/* iAmFitness Studio Sanctuary Style Guide */
/* Design engineered in compliance with pbakaus/impeccable and Leonxlnx/taste-skill */

/* Font Family Pairing */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:ital,wght@0,400..700;1,400..700&family=Outfit:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  /* Color Calibrations in OKLCH - Premium Women's Leaning Studio neon theme */
  --color-obsidian-bg: oklch(12% 0.015 275); /* Midnight brick-tinted black background */
  --color-obsidian-surface: oklch(15% 0.018 275);
  --color-obsidian-elevated: oklch(19% 0.02 275);
  --color-obsidian-border: oklch(24% 0.03 275 / 0.45);
  
  --color-ink-cream: oklch(96% 0.01 275);
  --color-ink-muted: oklch(78% 0.01 275);
  --color-ink-dark: oklch(38% 0.02 275);
  
  /* OFFICIAL NEON BRAND COLORS - Staged from official brick logo sign */
  --color-brand-cyan: oklch(72% 0.22 195);     /* Electric Neon Teal/Cyan */
  --color-brand-purple: oklch(58% 0.24 305);   /* Radiant Neon Purple/Violet */
  --color-brand-magenta: oklch(62% 0.26 335);  /* Radiant Neon Pink/Magenta */
  
  /* Primary Accent: Glowing Neon Purple */
  --color-sunset-crimson: var(--color-brand-purple);
  --color-sunset-crimson-dim: oklch(58% 0.24 305 / 0.15);
  --color-sunset-crimson-glow: oklch(58% 0.24 305 / 0.35);
  
  /* Heart-Rate Zones adjusted to Brand Colors */
  --color-zone-gray: oklch(52% 0.01 0);
  --color-zone-blue: var(--color-brand-cyan); /* Cyan-Teal brand zone */
  --color-zone-green: oklch(66% 0.20 145);    /* Toning efficiency green */
  --color-zone-orange: oklch(68% 0.22 45);    /* Metabolic peak orange */
  --color-zone-red: var(--color-brand-magenta); /* Premium threshold fuchsia/red */
  
  /* Translucent overlays for glassmorphism */
  --glass-bg: rgba(20, 18, 24, 0.65); /* Violet-tinted dark glass */
  --glass-border: rgba(255, 255, 255, 0.07);
  --glass-highlight: rgba(255, 255, 255, 0.035);
  
  /* Asymmetric Spacing Scales (No 4px step) */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 80px;
  --spacing-3xl: 120px;
  
  /* Corner-Radius scale (Shape Consistency Lock) */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  
  /* Transitions */
  --transition-smooth: 250ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-discrete: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base resets & typography rules */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-obsidian-bg);
  color: var(--color-ink-cream);
  font-family: 'Instrument Sans', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100dvh;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-ink-cream);
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
}

p {
  color: var(--color-ink-muted);
  max-width: 70ch;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-smooth);
}

/* Typography Rules from Impeccable Style Guide */
.label-grotesk {
  font-family: 'Space Grotesk', monospace;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  font-weight: 500;
  color: var(--color-ink-muted);
}

.mono-meta {
  font-family: 'Space Grotesk', monospace;
  font-size: 0.8125rem;
}

/* Scrollbar customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-obsidian-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-obsidian-elevated);
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-obsidian-bg);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-ink-dark);
}

/* Main Layout Shell */
.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100dvh;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
}

/* Header lockup */
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--glass-border);
  background: var(--color-obsidian-surface);
  position: sticky;
  top: 0;
  z-index: 40;
}

.brand-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-ink-cream);
}

.brand-title span {
  color: var(--color-sunset-crimson);
}

.header-status-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-zone-green);
  box-shadow: 0 0 10px var(--color-zone-green);
}

.time-simulation-panel {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-obsidian-bg);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}

.btn-speed {
  background: transparent;
  border: 1px solid var(--color-obsidian-border);
  color: var(--color-ink-muted);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.btn-speed.active {
  background: var(--color-sunset-crimson);
  color: var(--color-ink-cream);
  border-color: var(--color-sunset-crimson);
}

/* Navigation Drawer */
.sidebar-drawer {
  background-color: var(--color-obsidian-surface);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-sm);
  position: sticky;
  top: 0;
  height: 100vh;
}

@media (max-width: 900px) {
  .sidebar-drawer {
    display: none; /* Collapsed on mobile, handled by mobile menu toggle */
  }
}

.nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--color-ink-muted);
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.nav-item:hover, .nav-item.active {
  color: var(--color-ink-cream);
  background-color: var(--color-obsidian-elevated);
}

.nav-item.active {
  border-left: 2px solid var(--color-sunset-crimson);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.nav-item svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}

/* Segmented Control Role Switcher */
.role-switcher {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--color-obsidian-bg);
  padding: 4px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
}

.btn-role {
  background: transparent;
  border: none;
  color: var(--color-ink-muted);
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.btn-role.active {
  background: var(--color-obsidian-elevated);
  color: var(--color-ink-cream);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Content Area */
.main-content {
  padding: var(--spacing-lg) var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

@media (max-width: 768px) {
  .main-content {
    padding: var(--spacing-md) var(--spacing-sm);
  }
}

