/* Enhanced CozeCare Styles - Modern UI/UX with Accessibility */

:root {
  /* Color System */
  --bg: #ffffff;
  --text: #1f2937;
  --text-muted: #6b7280;
  --text-light: #9ca3af;
  --mint: #3ECF8E;
  --mint-light: #6ee7b7;
  --mint-deep: #2FB07A;
  --mint-dark: #059669;
  --danger: #ef4444;
  --danger-light: #fca5a5;
  --warning: #f59e0b;
  --success: #10b981;
  
  /* Enhanced gradients */
  --gradient-mint: linear-gradient(135deg, var(--mint) 0%, var(--mint-deep) 100%);
  --gradient-mint-light: linear-gradient(135deg, var(--mint-light) 0%, var(--mint) 100%);
  --gradient-card: linear-gradient(135deg, #ffffff 0%, #f8fffe 100%);
  --gradient-hero: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
  
  /* Surface Colors */
  --card: #ffffff;
  --card-hover: #f9fafb;
  --border: #e5e7eb;
  --border-light: #f3f4f6;
  --border-focus: #d1fae5;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 25px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.1);
  --shadow-mint: 0 8px 25px rgba(62, 207, 142, 0.15);
  
  /* Spacing & Layout */
  --radius: 24px;
  --radius-sm: 16px;
  --radius-lg: 32px;
  --radius-full: 9999px;
  
  /* Typography */
  --font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  
  /* Enhanced Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  display: block;
}

/* Enhanced Focus Management */
*:focus {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(62, 207, 142, 0.15);
}

*:focus:not(:focus-visible) {
  outline: none;
  box-shadow: none;
}

/* Enhanced focus for interactive elements */
button:focus-visible,
.card:focus-visible,
.plan-card:focus-visible,
.chip:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(62, 207, 142, 0.2);
  transform: scale(1.02);
}

/* Container & Layout */
.container {
  width: min(1000px, 100%);
  margin: 0 auto;
  padding: 20px clamp(20px, 5vw, 32px) 140px;
}

.screen-content {
  animation: slideInUp 0.5s var(--transition-normal);
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Enhanced screen transitions */
.screen {
  transition: all var(--transition-normal);
}

.screen.active .screen-content {
  animation-delay: 0.1s;
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

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

.logo {
  filter: drop-shadow(0 4px 12px rgba(62, 207, 142, 0.3));
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: scale(1.05);
}

.brand-name {
  font-weight: 800;
  font-size: var(--font-size-lg);
  letter-spacing: -0.025em;
  color: var(--text);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.language-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.language-toggle:hover {
  background: var(--card-hover);
  border-color: var(--mint);
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-md);
}

.language-toggle:active {
  transform: translateY(0);
}

.flag {
  font-size: 16px;
}

.lang-text {
  font-weight: 700;
  color: var(--text);
}

.badge {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
  background: var(--card);
}

/* Footer */
.app-footer {
  position: sticky;
  bottom: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-light);
  padding: 16px;
  display: flex;
  gap: 12px;
  justify-content: center;
  align-items: center;
  font-size: var(--font-size-sm);
}

/* Typography */
.title {
  margin: 12px 0 8px;
  font-size: var(--font-size-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
}

.subtitle {
  color: var(--text-muted);
  margin: 0 0 32px;
  font-size: var(--font-size-lg);
  font-weight: 400;
  line-height: 1.5;
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin: 12px 0 20px;
  letter-spacing: -0.025em;
  line-height: 1.3;
}

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

/* Hero Section */
.hero {
  padding: 48px 40px;
  background: var(--gradient-hero);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
  border: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
  margin-bottom: 32px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-mint);
}

.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(62, 207, 142, 0.05) 0%, transparent 70%);
  animation: heroGlow 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes heroGlow {
  0%, 100% {
    transform: scale(1) rotate(0deg);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.1) rotate(180deg);
    opacity: 0.6;
  }
}

.hero h1 {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.hero p {
  color: var(--text-muted);
  margin: 0 0 32px;
  font-size: var(--font-size-lg);
  line-height: 1.5;
}

