/* ============================================
   KINETIC AI COACH — Premium Dark Theme
   ============================================ */

:root {
  --bg: #0a0a0f;
  --bg-2: #12121a;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-bright: rgba(255, 255, 255, 0.15);
  --text: #f5f5fa;
  --text-dim: #a0a0b8;
  --text-faint: #6b6b80;
  --purple: #a78bfa;
  --purple-deep: #7c3aed;
  --teal: #2dd4bf;
  --teal-deep: #0d9488;
  --pink: #f472b6;
  --grad: linear-gradient(135deg, #a78bfa 0%, #2dd4bf 100%);
  --grad-warm: linear-gradient(135deg, #f472b6 0%, #a78bfa 100%);
  --radius: 20px;
  --radius-sm: 14px;
  --radius-lg: 28px;
  --shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 60px rgba(167, 139, 250, 0.15);
  --font: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
}

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

html, body {
  height: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#app {
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.bg-gradient {
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at 20% 0%, rgba(124, 58, 237, 0.12) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 100%, rgba(13, 148, 136, 0.1) 0%, transparent 50%),
              var(--bg);
  z-index: 0;
}

.bg-orbs {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: floatOrb 20s ease-in-out infinite;
}

.orb-purple {
  width: 400px; height: 400px;
  background: #7c3aed;
  top: -100px; left: -100px;
}

.orb-teal {
  width: 350px; height: 350px;
  background: #0d9488;
  bottom: -80px; right: -80px;
  animation-delay: -7s;
}

.orb-pink {
  width: 250px; height: 250px;
  background: #db2777;
  top: 40%; left: 50%;
  animation-delay: -14s;
  opacity: 0.2;
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.1); }
  66% { transform: translate(-30px, 40px) scale(0.95); }
}

.screen {
  display: none;
  min-height: 100vh;
  padding: 24px 20px;
  align-items: center;
  justify-content: center;
  animation: screenIn 0.6s ease;
}

.screen.active {
  display: flex;
}

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

.glass {
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 100px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--grad);
  color: #0a0a0f;
  font-weight: 700;
  box-shadow: 0 4px 24px rgba(167, 139, 250, 0.3);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(167, 139, 250, 0.45);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-ghost {
  background: var(--surface);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--surface-2);
  color: var(--text);
}

.btn-large {
  padding: 18px 40px;
  font-size: 17px;
  border-radius: 100px;
}

.icon-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 42px; height: 42px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

.icon-btn:hover {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border-bright);
}

.welcome-container {
  text-align: center;
  max-width: 520px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.avatar-wrap {
  position: relative;
  width: 180px;
  height: 180px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--grad) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: spinRing 8s linear infinite;
}

.avatar-ring-2 {
  inset: -12px;
  border: 1px solid rgba(167, 139, 250, 0.2);
  background: none;
  -webkit-mask: none;
  animation: spinRing 12s linear infinite reverse;
}

@keyframes spinRing {
  to { transform: rotate(360deg); }
}

.avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(167, 139, 250, 0.2), rgba(13, 148, 136, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.avatar-core {
  position: relative;
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.3), transparent 70%);
  animation: pulse 3s ease-in-out infinite;
}

.avatar-pulse-2 {
  background: radial-gradient(circle, rgba(45, 212, 191, 0.2), transparent 70%);
  animation-delay: -1.5s;
}

@keyframes pulse {
  0%, 100% { transform: scale(0.8); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 0.2; }
}

.avatar-icon {
  position: relative;
  z-index: 2;
}

/* ---- Nova animated face avatar ---- */
.nova-face {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nf-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  display: block;
}

.nf-eye {
  transform-box: fill-box;
  transform-origin: center;
  animation: nfBlink 5.5s ease-in-out infinite;
}

.nf-eye:nth-child(2) { animation-delay: 0.06s; }

.nova-face .nf-eyes-happy { display: none; }

.nova-face.state-thinking .nf-eyes {
  transform-box: fill-box;
  transform-origin: center;
  transform: scaleY(0.55) translateY(2px);
}

