/* WakeMate — Design System */

:root {
  /* Colors */
  --primary: #FF6B35;
  --primary-dark: #E55A2B;
  --secondary: #4ECDC4;
  --accent: #FFE66D;
  --success: #2ECC71;
  --danger: #E74C3C;
  --warning: #F39C12;
  
  /* Neutrals */
  --bg-light: #F8F9FA;
  --bg-card: #FFFFFF;
  --text-primary: #2D3436;
  --text-secondary: #636E72;
  --text-muted: #B2BEC3;
  --border: #DFE6E9;
  
  /* Dark mode colors */
  --bg-dark: #1A1A2E;
  --bg-dark-card: #16213E;
  --text-light: #FFFFFF;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  
  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

/* Phone Frame */
.phone-frame {
  width: 375px;
  height: 812px;
  background: var(--bg-light);
  border-radius: 40px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Status Bar */
.status-bar {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg);
  background: var(--bg-card);
  font-size: 14px;
  font-weight: 600;
}

/* App Container */
.app-container {
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* Screens */
.screen {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-lg);
  overflow-y: auto;
  display: none;
  background: var(--bg-light);
}

.screen.active {
  display: block;
}

.screen-dark {
  background: var(--bg-dark);
  color: var(--text-light);
}

/* App Header */
.app-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.app-header h1 {
  font-size: 28px;
  color: var(--primary);
}

.tagline {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: var(--space-xs);
}

/* Streak Card */
.streak-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  color: white;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.streak-flame {
  font-size: 48px;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.streak-info {
  flex: 1;
}

.streak-number {
  font-size: 42px;
  font-weight: 800;
  display: block;
  line-height: 1;
}

.streak-label {
  font-size: 14px;
  opacity: 0.9;
}

.streak-badge .badge {
  background: rgba(255, 255, 255, 0.2);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

/* Tomorrow Alarm */
.tomorrow-alarm {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.tomorrow-alarm h3 {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.alarm-time-display {
  margin-bottom: var(--space-md);
}

.alarm-time {
  font-size: 48px;
  font-weight: 700;
  color: var(--text-primary);
}

.alarm-status {
  display: block;
  font-size: 14px;
  color: var(--secondary);
  margin-top: var(--space-xs);
}

.matching-animation {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto;
}

.pulse-ring {
  position: absolute;
  inset: 0;
  border: 3px solid var(--secondary);
  border-radius: var(--radius-full);
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}

.user-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  background: var(--bg-light);
  border-radius: var(--radius-full);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  display: block;
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Buttons */
.btn-primary {
  width: 100%;
  padding: var(--space-md);
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: var(--space-sm);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  width: 100%;
  padding: var(--space-md);
  background: transparent;
  color: var(--text-secondary);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-text {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  text-decoration: underline;
  margin-top: var(--space-md);
}

/* Screen Header */
.screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.back-btn, .save-btn {
  background: none;
  border: none;
  font-size: 18px;
  color: var(--primary);
  cursor: pointer;
  padding: var(--space-sm);
}

.screen-header h2 {
  font-size: 18px;
}

/* Time Picker */
.time-picker {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.time-scroll {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.scroll-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.scroll-item {
  font-size: 24px;
  color: var(--text-muted);
  padding: var(--space-xs) var(--space-md);
  cursor: pointer;
  transition: all 0.2s;
}

.scroll-item.selected {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
}

.time-separator {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
}

/* Days Picker */
.days-picker {
  margin-bottom: var(--space-lg);
}

.days-picker h3 {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.days-row {
  display: flex;
  gap: var(--space-xs);
}

.day-btn {
  flex: 1;
  aspect-ratio: 1;
  border: 2px solid var(--border);
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.day-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* Preferences */
.preferences {
  margin-bottom: var(--space-lg);
}

.pref-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
}

.pref-item span {
  font-size: 14px;
  color: var(--text-primary);
}

.pref-item select {
  border: none;
  background: transparent;
  color: var(--primary);
  font-size: 14px;
  text-align: right;
}

/* Info Box */
.info-box {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: rgba(78, 205, 196, 0.1);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--secondary);
}

.info-icon {
  font-size: 18px;
}

.info-box p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Calling Screen */
.call-incoming {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
}

.alarm-ringing {
  position: relative;
  width: 120px;
  height: 120px;
  margin-bottom: var(--space-xl);
}

.ring-animation {
  position: absolute;
  inset: 0;
}

.ring-circle {
  position: absolute;
  inset: 0;
  border: 3px solid var(--primary);
  border-radius: var(--radius-full);
  animation: ring-expand 1.5s ease-out infinite;
}

.ring-circle.delay-1 { animation-delay: 0.5s; }
.ring-circle.delay-2 { animation-delay: 1s; }

@keyframes ring-expand {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2); opacity: 0; }
}

.alarm-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  animation: shake 0.5s ease-in-out infinite;
}

@keyframes shake {
  0%, 100% { transform: rotate(-10deg); }
  50% { transform: rotate(10deg); }
}

.call-title {
  font-size: 28px;
  margin-bottom: var(--space-xs);
}

.call-subtitle {
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
}

.buddy-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.buddy-avatar {
  width: 80px;
  height: 80px;
  background: var(--bg-dark-card);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}

.buddy-avatar.large {
  width: 100px;
  height: 100px;
  font-size: 40px;
}

.buddy-stats {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  font-size: 14px;
  color: var(--text-muted);
}