.hero-illustration {
  margin-top: 24px;
}

.wave {
  opacity: 0.8;
  transition: opacity var(--transition-normal);
}

.wave:hover {
  opacity: 1;
}

/* Buttons */
.btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  background: var(--text);
  color: #fff;
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: var(--font-size-base);
  box-shadow: var(--shadow);
  transform: translateZ(0);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  letter-spacing: -0.01em;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn:focus {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: var(--shadow-lg);
}

.btn:active {
  transform: translateY(-1px) scale(1.01);
  box-shadow: var(--shadow-md);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: var(--shadow);
}

.btn:disabled:hover {
  transform: none;
  box-shadow: var(--shadow);
}

.btn-primary {
  background: var(--gradient-mint);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  background: var(--gradient-mint-light);
  box-shadow: var(--shadow-mint);
  transform: translateY(-4px) scale(1.03);
}

.btn-secondary {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--card-hover);
  border-color: var(--mint);
  color: var(--mint-dark);
  transform: translateY(-3px) scale(1.03);
  box-shadow: var(--shadow-md);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: #fff;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  box-shadow: 0 8px 25px rgba(239, 68, 68, 0.25);
}

.btn-record {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-record.recording {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: #fff;
  border-color: var(--danger);
  animation: pulse 2s infinite, recordingGlow 1.5s ease-in-out infinite alternate;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
  }
}

@keyframes recordingGlow {
  0% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4), 0 0 20px rgba(239, 68, 68, 0.3);
  }
  100% {
    box-shadow: 0 0 0 8px rgba(239, 68, 68, 0), 0 0 30px rgba(239, 68, 68, 0.5);
  }
}

.btn-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 24px 0;
}

.btn-row.centered {
  justify-content: center;
}

.btn-row.spaced {
  justify-content: space-between;
}

/* Screen Transitions */
.screen {
  display: none;
  animation: fadeIn 0.4s var(--transition-normal);
}

.screen.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.coming-soon {
  margin-top: 12px;
  color: var(--text-muted);
  font-style: italic;
  animation: slideInDown 0.3s var(--transition-normal);
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hidden {
  display: none;
}

/* Plans */
.plans {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin: 16px 0 20px;
}

.plan-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.plan-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--mint), var(--mint-light));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.plan-card:hover::before {
  transform: scaleX(1);
}

.plan-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-focus);
}

.plan-card:focus {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.plan-card.selected {
  border-color: var(--mint);
  background: linear-gradient(135deg, #f0fdf4, var(--card));
}

.plan-card.selected::before {
  transform: scaleX(1);
}

.plan-card.featured {
  position: relative;
  background: linear-gradient(135deg, #f0fdf4, var(--card));
}

.plan-card.featured::after {
  content: "Popular";
  position: absolute;
  top: 12px;
  right: 12px;
  background: linear-gradient(135deg, var(--mint), var(--mint-deep));
  color: #fff;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}

.plan-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.plan-name {
  font-weight: 800;
  font-size: var(--font-size-xl);
  color: var(--text);
}

.plan-price {
  font-weight: 900;
  font-size: var(--font-size-xl);
  color: var(--mint-dark);
}

.plan-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.plan-list li {
  padding: 6px 0;
  color: var(--text-muted);
  position: relative;
  padding-left: 20px;
}

.plan-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--mint);
  font-weight: 700;
}

/* Example Box */
.example-box {
  background: linear-gradient(135deg, #fefce8, #ffffff);
  border: 1px solid #fde68a;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  margin: 16px 0;
}

.example-box strong {
  color: var(--mint-dark);
  font-weight: 700;
}

/* Form Elements */
.input {
  width: 100%;
  min-height: 100px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  transition: all var(--transition-fast);
  resize: vertical;
}

.input:focus {
  outline: 2px solid var(--border-focus);
  border-color: var(--mint);
  box-shadow: 0 0 0 3px rgba(62, 207, 142, 0.1);
}

.input::placeholder {
  color: var(--text-light);
}

/* Recording Interface */
.record-box {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card);
  padding: 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
  margin: 16px 0;
}

.record-status {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

#recordTimer {
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  font-size: var(--font-size-lg);
  color: var(--text);
}

