/* ========================================
   HIT IT Mind Diet — Animations & Effects
   ======================================== */

/* ---- Screen Entrance Animations ---- */
.screen.screen-active {
  animation: screenEnter 0.4s ease-out;
}

@keyframes screenEnter {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- Animated Canvas Waveforms ---- */
.tier-wave {
  position: relative;
}

.wave-canvas {
  width: 55%;
  max-width: 220px;
  height: auto;
  border-radius: var(--radius-sm);
  display: block;
}

/* Daily tier card wave animation */
.daily-tier-header {
  position: relative;
}

.daily-wave-thumb {
  position: relative;
}

.daily-tier-card {
  position: relative;
  overflow: hidden;
}

.daily-tier-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    var(--card-glow, rgba(255, 255, 255, 0.03)),
    transparent
  );
  animation: cardSweep 4s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

.daily-tier-card[data-tier="red"] { --card-glow: rgba(255, 68, 68, 0.05); }
.daily-tier-card[data-tier="green"] { --card-glow: rgba(68, 204, 68, 0.05); }
.daily-tier-card[data-tier="blue"] { --card-glow: rgba(74, 158, 255, 0.05); }
.daily-tier-card[data-tier="purple"] { --card-glow: rgba(170, 102, 255, 0.05); }
.daily-tier-card[data-tier="white"] { --card-glow: rgba(224, 224, 224, 0.04); }

@keyframes cardSweep {
  0% { left: -50%; }
  100% { left: 150%; }
}

/* ---- Enhanced Emotion Tap Effects ---- */
.emotion-btn {
  position: relative;
  overflow: visible;
}

/* Ripple burst on tap */
.emotion-btn.tapped::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--tap-color, rgba(74, 158, 255, 0.3)) 0%, transparent 70%);
  transform: translate(-50%, -50%) scale(0);
  animation: tapBurst 0.6s ease-out forwards;
  pointer-events: none;
  z-index: -1;
}

.tier-red .emotion-btn.tapped::before { --tap-color: rgba(255, 68, 68, 0.25); }
.tier-green .emotion-btn.tapped::before { --tap-color: rgba(68, 204, 68, 0.25); }
.tier-blue .emotion-btn.tapped::before { --tap-color: rgba(74, 158, 255, 0.25); }
.tier-purple .emotion-btn.tapped::before { --tap-color: rgba(170, 102, 255, 0.25); }
.tier-white .emotion-btn.tapped::before { --tap-color: rgba(224, 224, 224, 0.2); }

@keyframes tapBurst {
  0% { transform: translate(-50%, -50%) scale(0); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(2.5); opacity: 0; }
}

/* Sparkle ring */
.emotion-btn.tapped::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--tap-ring, rgba(74, 158, 255, 0.4));
  transform: translate(-50%, -50%) scale(0.5);
  animation: tapRing 0.5s ease-out forwards;
  pointer-events: none;
  z-index: -1;
}

.tier-red .emotion-btn.tapped::after { --tap-ring: rgba(255, 68, 68, 0.3); }
.tier-green .emotion-btn.tapped::after { --tap-ring: rgba(68, 204, 68, 0.3); }
.tier-blue .emotion-btn.tapped::after { --tap-ring: rgba(74, 158, 255, 0.3); }
.tier-purple .emotion-btn.tapped::after { --tap-ring: rgba(170, 102, 255, 0.3); }
.tier-white .emotion-btn.tapped::after { --tap-ring: rgba(224, 224, 224, 0.25); }

@keyframes tapRing {
  0% { transform: translate(-50%, -50%) scale(0.5); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(2); opacity: 0; }
}

/* ---- Animated Score Counter ---- */
.score-number {
  transition: transform 0.3s ease, color 0.3s ease;
}

.score-number.score-bump {
  animation: scoreBump 0.4s ease;
}

@keyframes scoreBump {
  0% { transform: scale(1); }
  30% { transform: scale(1.15); }
  60% { transform: scale(0.95); }
  100% { transform: scale(1); }
}

/* Calorie flash on log entry */
.score-flash {
  position: absolute;
  font-family: 'Montserrat', Helvetica, sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  pointer-events: none;
  animation: calFlash 1s ease-out forwards;
  z-index: 10;
}

.score-flash.burn { color: var(--tier-green); }
.score-flash.gain { color: var(--tier-red); }

@keyframes calFlash {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-40px) scale(0.8); }
}

/* ---- Glowing Card Borders (Weekly) ---- */
.weekly-card {
  position: relative;
  overflow: hidden;
}