.buddy-streak {
  color: var(--accent);
}

/* Call Actions */
.call-actions {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.call-btn {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s;
}

.call-btn:hover {
  transform: scale(1.1);
}

.call-btn span:first-child {
  font-size: 28px;
}

.btn-label {
  font-size: 12px;
  margin-top: var(--space-xs);
}

.call-btn.decline {
  background: var(--danger);
  color: white;
}

.call-btn.answer {
  background: var(--success);
  color: white;
}

.call-warning {
  font-size: 13px;
  color: var(--warning);
}

/* Connected Call */
.call-connected {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.call-timer {
  font-size: 48px;
  font-weight: 200;
  margin-bottom: var(--space-lg);
}

.sound-wave {
  display: flex;
  gap: var(--space-xs);
  height: 60px;
  align-items: center;
  margin-bottom: var(--space-xl);
}

.wave-bar {
  width: 8px;
  background: var(--secondary);
  border-radius: 4px;
  animation: wave 0.8s ease-in-out infinite;
}

.wave-bar:nth-child(1) { animation-delay: 0s; height: 20px; }
.wave-bar:nth-child(2) { animation-delay: 0.1s; height: 40px; }
.wave-bar:nth-child(3) { animation-delay: 0.2s; height: 60px; }
.wave-bar:nth-child(4) { animation-delay: 0.1s; height: 40px; }
.wave-bar:nth-child(5) { animation-delay: 0s; height: 20px; }

@keyframes wave {
  0%, 100% { transform: scaleY(0.5); }
  50% { transform: scaleY(1); }
}

.buddy-speaking {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.speech-bubble {
  background: var(--bg-dark-card);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  margin-top: var(--space-md);
  font-style: italic;
  color: var(--text-muted);
}

.response-btn {
  background: var(--success);
  color: white;
  border: none;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-lg);
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s;
  margin-bottom: var(--space-xl);
}

.response-btn:hover {
  transform: scale(1.05);
}

.call-controls {
  display: flex;
  gap: var(--space-lg);
}

.control-btn {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--bg-dark-card);
  border: none;
  font-size: 24px;
  cursor: pointer;
  transition: all 0.2s;
}

.control-btn:hover {
  background: var(--text-secondary);
}

.control-btn.end {
  background: var(--danger);
}

/* Success Screen */
.success-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
}

.success-icon {
  font-size: 80px;
  margin-bottom: var(--space-lg);
  animation: bounce 1s ease-in-out;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.success-content h2 {
  font-size: 28px;
  color: var(--success);
  margin-bottom: var(--space-xs);
}

.success-message {
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.streak-update {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.streak-before, .streak-after {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.streak-num {
  font-size: 48px;
  font-weight: 700;
  color: var(--text-muted);
}

.streak-num.highlight {
  color: var(--primary);
}

.streak-arrow {
  font-size: 32px;
  color: var(--success);
}

.motivation-quote {
  background: var(--bg-card);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
  max-width: 280px;
}

.motivation-quote p {
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.motivation-quote span {
  font-size: 12px;
  color: var(--text-secondary);
}

.buddy-feedback {
  margin-bottom: var(--space-lg);
}

.buddy-feedback p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.rating-btns {
  display: flex;
  gap: var(--space-md);
}

.rate-btn {
  font-size: 32px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
}

.rate-btn:hover, .rate-btn.selected {
  border-color: var(--primary);
  transform: scale(1.1);
}

/* Missed Screen */
.missed-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
}

.missed-icon {
  font-size: 80px;
  margin-bottom: var(--space-lg);
}

.missed-content h2 {
  font-size: 28px;
  color: var(--danger);
  margin-bottom: var(--space-xs);
}

.missed-message {
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.streak-reset {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.old-streak, .new-streak {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.streak-num.crossed {
  text-decoration: line-through;
  color: var(--text-muted);
}

.streak-num.zero {
  color: var(--danger);
}

.consequence-box {
  background: rgba(231, 76, 60, 0.1);
  border-left: 3px solid var(--danger);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-xl);
  text-align: left;
}

.consequence-box p {
  font-size: 14px;
  color: var(--text-primary);
}

.consequence-box .small {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

/* Onboarding */
.onboarding-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
}

.onboarding-slide {
  margin-bottom: var(--space-xl);
}

.slide-icon {
  font-size: 80px;
  margin-bottom: var(--space-lg);
}

.onboarding-slide h2 {
  font-size: 24px;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.onboarding-slide p {
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 280px;
}

.onboarding-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.feature {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--bg-card);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  width: 260px;
}

.feature-icon {
  font-size: 24px;
}

.feature span:last-child {
  font-size: 14px;
  color: var(--text-primary);
}

/* Bottom Navigation */
.bottom-nav {
  display: flex;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: var(--space-sm) 0;
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  background: none;
  border: none;
  padding: var(--space-sm);
  cursor: pointer;
  color: var(--text-muted);
  font-size: 12px;
  transition: color 0.2s;
}

.nav-item span:first-child {
  font-size: 20px;
}

.nav-item.active {
  color: var(--primary);
}

.nav-item:hover {
  color: var(--primary);
}

/* Responsive */
@media (max-width: 420px) {
  .phone-frame {
    width: 100%;
    height: 100vh;
    border-radius: 0;
  }
  
  body {
    padding: 0;
  }
}