#recordHint {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.helper {
  color: var(--text-muted);
  margin: 8px 0;
  font-size: var(--font-size-sm);
}

/* Summary */
.summary {
  white-space: pre-wrap;
  font-family: var(--font-family);
  line-height: 1.6;
}

/* Checkbox */
.checkbox {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: 16px 0;
  cursor: pointer;
}

.checkbox input {
  transform: translateY(2px);
  accent-color: var(--mint);
}

.checkbox span {
  color: var(--text);
  font-weight: 500;
}

/* Chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.chip {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 10px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
}

.chip:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-md);
  border-color: var(--mint);
}

.chip:focus {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.chip.active {
  background: var(--gradient-mint);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-mint);
  transform: scale(1.05);
}

.chip.small {
  padding: 8px 12px;
  font-weight: 600;
  font-size: var(--font-size-xs);
}

/* Cards */
.cards {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin: 16px 0;
}

.card {
  background: var(--card);
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--mint), var(--mint-light));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-focus);
}

.card:focus {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.card.selected {
  border-color: var(--mint);
  background: linear-gradient(135deg, #f0fdf4, var(--card));
}

.card.selected::before {
  transform: scaleX(1);
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
}

.card-name {
  font-weight: 900;
  font-size: var(--font-size-lg);
  color: var(--text);
}

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

.badge-pill {
  font-size: var(--font-size-xs);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
  color: var(--text-muted);
}

.meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin: 8px 0;
}

.rating {
  font-weight: 800;
  color: var(--warning);
}

.price {
  font-weight: 800;
  color: var(--mint-dark);
}

.avail {
  font-weight: 800;
}

.bio {
  margin: 12px 0;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Calling State */
.calling {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 160px;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  border: 1px solid var(--border-light);
}

/* Enhanced Loading Animation */
.dots {
  font-weight: 900;
  font-size: var(--font-size-lg);
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 4px;
}

.dot {
  animation: bounce 1.2s infinite;
  font-size: 24px;
  color: var(--mint);
}

.dot1 {
  animation-delay: 0s;
}

.dot2 {
  animation-delay: 0.2s;
}

.dot3 {
  animation-delay: 0.4s;
}

@keyframes bounce {
  0%, 80%, 100% {
    transform: translateY(0) scale(1);
    opacity: 0.4;
  }
  40% {
    transform: translateY(-8px) scale(1.2);
    opacity: 1;
  }
}

/* Jitsi Container */
.jitsi-box {
  width: 100%;
  height: 60vh;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: #000;
  border: 1px solid var(--border);
}

/* Share Box */
.share {
  display: none;
  gap: 12px;
  align-items: center;
  margin: 16px 0;
}

.share input {
  flex: 1;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card);
  font-family: var(--font-family);
}

.share input:focus {
  outline: 2px solid var(--border-focus);
  border-color: var(--mint);
}

/* Enhanced Toast Animation */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--text);
  color: #fff;
  padding: 16px 24px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  display: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  z-index: var(--z-tooltip);
  animation: toastSlideIn 0.4s var(--transition-bounce);
  backdrop-filter: blur(8px);
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(30px) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
  }
}

/* Filters */
.filters {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 16px 0;
  padding: 16px;
  background: var(--card-hover);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

/* Enhanced Mobile Responsiveness */
@media (max-width: 767px) {
  .container {
    padding: 16px 20px 100px;
  }
  
  .hero {
    padding: 32px 24px;
    margin-bottom: 24px;
  }
  
  .hero h1 {
    font-size: var(--font-size-xl);
    margin: 0 0 12px;
  }
  
  .btn-row {
    flex-direction: column;
    gap: 12px;
    margin: 20px 0;
  }
  
  .btn-row.spaced {
    flex-direction: column;
    gap: 12px;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
    min-height: 48px;
  }
  
  .record-box {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  
  .record-status {
    margin-left: 0;
    justify-content: center;
  }
  
  .language-toggle {
    padding: 6px 10px;
  }
  
  .plan-card,
  .card {
    padding: 20px;
  }
  
  .filters {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* Responsive Design */
@media (min-width: 768px) {
  .plans {
    grid-template-columns: 1fr 1fr;
  }
  