/* View Section Transitions */
.view-section {
  display: block;
  opacity: 1;
  translate: 0;
  transition: display var(--transition-discrete), opacity var(--transition-discrete), translate var(--transition-discrete);
  transition-behavior: allow-discrete;
}

.view-section.hidden, .view-section[hidden] {
  display: none;
  opacity: 0;
  translate: 0 16px;
}

@starting-style {
  .view-section {
    opacity: 0;
    translate: 0 16px;
  }
}

/* Restrained Glassmorphic Cards (The taste-skill standards) */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--glass-highlight), transparent);
  pointer-events: none;
}

.glass-card.interactive:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 20px var(--color-sunset-crimson-dim);
  border-color: rgba(255, 255, 255, 0.12);
}

.glass-card.interactive:active {
  transform: translateY(0);
}

/* Grids & Bento Layouts (Leonxlnx/taste-skill standards) */
.bento-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.bento-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.asymmetric-split {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-md);
}

@media (max-width: 990px) {
  .bento-grid-3, .bento-grid-2, .asymmetric-split {
    grid-template-columns: 1fr;
  }
}

/* Dynamic Schedule Lists */
.class-schedule-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.schedule-row {
  display: grid;
  grid-template-columns: 100px 1fr 180px 150px;
  align-items: center;
  background: var(--color-obsidian-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  transition: all var(--transition-smooth);
}

@media (max-width: 768px) {
  .schedule-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
}

.schedule-row:hover {
  border-color: var(--color-sunset-crimson-glow);
  transform: translateX(4px);
}

.time-slot {
  font-family: 'Space Grotesk', monospace;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-sunset-crimson);
}

.class-details h4 {
  font-size: 1.15rem;
  margin-bottom: 2px;
}

.class-details p {
  font-size: 0.85rem;
}

.capacity-indicator {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.capacity-bar {
  height: 4px;
  background-color: var(--color-obsidian-elevated);
  border-radius: 2px;
  overflow: hidden;
}

.capacity-fill {
  height: 100%;
  background-color: var(--color-sunset-crimson);
  transition: width 0.5s ease;
}

/* Action Buttons (Shape Consistency Lock: squared or highly precise curves) */
.btn-primary {
  background-color: var(--color-ink-cream);
  color: var(--color-obsidian-bg);
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  box-shadow: 0 4px 14px rgba(255, 255, 255, 0.05);
}

.btn-primary:hover {
  background-color: var(--color-sunset-crimson);
  color: var(--color-ink-cream);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--color-sunset-crimson-dim);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  background-color: var(--color-obsidian-elevated);
  color: var(--color-ink-dark);
  cursor: not-allowed;
  box-shadow: none;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-ink-cream);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.btn-secondary:hover {
  border-color: var(--color-sunset-crimson);
  color: var(--color-sunset-crimson);
  background: var(--color-sunset-crimson-dim);
}

/* Device Pairing & Pulse Arena */
.sensor-pair-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
}

.pulse-ring-ambient {
  position: relative;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  background: var(--color-obsidian-surface);
  border: 2px solid var(--color-obsidian-elevated);
}

.pulse-ring-ambient::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 2px solid var(--color-sunset-crimson-dim);
  animation: pulse-outward 2s infinite ease-out;
  pointer-events: none;
}

.pulse-ring-ambient.active-pulse::before {
  border-color: var(--active-zone-glow-color, var(--color-sunset-crimson-dim));
  animation: pulse-outward var(--heartbeat-duration, 0.8s) infinite cubic-bezier(0.16, 1, 0.3, 1);
}

.cardiac-display-core {
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.live-bpm-indicator {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 4rem;
  line-height: 1;
  color: var(--color-ink-cream);
  display: flex;
  align-items: baseline;
}

.live-bpm-indicator span {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-ink-muted);
  margin-left: 2px;
}

@keyframes pulse-outward {
  0% {
    transform: scale(0.95);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

/* Real-Time Cardiac Performance Zones */
.zones-timeline-pill-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  width: 100%;
  max-width: 480px;
  margin: var(--spacing-md) auto;
}

.zone-pill {
  padding: 6px 2px;
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 0.65rem;
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  background: var(--color-obsidian-surface);
  border: 1px solid var(--color-obsidian-elevated);
  color: var(--color-ink-dark);
  transition: all var(--transition-smooth);
}

.zone-pill.gray.active { background: var(--color-zone-gray); border-color: var(--color-zone-gray); color: var(--color-ink-cream); }
.zone-pill.blue.active { background: var(--color-zone-blue); border-color: var(--color-zone-blue); color: var(--color-ink-cream); }
.zone-pill.green.active { background: var(--color-zone-green); border-color: var(--color-zone-green); color: var(--color-ink-cream); }
.zone-pill.orange.active { background: var(--color-zone-orange); border-color: var(--color-zone-orange); color: var(--color-ink-cream); }
.zone-pill.red.active { background: var(--color-zone-red); border-color: var(--color-zone-red); color: var(--color-ink-cream); }