.nova-face.state-thinking .nf-eye { animation: none; }

.nova-face.state-happy .nf-eyes { display: none; }
.nova-face.state-happy .nf-eyes-happy { display: block; }

.nova-face .nf-mouth-talk,
.nova-face .nf-mouth-thinking,
.nova-face .nf-mouth-happy {
  display: none;
}

.nova-face.state-talking .nf-mouth-idle,
.nova-face.state-thinking .nf-mouth-idle,
.nova-face.state-happy .nf-mouth-idle {
  display: none;
}

.nova-face.state-talking .nf-mouth-talk {
  display: block;
  transform-box: fill-box;
  transform-origin: center;
  animation: nfTalk 0.38s ease-in-out infinite alternate;
}

.nova-face.state-thinking .nf-mouth-thinking { display: block; }

.nova-face.state-thinking .nf-dot {
  transform-box: fill-box;
  transform-origin: center;
  animation: nfBounce 1s ease-in-out infinite;
}
.nova-face.state-thinking .nf-dot-2 { animation-delay: 0.15s; }
.nova-face.state-thinking .nf-dot-3 { animation-delay: 0.3s; }

.nova-face.state-happy .nf-mouth-happy { display: block; }

@keyframes nfBlink {
  0%, 92%, 100% { transform: scaleY(1); }
  96% { transform: scaleY(0.12); }
}

@keyframes nfTalk {
  from { transform: scaleY(0.4); }
  to { transform: scaleY(1); }
}

@keyframes nfBounce {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50% { transform: translateY(-4px); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .nf-eye,
  .nova-face.state-talking .nf-mouth-talk,
  .nova-face.state-thinking .nf-dot {
    animation: none !important;
  }
}

.app-title {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: 8px;
}

.app-tagline {
  color: var(--text-dim);
  font-size: 16px;
  font-weight: 400;
  margin-bottom: 24px;
}

.welcome-nova {
  margin: 8px 0 28px;
  width: 100%;
}

.nova-bubble {
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  text-align: left;
  position: relative;
}

.nova-bubble::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 16px; height: 16px;
  background: var(--surface);
  border-left: 1px solid var(--border);
  border-top: 1px solid var(--border);
}

.nova-bubble p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-dim);
  margin: 4px 0;
}

.nova-bubble strong {
  color: var(--purple);
  font-weight: 700;
}

.welcome-footnote {
  color: var(--text-faint);
  font-size: 12px;
  margin-top: 20px;
}

.onboarding-container {
  max-width: 640px;
  width: 100%;
}

.step-indicator {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
}

.step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-bright);
  transition: all 0.3s;
}

.step-dot.active {
  width: 28px;
  border-radius: 100px;
  background: var(--grad);
}

.onboard-step {
  display: none;
  animation: stepIn 0.4s ease;
}

.onboard-step.active {
  display: block;
}

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

.step-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.step-sub {
  text-align: center;
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 28px;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.choice-card {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 18px;
  cursor: pointer;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: var(--font);
  color: var(--text);
}

.choice-card:hover {
  background: var(--surface-2);
  border-color: var(--border-bright);
  transform: translateY(-3px);
}

.choice-card.selected {
  border-color: var(--purple);
  background: rgba(167, 139, 250, 0.08);
  box-shadow: 0 0 0 1px var(--purple), 0 8px 32px rgba(167, 139, 250, 0.15);
}

.choice-emoji {
  font-size: 36px;
  margin-bottom: 10px;
}

.choice-label {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.choice-desc {
  font-size: 13px;
  color: var(--text-faint);
}

.energy-wrap {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  margin-bottom: 28px;
}

.energy-emoji {
  font-size: 48px;
  margin-bottom: 12px;
  transition: transform 0.3s;
}

.energy-value {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 24px;
}

#energySlider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  border-radius: 100px;
  background: var(--surface-2);
  outline: none;
  margin-bottom: 14px;
}

#energySlider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--grad);
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(167, 139, 250, 0.4);
  border: 3px solid var(--bg);
}

