle);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background-color: var(--accent-gym);
  border-radius: 999px;
  transition: width 0.35s ease;
}

/* SVG Weight Chart Container */
.chart-box {
  background-color: var(--bg-canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
}

.chart-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.chart-legend {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.75rem;
  color: var(--ink-secondary);
}

.legend-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin-right: 5px;
}

.chart-svg-wrapper {
  width: 100%;
  height: 210px;
  position: relative;
}

.chart-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* Weight Quick Entry Form */
.weight-entry-form {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr auto;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  align-items: end;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-field label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-secondary);
}

.input-control {
  font-family: inherit;
  font-size: 0.875rem;
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline-strong);
  background-color: var(--bg-surface);
  color: var(--ink-primary);
  width: 100%;
}

.input-control:focus {
  outline: 2px solid var(--ink-primary);
  outline-offset: -1px;
}

/* Weight Log List */
.weight-history-list {
  max-height: 220px;
  overflow-y: auto;
  border-top: 1px solid var(--hairline);
}

.weight-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 4px;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.875rem;
}

.weight-row:last-child {
  border-bottom: none;
}

.weight-delta {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
}

.weight-delta.down {
  background-color: var(--accent-gym-soft);
  color: var(--accent-gym);
}

.weight-delta.up {
  background-color: var(--accent-badminton-soft);
  color: var(--accent-badminton);
}

/* ==========================================================================
   4. Smart Reminders & Workout Check-in Log
   ========================================================================== */

.reminder-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

/* ==========================================================================
   5. Workday Diet & Protein Silk / Boiled Egg / Packed Lunch Tracker
   ========================================================================== */

.meal-pairing-box {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background-color: var(--accent-gym-soft);
  border: 1px solid rgba(21, 115, 71, 0.2);
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
  color: var(--ink-primary);
}

.meal-pairing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  font-weight: 700;
  color: var(--accent-gym);
  margin-bottom: 4px;
  font-size: 0.8125rem;
}

.diet-preset-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.diet-preset-btn {
  flex: 1 1 calc(50% - 8px);
  min-width: 150px;
  text-align: left;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-canvas);
  border: 1px solid var(--hairline-strong);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.14s ease;
}

.diet-preset-btn:hover {
  background-color: var(--bg-subtle);
}

.diet-preset-btn.active {
  background-color: var(--accent-gym-soft);
  border-color: var(--accent-gym);
}

.diet-preset-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--ink-primary);
  display: block;
}

.diet-preset-desc {
  font-size: 0.75rem;
  color: var(--ink-secondary);
  margin-top: 2px;
  display: block;
}

.diet-items-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.diet-counter-card {
  padding: 12px;
  border-radius: var(--radius-md);
  background-color: var(--bg-canvas);
  border: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
}

.diet-counter-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 6px;
}

.diet-food-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.diet-food-meta {
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.diet-stepper {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-sm);
  padding: 3px 6px;
  align-self: flex-start;
}

.stepper-btn {
  background: none;
  border: none;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink-primary);
  width: 24px;
  height: 24px;
  border-radius: 4px;
  cursor: pointer;
}

.stepper-btn:hover {
  background-color: var(--bg-subtle);
}

.stepper-val {
  font-size: 0.875rem;
  font-weight: 700;
  min-width: 28px;
  text-align: center;
}

.nutrition-summary-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  padding: 12px;
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle);
  margin-bottom: var(--space-3);
}

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

.nutrition-stat-label {
  font-size: 0.75rem;
  color: var(--ink-secondary);
}

.nutrition-stat-val {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink-primary);
}

.reminder-item {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background-color: var(--bg-canvas);
  border: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.reminder-item-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.checkin-log-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-height: 240px;
  overflow-y: auto;
}

.checkin-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-canvas);
  border: 1px solid var(--hairline);
  font-size: 0.875rem;
}

.status-tag.busy,
.day-venue-badge.busy {
  background-color: var(--accent-warning-soft);
  color: #9A5B06;
}

.override-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  background-color: var(--ink-primary);
  color: var(--ink-on-accent);
  margin-left: 4px;
}

/* 1-Tap Quick Plan Switcher & Busy Reschedule Bar */
.quick-plan-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle);
  margin-bottom: var(--space-4);
}