/* SVG Graph Plotting (The anti-slop analytical panels) */
.analytics-chart-canvas {
  width: 100%;
  height: 240px;
  background: var(--color-obsidian-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.svg-grid-line {
  stroke: var(--color-obsidian-elevated);
  stroke-width: 1;
}

.svg-trend-path {
  fill: none;
  stroke: var(--color-sunset-crimson);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 2px 8px var(--color-sunset-crimson-dim));
}

.svg-trend-area {
  fill: url(#area-sunset-gradient);
}

.svg-trend-point {
  fill: var(--color-obsidian-surface);
  stroke: var(--color-sunset-crimson);
  stroke-width: 3;
  cursor: pointer;
  transition: r var(--transition-smooth);
}

.svg-trend-point:hover {
  r: 8px;
}

/* Trainer Studio Live Wall Panel */
.trainer-studio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.member-studio-tile {
  background: var(--color-obsidian-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 160px;
  position: relative;
  transition: all var(--transition-smooth);
}

.member-studio-tile.zone-active-gray { border-color: var(--color-zone-gray); box-shadow: 0 0 15px oklch(50% 0.01 0 / 0.15); }
.member-studio-tile.zone-active-blue { border-color: var(--color-zone-blue); box-shadow: 0 0 15px oklch(58% 0.12 240 / 0.15); }
.member-studio-tile.zone-active-green { border-color: var(--color-zone-green); box-shadow: 0 0 15px oklch(62% 0.18 140 / 0.15); }
.member-studio-tile.zone-active-orange { border-color: var(--color-zone-orange); box-shadow: 0 0 15px oklch(65% 0.20 40 / 0.15); }
.member-studio-tile.zone-active-red { border-color: var(--color-zone-red); box-shadow: 0 0 15px oklch(58% 0.24 20 / 0.15); }

.studio-tile-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.studio-member-name {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1rem;
}

.studio-tile-pulse-indicator {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 2.25rem;
  line-height: 1;
  display: flex;
  align-items: baseline;
}

.studio-tile-pulse-indicator span {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-ink-muted);
}

.studio-tile-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xs);
  border-top: 1px solid var(--color-obsidian-border);
  padding-top: 8px;
  margin-top: 8px;
}

.studio-micro-stat {
  display: flex;
  flex-direction: column;
}

.studio-micro-stat span:first-child {
  font-size: 0.6rem;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  font-family: 'Space Grotesk', sans-serif;
}

.studio-micro-stat span:last-child {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
}

/* Unified dialog models using native elements */
dialog {
  background: var(--color-obsidian-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  max-width: 480px;
  width: calc(100% - var(--spacing-lg));
  color: var(--color-ink-cream);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  margin: auto;
  translate: 0 16px;
  opacity: 0;
  transition: opacity var(--transition-discrete), translate var(--transition-discrete), overlay var(--transition-discrete) allow-discrete, display var(--transition-discrete) allow-discrete;
}

dialog[open] {
  translate: 0 0;
  opacity: 1;
}

@starting-style {
  dialog[open] {
    translate: 0 16px;
    opacity: 0;
  }
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity var(--transition-discrete), display var(--transition-discrete) allow-discrete;
}

dialog[open]::backdrop {
  opacity: 1;
}

@starting-style {
  dialog[open]::backdrop {
    opacity: 0;
  }
}

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

.dialog-close-btn {
  background: transparent;
  border: none;
  color: var(--color-ink-muted);
  cursor: pointer;
  padding: 4px;
  transition: color var(--transition-smooth);
}

.dialog-close-btn:hover {
  color: var(--color-ink-cream);
}

/* Forms input specs from taste-skill (Labels above, details below) */
.form-input-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.form-input-container label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-ink-cream);
}

.form-field {
  background: var(--color-obsidian-bg);
  border: 1px solid var(--color-obsidian-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--color-ink-cream);
  font-family: 'Instrument Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.form-field:focus {
  outline: none;
  border-color: var(--color-sunset-crimson);
  box-shadow: 0 0 12px var(--color-sunset-crimson-dim);
}

.form-field::placeholder {
  color: var(--color-ink-dark);
}

.form-error {
  font-size: 0.75rem;
  color: var(--color-zone-red);
  margin-top: 2px;
  font-family: 'Space Grotesk', sans-serif;
}

/* Goals Checklist Cards */
.goal-checklist {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.goal-checklist-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-obsidian-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.goal-checklist-item:hover {
  border-color: var(--color-sunset-crimson-glow);
}

.goal-checkbox {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-obsidian-border);
  background: var(--color-obsidian-bg);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-smooth);
}

.goal-checklist-item.checked .goal-checkbox {
  background: var(--color-sunset-crimson);
  border-color: var(--color-sunset-crimson);
}

.goal-checklist-item.checked .goal-checkbox::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid var(--color-ink-cream);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.goal-checklist-item.checked span {
  text-decoration: line-through;
  color: var(--color-ink-dark);
}

.goal-progress {
  margin-left: auto;
  font-family: 'Space Grotesk', monospace;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-sunset-crimson);
}

/* Premium Rebranding Visual Classes */
.header-social-shortcuts {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-left: var(--spacing-sm);
  border-left: 1px solid var(--color-obsidian-border);
  padding-left: var(--spacing-sm);
}