#energySlider::-moz-range-thumb {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: #a78bfa;
  cursor: pointer;
  border: 3px solid var(--bg);
}

.energy-labels {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-faint);
  padding: 0 4px;
}

.onboard-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.onboard-nav .btn-ghost {
  visibility: hidden;
}

.onboard-nav .btn-ghost.visible {
  visibility: visible;
}

.reco-container {
  max-width: 560px;
  width: 100%;
}

.nova-mini {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  justify-content: center;
}

.nova-mini-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(167, 139, 250, 0.2), rgba(13, 148, 136, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

.nova-label {
  font-size: 14px;
  color: var(--text-dim);
  font-weight: 500;
}

.reco-card {
  padding: 32px 28px;
  text-align: center;
}

.reco-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(167, 139, 250, 0.12);
  color: var(--purple);
  border: 1px solid rgba(167, 139, 250, 0.2);
  margin-bottom: 16px;
}

.reco-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.reco-desc {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 24px;
  line-height: 1.5;
}

.reco-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.reco-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 8px;
  text-align: center;
}

.reco-stat-icon {
  font-size: 20px;
  margin-bottom: 6px;
}

.reco-stat-val {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 2px;
}

.reco-stat-label {
  font-size: 11px;
  color: var(--text-faint);
}

.reco-exercises {
  text-align: left;
  margin-bottom: 24px;
}

.reco-exercise-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  transition: all 0.2s;
}

.reco-exercise-item:hover {
  background: var(--surface-2);
}

.reco-exercise-item .num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--grad);
  color: #0a0a0f;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.reco-exercise-item .emoji {
  font-size: 22px;
}

.reco-exercise-item .name {
  font-weight: 600;
  font-size: 15px;
  flex: 1;
}

.reco-exercise-item .dur {
  font-size: 13px;
  color: var(--text-faint);
}

.nova-message {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  text-align: left;
  background: rgba(167, 139, 250, 0.06);
  border: 1px solid rgba(167, 139, 250, 0.15);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 24px;
}

.nova-msg-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(167, 139, 250, 0.2), rgba(13, 148, 136, 0.1));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 4px;
}

.nova-message p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-dim);
  padding-top: 6px;
}

.workout-container {
  max-width: 560px;
  width: 100%;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  justify-content: space-between;
  padding: 8px 0;
}

.workout-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.workout-progress-wrap {
  flex: 1;
}

.workout-progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.progress-bar {
  height: 6px;
  background: var(--surface-2);
  border-radius: 100px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--grad);
  border-radius: 100px;
  width: 0%;
  transition: width 0.5s ease;
}

.exercise-card-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.exercise-card {
  width: 100%;
  padding: 32px 28px;
  text-align: center;
  animation: cardIn 0.5s ease;
}

@keyframes cardIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.exercise-emoji {
  font-size: 56px;
  margin-bottom: 12px;
}

.exercise-name {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 6px;
}

.exercise-desc {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 24px;
}

.timer-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.timer-ring {
  position: relative;
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timer-ring svg {
  position: absolute;
  top: 0; left: 0;
  filter: drop-shadow(0 0 12px rgba(167, 139, 250, 0.3));
}

#timerCircle {
  transition: stroke-dashoffset 1s linear;
}

.timer-text {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 700;
  z-index: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.exercise-meta {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.meta-chip {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--text-dim);
}

.meta-chip strong {
  color: var(--text);
  font-weight: 700;
}

.nova-live-msg-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0;
}

.nova-live-msg-row .nova-live-msg {
  flex: 1;
  margin: 0;
}

.ai-badge-live {
  flex-shrink: 0;
  align-self: center;
}

.nova-live-msg {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(167, 139, 250, 0.06);
  border: 1px solid rgba(167, 139, 250, 0.15);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 16px 0;
  animation: msgIn 5s ease;
}

@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.nova-live-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(167, 139, 250, 0.2), rgba(13, 148, 136, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nova-live-text {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.4;
}

.workout-controls {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding-bottom: 8px;
}