.quick-plan-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.plan-pill {
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  background-color: var(--bg-surface);
  color: var(--ink-secondary);
  cursor: pointer;
  transition: all 0.14s ease;
}

.plan-pill:hover {
  border-color: var(--ink-primary);
  color: var(--ink-primary);
}

.plan-pill.active {
  background-color: var(--ink-primary);
  border-color: var(--ink-primary);
  color: var(--ink-on-accent);
}

.btn-busy-reschedule {
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(200, 125, 18, 0.35);
  background-color: var(--accent-warning-soft);
  color: #8A5004;
  cursor: pointer;
  transition: all 0.14s ease;
}

.btn-busy-reschedule:hover {
  background-color: #FAE7C8;
}

/* Inline Fast Calorie & Duration Workout Logger */
.quick-workout-box {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background-color: var(--bg-canvas);
  border: 1px solid var(--hairline-strong);
  margin-bottom: var(--space-4);
}

.quick-workout-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.duration-chips-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}

.mini-chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline-strong);
  background-color: var(--bg-surface);
  color: var(--ink-secondary);
  cursor: pointer;
  transition: all 0.12s ease;
}

.mini-chip:hover {
  border-color: var(--ink-primary);
  color: var(--ink-primary);
}

.mini-chip.active {
  background-color: var(--accent-gym);
  border-color: var(--accent-gym);
  color: #FFFFFF;
}

.quick-workout-inputs {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 1.1fr 1.3fr auto;
  gap: 8px;
  align-items: end;
}

@media (max-width: 720px) {
  .quick-workout-inputs {
    grid-template-columns: 1fr 1fr;
  }
  .quick-workout-inputs .btn-fast-log {
    grid-column: span 2;
  }
}

.day-cycle-btn {
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  border-radius: 5px;
  padding: 2px 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-secondary);
  cursor: pointer;
}

.day-cycle-btn:hover {
  background-color: var(--ink-primary);
  color: var(--ink-on-accent);
}

/* Extra Diet Calorie Bar */
.extra-kcal-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background-color: var(--bg-canvas);
  border: 1px solid var(--hairline);
  margin-bottom: var(--space-3);
}

/* ==========================================================================
   Modal Dialogs (Goal Settings, Check-in & AI Status Export Modal)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(20, 22, 25, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: 100;
  overflow-y: auto;
}

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

.modal-card {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-float);
  width: 100%;
  max-width: 460px;
  padding: var(--space-6);
  max-height: 92vh;
  overflow-y: auto;
}

.modal-card.wide {
  max-width: 680px;
}

.ai-report-textarea {
  width: 100%;
  min-height: 250px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--hairline-strong);
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
  resize: vertical;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.modal-form-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Toast Notification */
.toast-banner {
  position: fixed;
  bottom: 84px;
  right: 20px;
  background-color: var(--ink-primary);
  color: var(--ink-on-accent);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-float);
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 120;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast-banner.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Mobile Bottom Navigation & Responsive Breakpoints (PC + Mobile Dual Platform)
   ========================================================================== */

.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--hairline-strong);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px));
  z-index: 90;
  justify-content: space-around;
}

.mobile-nav-btn {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.mobile-nav-btn.active {
  color: var(--ink-primary);
  background-color: var(--bg-subtle);
}

@media (max-width: 980px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .week-schedule-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 640px) {
  .app-shell {
    padding: var(--space-4) var(--space-3);
  }

  .surface-panel {
    padding: var(--space-4);
  }

  .weekly-kpis {
    grid-template-columns: 1fr;
  }

  .week-schedule-list {
    grid-template-columns: 1fr;
  }

  .day-slot {
    min-height: auto;
    flex-direction: row;
    align-items: center;
  }

  .day-top {
    margin-bottom: 0;
    min-width: 78px;
    flex-direction: column;
    align-items: flex-start;
  }

  .day-venue-badge {
    margin-bottom: 0;
  }

  .goal-summary-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .diet-items-grid {
    grid-template-columns: 1fr;
  }

  .weight-entry-form {
    grid-template-columns: 1fr 1fr;
  }

  .weight-entry-form .btn {
    grid-column: span 2;
  }

  .reminder-grid {
    grid-template-columns: 1fr;
  }

  .mobile-bottom-nav {
    display: flex;
  }
}