.header-social-icon {
  width: 18px;
  height: 18px;
  opacity: 0.6;
  filter: invert(0.9);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.header-social-icon:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.sidebar-member-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
}

.profile-avatar-img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--color-sunset-crimson);
}

.profile-meta {
  display: flex;
  flex-direction: column;
}

.profile-name {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-ink-cream);
  line-height: 1.2;
  font-family: 'Outfit', sans-serif;
}

.sidebar-social-links {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: var(--spacing-xs);
}

.sidebar-social-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.01);
  transition: all var(--transition-smooth);
}

.sidebar-social-btn img {
  width: 16px;
  height: 16px;
  filter: invert(0.9);
}

.sidebar-social-btn:hover {
  border-color: var(--color-sunset-crimson);
  background: var(--color-sunset-crimson-dim);
  transform: translateY(-1px);
}

.dashboard-hero-block {
  height: 220px;
  border-radius: var(--radius-lg);
  background-image: linear-gradient(rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.7)), url('assets/coach_milay_gym.png');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 600px;
  z-index: 10;
}

.hero-title {
  font-size: clamp(1.8rem, 4.5vw, 2.75rem);
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: var(--spacing-xs);
  color: var(--color-ink-cream);
}

.hero-subtitle {
  font-size: 0.95rem;
  color: var(--color-ink-muted);
  max-width: 52ch;
  line-height: 1.5;
}

.class-card-visual {
  transition: all var(--transition-smooth) !important;
  position: relative;
  overflow: hidden;
}

.class-card-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(14, 14, 14, 0.95) 0%, rgba(14, 14, 14, 0.85) 60%, rgba(14, 14, 14, 0.5) 100%);
  z-index: 1;
}

.class-card-visual > * {
  position: relative;
  z-index: 2;
}

.class-card-visual:hover {
  transform: translateX(6px) scale(1.005);
  border-color: var(--color-sunset-crimson);
  box-shadow: 0 12px 36px rgba(0,0,0,0.4), 0 0 20px var(--color-sunset-crimson-dim);
}

.sensor-pair-zone.active-workout-bg {
  background-image: linear-gradient(rgba(14, 14, 14, 0.96) 0%, rgba(14, 14, 14, 0.92) 100%), url('assets/coach_milay_logo.jpg') !important;
  background-size: cover;
  background-position: center;
  border-color: var(--color-sunset-crimson-glow);
  transition: all var(--transition-smooth);
}

/* Daily Routine Interactive Widget */
.daily-routine-widget {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.routine-day-selector {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.btn-day {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  color: var(--color-ink-muted);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.btn-day:hover, .btn-day.active {
  color: var(--color-ink-cream);
  border-color: var(--color-sunset-crimson);
}

.btn-day.active {
  background: var(--color-sunset-crimson-dim);
  box-shadow: 0 4px 12px var(--color-sunset-crimson-dim);
}

.routine-display-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--spacing-md);
  align-items: stretch;
}

@media (max-width: 600px) {
  .routine-display-grid {
    grid-template-columns: 1fr;
  }
}

.routine-details-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.routine-exercises-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.routine-exercise-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-obsidian-border);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  transition: border-color var(--transition-smooth);
}

.routine-exercise-item:hover {
  border-color: var(--color-sunset-crimson-glow);
}

.routine-exercise-item span:first-child {
  font-weight: 600;
  color: var(--color-ink-cream);
}

.routine-exercise-item span:last-child {
  font-family: 'Space Grotesk', monospace;
  color: var(--color-sunset-crimson);
  font-weight: 500;
}

.routine-video-card {
  height: 170px;
  border-radius: var(--radius-md);
  background-size: cover;
  background-position: center;
  position: relative;
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}

.routine-video-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-sunset-crimson);
}

.video-overlay-tags {
  position: absolute;
  top: var(--spacing-xs);
  left: var(--spacing-xs);
  z-index: 10;
}

.badge-live-pulse {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 4px 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  color: #ff4b4b;
}

.pulse-red-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ff4b4b;
  box-shadow: 0 0 8px #ff4b4b;
  animation: pulse-glow 1.5s infinite;
}

@keyframes pulse-glow {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

.video-play-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all var(--transition-smooth);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  z-index: 10;
}

.video-play-btn svg {
  width: 18px;
  height: 18px;
  margin-left: 2px;
}

.video-play-btn:hover {
  transform: scale(1.1);
  background: rgba(255, 255, 255, 0.4);
}

.video-meta-bar {
  position: absolute;
  bottom: 0;
  inset-x: 0;
  background: rgba(14, 14, 14, 0.88);
  backdrop-filter: blur(6px);
  padding: 6px 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  justify-content: center;
  z-index: 10;
}

/* Hovering iPhone 17 Showcase Device Frame */
.iphone-17-showcase-container {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at center, rgba(26, 33, 47, 0.8) 0%, rgba(13, 15, 20, 0.95) 100%), url('assets/iphone17_hovering_mockup.png');
  background-blend-mode: overlay;
  background-size: cover;
  background-position: center;
  padding: var(--spacing-xl) 0;
  position: relative;
}