.ctrl-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.ctrl-btn:hover {
  transform: translateY(-2px);
  background: var(--surface-2);
}

.ctrl-btn:active {
  transform: translateY(0) scale(0.97);
}

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

.ctrl-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
}

.ctrl-hard:hover { border-color: rgba(244, 114, 182, 0.4); }
.ctrl-easy:hover { border-color: rgba(45, 212, 191, 0.4); }
.ctrl-break:hover { border-color: rgba(167, 139, 250, 0.4); }
.ctrl-skip:hover { border-color: var(--border-bright); }

.break-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.break-overlay.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.break-card {
  text-align: center;
  padding: 36px 32px;
  max-width: 340px;
  width: 100%;
}

.break-emoji {
  font-size: 56px;
  margin-bottom: 12px;
  animation: bounce 1.5s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.break-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  margin-bottom: 8px;
}

.break-card p {
  color: var(--text-dim);
  margin-bottom: 20px;
  font-size: 15px;
}

.break-card p span {
  font-weight: 700;
  color: var(--purple);
}

.break-bar {
  height: 6px;
  background: var(--surface-2);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 24px;
}

.break-bar-fill {
  height: 100%;
  background: var(--grad);
  border-radius: 100px;
  width: 100%;
  transition: width 1s linear;
}

.completion-container {
  max-width: 560px;
  width: 100%;
  text-align: center;
}

.completion-celebrate {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.celebrate-burst {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.3), transparent 60%);
  animation: burst 2s ease-out infinite;
}

@keyframes burst {
  0% { transform: scale(0.5); opacity: 0.8; }
  100% { transform: scale(1.5); opacity: 0; }
}

.celebrate-ring {
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  border: 2px solid var(--grad);
  animation: spinRing 6s linear infinite;
}

.celebrate-emoji {
  font-size: 56px;
  position: relative;
  z-index: 1;
  animation: bounce 1.5s ease-in-out infinite;
}

.completion-title {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}

.completion-sub {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 28px;
}

.completion-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.comp-stat {
  padding: 22px 16px;
  text-align: center;
}

.comp-stat-emoji {
  font-size: 28px;
  margin-bottom: 8px;
}

.comp-stat-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px;
}

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

.summary-card {
  padding: 24px;
  margin-bottom: 20px;
  text-align: left;
}

.summary-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.summary-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.summary-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.summary-item .emoji {
  font-size: 20px;
}

.summary-item .name {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
}

.summary-item .check {
  color: var(--teal);
  font-size: 18px;
}

.summary-item .skip {
  color: var(--text-faint);
  font-size: 13px;
}

.next-reco {
  padding: 24px;
  margin-bottom: 24px;
  text-align: left;
}

.next-reco-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.next-reco-label {
  font-size: 12px;
  color: var(--text-faint);
  margin-bottom: 2px;
}

.next-reco h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}

.next-reco > p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: 14px;
}

.next-reco-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.next-tag {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.completion-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

/* ============================================
   AI BADGE (transparency indicator)
   ============================================ */
.ai-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(45, 212, 191, 0.12);
  border: 1px solid rgba(45, 212, 191, 0.3);
  color: var(--teal);
  margin-top: 8px;
}

.ai-badge.offline {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text-faint);
}

/* ============================================
   ASK NOVA CHAT (workout screen)
   ============================================ */
.ask-nova-toggle {
  width: 100%;
  margin: 4px 0 14px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ask-nova-toggle:hover {
  background: var(--surface-2);
  color: var(--text);
}

.nova-chat {
  display: none;
  flex-direction: column;
  margin: 4px 0 14px;
  padding: 14px;
  max-height: 280px;
}

.nova-chat.active {
  display: flex;
  animation: msgIn 0.3s ease;
}

.nova-chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.nova-chat-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nova-chat-log {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 10px;
  max-height: 160px;
}

.chat-msg {
  font-size: 13px;
  line-height: 1.45;
  padding: 8px 12px;
  border-radius: 12px;
  max-width: 88%;
}