  .cards {
    grid-template-columns: 1fr 1fr;
  }
  
  .hero h1 {
    font-size: var(--font-size-3xl);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .container {
    padding: 24px clamp(24px, 5vw, 40px) 140px;
  }
}

@media (min-width: 1024px) {
  .plans {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  
  .cards {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border: #000;
    --text-muted: #000;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  }
}

/* Enhanced micro-animations */
@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(62, 207, 142, 0.2);
  }
  50% {
    box-shadow: 0 0 20px rgba(62, 207, 142, 0.4), 0 0 30px rgba(62, 207, 142, 0.2);
  }
}

/* Staggered animations for cards */
.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }

.plan-card:nth-child(1) { animation-delay: 0.1s; }
.plan-card:nth-child(2) { animation-delay: 0.2s; }

/* Enhanced card animations */
.card {
  animation: fadeInScale 0.6s var(--transition-normal) both;
}

.plan-card {
  animation: fadeInScale 0.6s var(--transition-normal) both;
}

/* Loading skeleton states */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200px 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 1em;
  margin: 0.5em 0;
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-text.medium {
  width: 80%;
}

.skeleton-text.long {
  width: 100%;
}

/* Enhanced button states */
.btn.loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Enhanced form validation states */
.input.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
  animation: shake 0.5s ease-in-out;
}

.input.success {
  border-color: var(--success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* Enhanced progress indicators */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 16px 0;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-mint);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
  animation: glow 2s ease-in-out infinite;
}

/* Enhanced tooltips */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: white;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
  box-shadow: var(--shadow-md);
}

.tooltip::after {
  content: '';
  position: absolute;
  bottom: 115%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--text);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.tooltip:hover::before,
.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
}

/* Enhanced visual feedback */
.btn:active {
  transform: translateY(1px) scale(0.98);
}

.btn-record:active {
  transform: translateY(1px) scale(0.98);
}

/* Enhanced focus rings */
.btn:focus-visible,
.card:focus-visible,
.plan-card:focus-visible,
.chip:focus-visible,
.input:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(62, 207, 142, 0.15);
}

/* Enhanced disabled states */
.btn:disabled,
.input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  filter: grayscale(0.3);
}

/* Enhanced selection states */
::selection {
  background: rgba(62, 207, 142, 0.2);
  color: var(--text);
}

::-moz-selection {
  background: rgba(62, 207, 142, 0.2);
  color: var(--text);
}

/* Enhanced scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--border-light);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--mint);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--mint-deep);
}

/* Enhanced visual polish */
.btn-primary:active,
.btn-secondary:active,
.btn-danger:active {
  transform: translateY(1px) scale(0.98);
  transition: transform 0.1s ease;
}

/* Enhanced card interactions */
.card:active,
.plan-card:active {
  transform: translateY(1px) scale(0.99);
  transition: transform 0.1s ease;
}

/* Enhanced chip interactions */
.chip:active {
  transform: translateY(1px) scale(0.95);
  transition: transform 0.1s ease;
}

/* Enhanced input focus states */
.input:focus {
  transform: translateY(-1px);
  box-shadow: 0 0 0 3px rgba(62, 207, 142, 0.1), var(--shadow-md);
  transition: all var(--transition-fast);
}

/* Enhanced loading states */
.btn.loading {
  position: relative;
  color: transparent;
  pointer-events: none;
  cursor: not-allowed;
}

.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Enhanced success states */
.btn.success {
  background: var(--success);
  color: white;
  animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* Enhanced error states */
.btn.error {
  background: var(--danger);
  color: white;
  animation: errorShake 0.5s ease-in-out;
}

@keyframes errorShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .btn:hover {
    transform: none;
  }
  
  .card:hover,
  .plan-card:hover {
    transform: none;
  }
  
  .hero::after {
    animation: none;
  }
}

/* Print styles */
@media print {
  .app-header,
  .app-footer,
  .btn,
  .language-toggle {
    display: none;
  }
  
  .container {
    padding: 0;
  }
  
  .screen {
    display: block !important;
  }
}