.iphone-17-device-bezel {
  width: 393px;
  height: 852px;
  border-radius: 54px;
  border: 12px solid #1c1c1c;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.85), inset 0 0 6px rgba(255, 255, 255, 0.35), 0 0 0 2px #2d2d2d;
  position: relative;
  background: var(--color-obsidian-bg);
  transform-style: preserve-3d;
  animation: hover-float 6s ease-in-out infinite;
  display: flex;
  flex-direction: column;
}

/* Hover Floating Animation representing hovering iPhone */
@keyframes hover-float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
  100% {
    transform: translateY(0);
  }
}

.iphone-17-volume-up {
  position: absolute;
  left: -14px;
  top: 180px;
  width: 3px;
  height: 60px;
  background: #2a2a2a;
  border-radius: 3px 0 0 3px;
  border: 1px solid #111;
}

.iphone-17-volume-down {
  position: absolute;
  left: -14px;
  top: 250px;
  width: 3px;
  height: 60px;
  background: #2a2a2a;
  border-radius: 3px 0 0 3px;
  border: 1px solid #111;
}

.iphone-17-power {
  position: absolute;
  right: -14px;
  top: 220px;
  width: 3px;
  height: 80px;
  background: #2a2a2a;
  border-radius: 0 3px 3px 0;
  border: 1px solid #111;
}

.iphone-17-dynamic-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 105px;
  height: 28px;
  background: #000;
  border-radius: 20px;
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 14px;
  box-shadow: inset 0 0 4px rgba(255,255,255,0.1);
}

.dynamic-notch-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #111;
  border: 1px solid #222;
}

.iphone-17-screen-viewport {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--color-obsidian-bg);
  border-radius: 42px;
  scrollbar-width: none; /* Hide scrollbar on Firefox */
}

.iphone-17-screen-viewport::-webkit-scrollbar {
  display: none; /* Hide scrollbar on Chrome/Safari */
}

/* Desktop device view adjustment overrides */
@media (min-width: 901px) {
  /* Restrict header and aside positioning inside scrolling phone screen viewport */
  .iphone-17-screen-viewport .header-bar {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 90;
    border-radius: 42px 42px 0 0;
    padding-top: var(--spacing-md); /* Safe area padding overlay notch */
  }
  
  .iphone-17-screen-viewport .app-shell {
    display: flex;
    flex-direction: column;
    min-height: auto;
  }
  
  .iphone-17-screen-viewport .sidebar-drawer {
    display: none; /* Drawers collapse into phone navigation controls */
  }
  
  .iphone-17-screen-viewport .main-content {
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

/* Mobile responsive container adjustments - Keep the bezel but scale it appropriately */
@media (max-width: 900px) {
  .iphone-17-showcase-container {
    min-height: auto;
    padding: var(--spacing-md) 0;
    display: flex;
    justify-content: center;
    background: none;
  }
  
  .iphone-17-device-bezel {
    width: 393px;
    height: 852px;
    border: 12px solid #1c1c1c;
    border-radius: 54px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), inset 0 0 6px rgba(255, 255, 255, 0.35);
    transform: scale(0.95);
    transform-origin: top center;
    animation: hover-float 6s ease-in-out infinite;
  }
  
  .iphone-17-screen-viewport {
    border-radius: 42px;
  }
}

/* Reduced Motion overrides (The taste-skill standards) */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-delay: 0s !important;
    animation-duration: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0s !important;
    scroll-behavior: auto !important;
  }
  
  .pulse-ring-ambient::before {
    animation: none !important;
  }
}

/* ==========================================================================
   Antigravity Visual Sanctuary - Multi-Member Login & Interactive Enhancements
   ========================================================================== */

.routine-exercise-item.active {
  border-color: var(--color-sunset-crimson);
  background: rgba(255, 75, 75, 0.08);
  box-shadow: 0 0 12px rgba(255, 75, 75, 0.15);
}

/* Existing Members Login Panel */
.login-view-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  padding: var(--spacing-md);
  text-align: center;
  background: linear-gradient(rgba(14, 14, 14, 0.85), rgba(14, 14, 14, 0.95)), url('assets/iam_neon_sign.png');
  background-size: cover;
  background-position: center;
  border-radius: 42px;
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.95), 0 0 30px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--color-obsidian-border);
}

.login-member-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-sm);
  width: 100%;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.login-member-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: rgba(20, 18, 24, 0.75); /* Dark violet glass card overlay */
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-align: left;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.login-member-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--color-brand-cyan);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 255, 255, 0.15), 0 0 10px rgba(0, 255, 255, 0.1);
}

.login-member-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid var(--color-sunset-crimson);
  object-fit: cover;
}

.login-member-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 2px 0;
  color: var(--color-ink-cream);
}

.login-member-info p {
  font-size: 0.75rem;
  margin: 0;
  color: var(--color-ink-muted);
}

/* Premium Magazine Member Profile Header Card */
.member-profile-header {
  background: linear-gradient(135deg, rgba(28, 28, 28, 0.9) 0%, rgba(14, 14, 14, 0.95) 100%), url('assets/coach_milay_logo.jpg');
  background-size: cover;
  background-position: center;
  background-blend-mode: overlay;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
}