.chat-msg-nova {
  align-self: flex-start;
  background: rgba(167, 139, 250, 0.08);
  border: 1px solid rgba(167, 139, 250, 0.15);
  color: var(--text-dim);
}

.chat-msg-user {
  align-self: flex-end;
  background: var(--surface-2);
  color: var(--text);
}

.chat-msg-thinking {
  align-self: flex-start;
  color: var(--text-faint);
  font-style: italic;
}

.nova-chat-input-row {
  display: flex;
  gap: 8px;
}

.nova-chat-input-row input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
}

.nova-chat-input-row input:focus {
  outline: none;
  border-color: var(--border-bright);
}

.nova-chat-input-row .btn {
  padding: 10px 18px;
  font-size: 13px;
}

/* ============================================
   REFLECTION (completion screen)
   ============================================ */
.nova-reflection {
  padding: 16px 20px;
  margin: 18px 0;
  text-align: left;
}

.reflection-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.nova-reflection p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ============================================
   FEEDBACK + WAITLIST (completion screen)
   ============================================ */
.feedback-card, .waitlist-card {
  padding: 20px;
  margin: 16px 0;
  text-align: left;
}

.star-rating {
  display: flex;
  gap: 6px;
  margin: 10px 0 14px;
}

.star {
  background: none;
  border: none;
  font-size: 28px;
  color: var(--border-bright);
  cursor: pointer;
  transition: color 0.15s ease, transform 0.15s ease;
  padding: 0;
  line-height: 1;
}

.star:hover {
  transform: scale(1.1);
}

.star.filled {
  color: var(--purple);
}

.feedback-textarea {
  width: 100%;
  min-height: 70px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  resize: vertical;
  margin-bottom: 12px;
}

.feedback-textarea:focus {
  outline: none;
  border-color: var(--border-bright);
}

.feedback-thanks, .waitlist-thanks {
  margin-top: 10px;
  font-size: 13px;
  color: var(--teal);
}

.waitlist-sub {
  font-size: 13px;
  color: var(--text-dim);
  margin: 6px 0 14px;
  line-height: 1.5;
}

.waitlist-form {
  display: flex;
  gap: 8px;
}

.waitlist-form input {
  flex: 1;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
}

.waitlist-form input:focus {
  outline: none;
  border-color: var(--border-bright);
}

.waitlist-form input.input-error {
  border-color: var(--pink);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.shake {
  animation: shake 0.4s ease;
}

@media (max-width: 480px) {
  .app-title { font-size: 30px; }
  .step-title { font-size: 22px; }
  .reco-title { font-size: 24px; }
  .completion-title { font-size: 28px; }
  .choice-grid { grid-template-columns: 1fr; }
  .reco-stats { grid-template-columns: repeat(2, 1fr); }
  .completion-stats { grid-template-columns: repeat(2, 1fr); }
  .timer-text { font-size: 44px; }
  .timer-ring { width: 170px; height: 170px; }
  .timer-ring svg { width: 170px; height: 170px; }
  .workout-controls { grid-template-columns: repeat(2, 1fr); }
  .btn-large { padding: 16px 32px; font-size: 15px; }
  .screen { padding: 16px 14px; }
  .reco-card, .exercise-card { padding: 24px 20px; }
}

@media (min-width: 768px) {
  .choice-grid { grid-template-columns: repeat(4, 1fr); }
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 100px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Welcome Feature Cards ---------- */

.quick-benefits{
  margin-top:24px;
  width:100%;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.benefit-card{
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px 18px;
  border-radius:18px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(12px);
  transition:all .3s ease;
}

.benefit-card:hover{
  transform:translateY(-3px);
  border-color:#8B5CF6;
  box-shadow:0 12px 28px rgba(139,92,246,.18);
}

.benefit-icon{
  font-size:30px;
  min-width:42px;
}

.benefit-card h4{
  margin:0 0 4px;
  color:#ffffff;
  font-size:15px;
}

.benefit-card p{
  margin:0;
  color:#BFC8D8;
  font-size:13px;
  line-height:1.45;
}