/* ========================================
   WATER INTAKE TRACKER - ANIMATIONS
   3D Effects | Natural Water Animations
   ======================================== */

/* ========================================
   WATER SURFACE WAVE ANIMATION
   ======================================== */

.water-surface {
  animation: wave 3s ease-in-out infinite;
}

@keyframes wave {
  0%, 100% {
    transform: scaleY(0.5) translateY(0);
  }
  50% {
    transform: scaleY(0.5) translateY(-3px);
  }
}

.glass-water-surface {
  animation: glass-wave 2.5s ease-in-out infinite;
}

@keyframes glass-wave {
  0%, 100% {
    transform: scaleY(0.5) translateY(0);
  }
  50% {
    transform: scaleY(0.5) translateY(-2px);
  }
}

/* ========================================
   BUBBLES ANIMATION
   ======================================== */

.water-bubbles::before,
.water-bubbles::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  animation: bubble-rise 4s ease-in-out infinite;
}

.water-bubbles::before {
  left: 20%;
  animation-delay: 0s;
}

.water-bubbles::after {
  left: 60%;
  animation-delay: 2s;
}

@keyframes bubble-rise {
  0% {
    bottom: 10px;
    transform: scale(1);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 0.5;
  }
  100% {
    bottom: 100%;
    transform: scale(1.5);
    opacity: 0;
  }
}

/* ========================================
   POUR ANIMATION - More Realistic
   ======================================== */

.bottle-3d.pouring {
  animation: bottle-tilt 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes bottle-tilt {
  0% {
    transform: rotate(0deg) translateY(0);
  }
  30% {
    transform: rotate(-35deg) translateY(-5px);
  }
  70% {
    transform: rotate(-35deg) translateY(-5px);
  }
  100% {
    transform: rotate(0deg) translateY(0);
  }
}

.water-stream.active {
  animation: stream-flow 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes stream-flow {
  0% {
    height: 0;
    opacity: 0;
  }
  15% {
    height: 180px;
    opacity: 1;
  }
  85% {
    height: 180px;
    opacity: 1;
  }
  100% {
    height: 0;
    opacity: 0;
  }
}

.water-stream {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) rotate(-35deg);
  transform-origin: top center;
  width: 20px;
  height: 0;
  overflow: visible;
}

.bottle-3d.pouring .water-stream {
  animation: stream-arc 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes stream-arc {
  0% {
    height: 0;
    opacity: 0;
    transform: translateX(-50%) rotate(-35deg) translateX(0);
  }
  15% {
    height: 220px;
    opacity: 1;
    transform: translateX(-50%) rotate(-35deg) translateX(-120px);
  }
  85% {
    height: 220px;
    opacity: 1;
    transform: translateX(-50%) rotate(-35deg) translateX(-120px);
  }
  100% {
    height: 0;
    opacity: 0;
    transform: translateX(-50%) rotate(-35deg) translateX(-120px);
  }
}

/* Main stream body */
.water-stream::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 100%;
  background: linear-gradient(90deg,
    rgba(186, 230, 253, 0.35) 0%,
    rgba(125, 211, 252, 0.38) 30%,
    rgba(56, 189, 248, 0.40) 50%,
    rgba(14, 165, 233, 0.38) 70%,
    rgba(2, 132, 199, 0.35) 100%
  );
  border-radius: 6px;
  box-shadow: 
    0 0 20px rgba(56, 189, 248, 0.25),
    inset 0 0 10px rgba(255, 255, 255, 0.2);
  animation: stream-wobble 0.2s ease-in-out infinite;
}

/* Secondary stream for depth */
.water-stream::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 100%;
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.25) 0%,
    rgba(186, 230, 253, 0.15) 50%,
    rgba(125, 211, 252, 0.08) 100%
  );
  border-radius: 4px;
  animation: stream-wobble-secondary 0.25s ease-in-out infinite reverse;
}

@keyframes stream-wobble {
  0%, 100% {
    transform: translateX(-50%) skewX(-2deg) scaleX(1);
  }
  50% {
    transform: translateX(-50%) skewX(2deg) scaleX(1.1);
  }
}

@keyframes stream-wobble-secondary {
  0%, 100% {
    transform: translateX(-50%) skewX(1deg) scaleX(0.9);
  }
  50% {
    transform: translateX(-50%) skewX(-1deg) scaleX(1);
  }
}