.weekly-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-md);
  background: conic-gradient(
    from var(--card-angle, 0deg),
    transparent 0%,
    var(--accent-blue) 10%,
    var(--accent-cyan) 20%,
    transparent 30%
  );
  opacity: 0;
  animation: cardRotate 6s linear infinite, cardFadeIn 2s ease forwards;
  z-index: -1;
}

.weekly-card::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-md) - 1px);
  background: var(--bg-card);
  z-index: -1;
}

@keyframes cardRotate {
  from { --card-angle: 0deg; }
  to { --card-angle: 360deg; }
}

@keyframes cardFadeIn {
  from { opacity: 0; }
  to { opacity: 0.4; }
}

/* Register the custom property for animation */
@property --card-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

/* ---- Video Header Shared ---- */
.video-header {
  position: relative;
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.video-header video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-header-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 30%, var(--bg-primary) 100%);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}

.video-header-overlay h1 {
  font-family: 'Montserrat', Helvetica, sans-serif;
  font-weight: 200;
  font-size: 1.3rem;
}

/* ---- Floating Energy Particles ---- */
.particles-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat var(--p-dur, 6s) var(--p-delay, 0s) ease-in-out infinite;
}

@keyframes particleFloat {
  0% {
    opacity: 0;
    transform: translateY(0) scale(0);
  }
  15% {
    opacity: var(--p-opacity, 0.3);
    transform: translateY(-10px) scale(1);
  }
  85% {
    opacity: var(--p-opacity, 0.3);
    transform: translateY(calc(var(--p-travel, -80px))) scale(0.6);
  }
  100% {
    opacity: 0;
    transform: translateY(calc(var(--p-travel, -80px) - 20px)) scale(0);
  }
}

/* ---- Peak Vibration Triangle Glow ---- */
.peak-triangle {
  position: relative;
}

.peak-triangle img {
  position: relative;
  z-index: 1;
}

.peak-triangle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80%;
  height: 80%;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    ellipse at center,
    rgba(170, 102, 255, 0.15) 0%,
    rgba(74, 158, 255, 0.08) 40%,
    transparent 70%
  );
  border-radius: 50%;
  animation: triangleGlow 4s ease-in-out infinite;
  z-index: 0;
}

@keyframes triangleGlow {
  0%, 100% { opacity: 0.4; transform: translate(-50%, -50%) scale(0.95); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
}

/* ---- Milestone Achievement Animation ---- */
.milestone.achieved {
  animation: milestoneAchieve 0.6s ease-out;
}

@keyframes milestoneAchieve {
  0% { transform: scale(0.95); opacity: 0; }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); opacity: 1; }
}

/* ---- Splash Logo Float ---- */
.splash-hero .logo-overlay {
  animation: logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-6px); }
}

/* ---- Score Bar Glow on Change ---- */
.score-bar {
  position: relative;
}

.score-bar.glowing::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--glow-color, var(--accent-blue));
  border-radius: 2px;
  animation: scoreGlow 1s ease-out forwards;
}

.score-bar.glowing.glow-positive { --glow-color: var(--tier-green); }
.score-bar.glowing.glow-negative { --glow-color: var(--tier-red); }

@keyframes scoreGlow {
  0% { opacity: 1; box-shadow: 0 0 15px var(--glow-color); }
  100% { opacity: 0; box-shadow: 0 0 0 var(--glow-color); }
}

/* ---- Stagger Entrance for Tier Sections ---- */
.tier-section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.tier-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.tier-section:nth-child(1) { transition-delay: 0.05s; }
.tier-section:nth-child(2) { transition-delay: 0.1s; }
.tier-section:nth-child(3) { transition-delay: 0.15s; }
.tier-section:nth-child(4) { transition-delay: 0.2s; }
.tier-section:nth-child(5) { transition-delay: 0.25s; }

/* ---- Daily Card Stagger ---- */
.daily-tier-card {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.daily-tier-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Log Entry Slide In ---- */
.log-entry {
  animation: logSlideIn 0.3s ease-out;
}

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

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
  .screen.screen-active,
  .daily-tier-card::before,
  .emotion-btn.tapped::before,
  .emotion-btn.tapped::after,
  .score-number.score-bump,
  .score-flash,
  .weekly-card::before,
  .peak-triangle::before,
  .milestone.achieved,
  .splash-hero .logo-overlay,
  .log-entry,
  .particle {
    animation: none !important;
  }
  .tier-section,
  .daily-tier-card {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}