.member-bio-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.member-bio-avatar-container {
  position: relative;
}

.member-bio-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 3px solid var(--color-sunset-crimson);
  box-shadow: 0 0 15px var(--color-sunset-crimson-dim);
  object-fit: cover;
}

.member-bio-text h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-ink-cream);
  margin: 0 0 2px 0;
}

.member-bio-tier {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-sunset-crimson);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.member-specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xs);
  background: rgba(0, 0, 0, 0.4);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: var(--spacing-xs);
}

.member-spec-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.member-spec-item span:first-child {
  font-size: 0.55rem;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  letter-spacing: 0.5px;
}

.member-spec-item span:last-child {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-ink-cream);
  margin-top: 1px;
}

.member-kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.member-kpi-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 8px 4px;
  text-align: center;
  transition: transform var(--transition-smooth);
}

.member-kpi-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.12);
}

.member-kpi-val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-sunset-crimson);
  line-height: 1.1;
}

.member-kpi-label {
  font-size: 0.55rem;
  color: var(--color-ink-muted);
  text-transform: uppercase;
  margin-top: 2px;
}

/* Apple Watch Ultra Simulated Wearable Layout */
.apple-watch-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-sm);
  background: rgba(0,0,0,0.25);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  margin-top: var(--spacing-sm);
}

.apple-watch-bezel {
  width: 175px;
  height: 215px;
  background: #3c3d3e;
  border-radius: 36px;
  border: 7px solid #2a2b2c;
  box-shadow: 0 10px 24px rgba(0,0,0,0.65), inset 0 0 4px rgba(255,255,255,0.25);
  position: relative;
  padding: 4px;
  display: flex;
  flex-direction: column;
}

.apple-watch-action-button {
  position: absolute;
  left: -10px;
  top: 68px;
  width: 3px;
  height: 32px;
  background: #ff5722; /* International Orange Action Button */
  border-radius: 3px 0 0 3px;
  box-shadow: 0 0 6px rgba(255, 87, 34, 0.4);
}

.apple-watch-crown {
  position: absolute;
  right: -10px;
  top: 55px;
  width: 3px;
  height: 42px;
  background: #222;
  border-radius: 0 3px 3px 0;
  border-top: 2px solid #ff5722;
  border-bottom: 2px solid #ff5722;
}

.apple-watch-screen {
  background: #000;
  border-radius: 28px;
  width: 100%;
  height: 100%;
  overflow: hidden;
  padding: 6px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid #111;
}

.apple-watch-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4px;
  font-family: 'Space Grotesk', monospace;
  font-size: 0.5rem;
  color: #ff5722;
}

.apple-watch-time {
  color: var(--color-ink-cream);
}

.apple-watch-body {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  margin-top: 2px;
}

.apple-watch-exercise-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-ink-cream);
  margin-bottom: 1px;
}

.apple-watch-sets {
  font-size: 0.55rem;
  color: var(--color-ink-muted);
  margin-bottom: 4px;
}

.apple-watch-weight-display {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-sunset-crimson);
}

.apple-watch-controls {
  display: flex;
  justify-content: space-around;
  align-items: center;
  width: 100%;
  margin-top: 2px;
}

.apple-watch-btn {
  background: #1c1c1e;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-cream);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.apple-watch-btn:active {
  background: #ff5722;
  transform: scale(0.9);
}

.apple-watch-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2px;
}

.apple-watch-live-sync {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.45rem;
  font-weight: 700;
  color: #ff4b4b;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

/* Trainer iPad Control Workspace */
.trainer-ipad-roster-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.trainer-ipad-member-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-obsidian-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.trainer-ipad-member-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--color-sunset-crimson-glow);
}

.trainer-ipad-member-item.active {
  background: rgba(255, 75, 75, 0.06);
  border-color: var(--color-sunset-crimson);
}

.trainer-ipad-member-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--color-obsidian-elevated);
}

.trainer-ipad-routine-panel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.trainer-ipad-exercise-adjuster {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
}

.trainer-ipad-swap-select {
  background: var(--color-obsidian-surface);
  border: 1px solid var(--color-obsidian-border);
  color: var(--color-ink-cream);
  font-size: 0.75rem;
  font-family: inherit;
  padding: 2px var(--spacing-xs);
  border-radius: var(--radius-sm);
  cursor: pointer;
  max-width: 110px;
}

.trainer-ipad-weight-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.trainer-ipad-btn-adjust {
  background: var(--color-obsidian-surface);
  border: 1px solid var(--color-obsidian-border);
  color: var(--color-ink-cream);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.trainer-ipad-btn-adjust:hover {
  background: var(--color-sunset-crimson);
  border-color: var(--color-sunset-crimson);
}

/* ==========================================================================
   LANDING PAGE STYLING - PREMIUM HYBIRD BOUTIQUE EXPERIENCE
   ========================================================================== */

/* Bilingual Translation Sub-labels */
.lang-sub {
  display: block;
  font-size: 0.75em;
  color: var(--color-ink-muted);
  font-family: 'Instrument Sans', sans-serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
  margin-top: 2px;
  opacity: 0.82;
}

span.lang-sub {
  display: inline-block;
  margin-top: 0;
  margin-left: 4px;
}

/* Page Wrapper */
.landing-page-wrapper {
  position: relative;
  width: 100%;
  min-height: 100dvh;
  overflow-x: hidden;
  background-color: var(--color-obsidian-bg);
  display: flex;
  flex-direction: column;
}

/* Navbar Premium styling */
.landing-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: 80px;
  background: rgba(12, 12, 15, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-obsidian-border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.landing-logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--color-brand-cyan) 0%, var(--color-brand-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.landing-logo span {
  color: var(--color-ink-cream);
  font-weight: 400;
  -webkit-text-fill-color: var(--color-ink-cream);
}

.landing-nav {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.landing-nav a {
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-ink-cream);
  text-decoration: none;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.landing-nav a:hover {
  color: var(--color-brand-cyan);
}

/* Custom premium buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--color-brand-cyan) 0%, var(--color-brand-purple) 100%);
  color: #000;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(0, 255, 255, 0.2);
  text-shadow: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 255, 255, 0.4), 0 0 10px var(--color-brand-purple);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-ink-cream);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-align: center;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-brand-cyan);
  transform: translateY(-2px);
}

/* SECTION HERO LAYOUT */
.landing-hero {
  position: relative;
  width: 100%;
  padding: var(--spacing-2xl) 0;
  background: radial-gradient(circle at top right, rgba(88, 38, 240, 0.12) 0%, rgba(0, 255, 255, 0.04) 50%, rgba(12, 12, 15, 0) 100%);
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--spacing-xl);
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.hero-sublabel {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-brand-cyan);
  letter-spacing: 2px;
  display: flex;
  align-items: center;
}

.hero-title {
  font-size: clamp(2.5rem, 4vw, 3.6rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -1.5px;
}

.hero-desc {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-ink-muted);
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
}

.hero-trust-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  border-top: 1px solid var(--color-obsidian-border);
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-sm);
}

.trust-badge {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.trust-val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-brand-cyan) 0%, var(--color-brand-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.trust-txt {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  line-height: 1.3;
}

/* RIGHT HERO SIMULATOR LAYOUT */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  width: 100%;
}

.simulator-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  color: var(--color-ink-dark);
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
  letter-spacing: 1px;
}

.hero-visual .iphone-17-showcase-container {
  min-height: auto;
  background: none;
  padding: 0;
}

/* SECTION BENTO GRID */
.landing-bento {
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid var(--color-obsidian-border);
  background: linear-gradient(to bottom, rgba(12,12,15,0) 0%, rgba(20,18,24,0.3) 100%);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section-label {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-brand-cyan);
  letter-spacing: 2px;
  margin-bottom: var(--spacing-xs);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 8px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-ink-muted);
  text-align: center;
  max-width: 65ch;
  margin: 0 auto var(--spacing-xl) auto;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(280px, auto);
  gap: var(--spacing-md);
}

.bento-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-obsidian-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0, 255, 255, 0.05) 0%, rgba(0,0,0,0) 70%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 255, 255, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.bento-card:hover::before {
  opacity: 1;
}

.bento-wide {
  grid-column: span 2;
  grid-row: span 2;
}

.bento-card-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.bento-card-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-ink-cream);
}

.bento-card-content p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-ink-muted);
}

/* Diet Calculator Inside Bento Card */
.diet-widget-box {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-md);
  background: rgba(12, 12, 15, 0.65);
  border-color: rgba(255, 255, 255, 0.05);
}

.widget-form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xs);
}

.widget-form-grid label {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  margin-bottom: 4px;
  display: block;
}

.diet-result-card {
  padding: var(--spacing-sm);
  background: rgba(0, 255, 255, 0.04);
  border: 1px dashed var(--color-brand-cyan);
  border-radius: var(--radius-md);
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* SECTION HOLIDAY EVENTS CAROUSEL */
.landing-events {
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid var(--color-obsidian-border);
}

.events-scroll-container {
  display: flex;
  gap: var(--spacing-md);
  overflow-x: auto;
  padding: var(--spacing-xs) 0 var(--spacing-md) 0;
  scrollbar-width: thin;
  scrollbar-color: var(--color-obsidian-elevated) var(--color-obsidian-bg);
  scroll-snap-type: x mandatory;
}

.event-card {
  flex: 0 0 320px;
  scroll-snap-align: start;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-obsidian-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  transition: all var(--transition-smooth);
}

.event-card:hover {
  border-color: var(--color-brand-purple);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(88, 38, 240, 0.15);
}

.event-badge {
  display: inline-block;
  width: fit-content;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(88, 38, 240, 0.15);
  color: var(--color-brand-purple);
  border: 1px solid var(--color-brand-purple);
  padding: 2px 10px;
  border-radius: 20px;
}

.event-card h3 {
  font-size: 1.25rem;
}

.event-card p {
  font-size: 0.85rem;
  line-height: 1.5;
}

/* EXPANSION & INVESTMENT FORM */
.landing-investment {
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid var(--color-obsidian-border);
  background: linear-gradient(to top, rgba(88, 38, 240, 0.05) 0%, rgba(12, 12, 15, 0) 100%);
}

.investment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  align-items: center;
}

.investment-pitch-col {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.investment-desc {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.investment-bonus-card {
  padding: var(--spacing-md);
  border-left: 4px solid var(--color-brand-cyan);
  background: rgba(0, 255, 255, 0.02);
}

.investment-form-card {
  padding: var(--spacing-xl);
  border-color: var(--color-obsidian-border);
}

/* PREMIUM FOOTER */
.landing-footer {
  padding: var(--spacing-xl) 0 var(--spacing-md) 0;
  border-top: 1px solid var(--color-obsidian-border);
  background: #09090b;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: var(--spacing-xl);
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md) var(--spacing-lg) var(--spacing-md);
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links-col a {
  font-size: 0.9rem;
  color: var(--color-ink-muted);
  transition: all var(--transition-smooth);
}

.footer-links-col a:hover {
  color: var(--color-brand-cyan);
  padding-left: 4px;
}

.footer-social-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-social-row {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: 4px;
}

.footer-social-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-smooth);
}

.footer-social-btn:hover {
  background: rgba(0, 255, 255, 0.1);
  border-color: var(--color-brand-cyan);
  transform: translateY(-2px);
}

.footer-social-btn img {
  width: 18px;
  height: 18px;
}

.footer-copy {
  border-top: 1px solid var(--color-obsidian-border);
  text-align: center;
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-sm);
  font-size: 0.8rem;
  color: var(--color-ink-dark);
}

/* NATIVE DIALOG GLOSS & NEON STYLING OVERRIDES */
dialog {
  background: rgba(20, 18, 24, 0.95) !important;
  backdrop-filter: blur(25px) !important;
  -webkit-backdrop-filter: blur(25px) !important;
  border: 1px solid var(--color-obsidian-border) !important;
  border-radius: var(--radius-xl) !important;
  color: var(--color-ink-cream) !important;
  padding: var(--spacing-lg) !important;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.95), 0 0 20px rgba(88, 38, 240, 0.25) !important;
  width: 90% !important;
  max-width: 480px !important;
  margin: auto !important;
  transform: scale(0.95);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

dialog[open] {
  transform: scale(1);
  opacity: 1;
}

dialog::backdrop {
  background: rgba(5, 5, 8, 0.85) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-obsidian-border);
  padding-bottom: var(--spacing-sm);
}

.dialog-close-btn {
  background: none;
  border: none;
  color: var(--color-ink-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-smooth);
}

.dialog-close-btn:hover {
  color: var(--color-brand-cyan);
}

/* RESPONSIVE SCALING LAYOUT BREAKPOINTS */

@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }

  .hero-desc {
    margin: 0 auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-trust-badges {
    max-width: 600px;
    margin: var(--spacing-md) auto 0 auto;
  }

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

  .bento-wide {
    grid-column: span 2;
  }

  .investment-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .investment-pitch-col {
    text-align: center;
  }

  .investment-bonus-card {
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .landing-nav {
    display: none; /* Hide standard nav on mobile screens */
  }

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

  .bento-wide {
    grid-column: span 1;
    grid-row: span 1;
  }

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

  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }

  .footer-social-row {
    justify-content: center;
  }
}

/* MOBILE-FIRST SPECIFIC OPTIMIZATIONS (A11Y & VISUAL EXCELLENCE) */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm); /* Reduce gutters on mobile for more content room */
  }

  .bento-card {
    padding: var(--spacing-sm); /* Compact padding inside bento cards */
  }

  .diet-widget-box {
    padding: var(--spacing-sm);
  }

  /* Make all inputs and buttons easy to tap on mobile touchscreens */
  .form-field, 
  .btn-primary, 
  .btn-secondary,
  .widget-form-grid input,
  .widget-form-grid select {
    min-height: 48px !important;
  }
}

@media (max-width: 480px) {
  /* Reduce modal padding for better screen economy on small smartphones */
  dialog {
    padding: var(--spacing-sm) !important;
  }

  /* Peek-ahead card UX in horizontal scroll slider */
  .event-card {
    flex: 0 0 270px;
    padding: var(--spacing-sm);
  }

  /* Scale simulator for larger phones (e.g. Pro Max series) */
  .iphone-17-device-bezel {
    transform: scale(0.84);
    transform-origin: top center;
    margin-bottom: -140px;
  }
}

@media (max-width: 414px) {
  /* Scale simulator for standard mid-sized devices */
  .iphone-17-device-bezel {
    transform: scale(0.78);
    transform-origin: top center;
    margin-bottom: -190px;
  }
}

@media (max-width: 375px) {
  /* Scale simulator for compact devices (e.g. iPhone SE / 8) */
  .iphone-17-device-bezel {
    transform: scale(0.70);
    transform-origin: top center;
    margin-bottom: -260px;
  }
}

@media (max-width: 320px) {
  /* Scale simulator for ultra-compact screens */
  .iphone-17-device-bezel {
    transform: scale(0.58);
    transform-origin: top center;
    margin-bottom: -360px;
  }
}