/* Droplets */
.water-droplets {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 100%;
  pointer-events: none;
}

.water-droplets::before,
.water-droplets::after {
  content: '';
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(186, 230, 253, 0.4);
  border-radius: 50%;
  animation: droplet-fall 0.4s linear infinite;
}

.water-droplets::before {
  left: 20%;
  animation-delay: 0s;
}

.water-droplets::after {
  left: 80%;
  animation-delay: 0.2s;
}

@keyframes droplet-fall {
  0% {
    top: 0;
    opacity: 1;
    transform: scale(1);
  }
  100% {
    top: 100%;
    opacity: 0;
    transform: scale(0.5);
  }
}

/* Splash effect at bottom */
.water-splash {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 20px;
  opacity: 0;
}

.water-stream.active .water-splash {
  animation: splash-appear 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.water-splash::before,
.water-splash::after {
  content: '';
  position: absolute;
  bottom: 0;
  width: 6px;
  height: 6px;
  background: rgba(186, 230, 253, 0.35);
  border-radius: 50%;
}

.water-splash::before {
  left: 20%;
  animation: splash-left 0.5s ease-out infinite;
}

.water-splash::after {
  right: 20%;
  animation: splash-right 0.5s ease-out infinite;
}

@keyframes splash-appear {
  0%, 10% {
    opacity: 0;
  }
  15%, 85% {
    opacity: 1;
  }
  90%, 100% {
    opacity: 0;
  }
}

@keyframes splash-left {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(-15px, -20px) scale(0.3);
    opacity: 0;
  }
}

@keyframes splash-right {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(15px, -20px) scale(0.3);
    opacity: 0;
  }
}

.glass-3d.filling {
  animation: glass-shake 0.6s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

@keyframes glass-shake {
  0%, 100% {
    transform: translateX(0) rotate(0deg);
  }
  20% {
    transform: translateX(-4px) rotate(-1deg);
  }
  40% {
    transform: translateX(4px) rotate(1deg);
  }
  60% {
    transform: translateX(-3px) rotate(-0.5deg);
  }
  80% {
    transform: translateX(3px) rotate(0.5deg);
  }
}

/* ========================================
   DRINK ANIMATION (Water Disappearing) - More Natural
   ======================================== */

.glass-water.drinking {
  animation: water-drink 2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes water-drink {
  0% {
    height: var(--drink-height);
    opacity: 1;
    transform: translateY(0);
  }
  20% {
    height: calc(var(--drink-height) * 0.6);
    opacity: 0.95;
    transform: translateY(5px);
  }
  40% {
    height: calc(var(--drink-height) * 0.3);
    opacity: 0.85;
    transform: translateY(10px);
  }
  60% {
    height: calc(var(--drink-height) * 0.1);
    opacity: 0.6;
    transform: translateY(15px);
  }
  80% {
    height: 0%;
    opacity: 0.3;
    transform: translateY(20px);
  }
  100% {
    height: 0%;
    opacity: 0;
    transform: translateY(25px);
  }
}

.glass-3d.drinking {
  animation: glass-tilt-drink 2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes glass-tilt-drink {
  0% {
    transform: rotate(0deg) translateY(0);
  }
  25% {
    transform: rotate(50deg) translateY(-10px);
  }
  75% {
    transform: rotate(50deg) translateY(-10px);
  }
  100% {
    transform: rotate(0deg) translateY(0);
  }
}

.glass-water-surface.drinking {
  animation: surface-drain 2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes surface-drain {
  0% {
    transform: scaleY(0.4) translateY(0);
    opacity: 0.9;
  }
  100% {
    transform: scaleY(0.4) translateY(100%);
    opacity: 0;
  }
}

/* ========================================
   SUCCESS CELEBRATION
   ======================================== */

.celebration {
  animation: celebrate 0.6s ease-in-out;
}

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

/* ========================================
   SCREEN TRANSITIONS
   ======================================== */

.screen {
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.screen.fade-out {
  opacity: 0;
  transform: scale(0.95);
}

.screen.fade-in {
  opacity: 0;
  transform: scale(0.95);
  animation: screen-enter 0.5s ease forwards;
}

@keyframes screen-enter {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ========================================
   BUTTON HOVER EFFECTS
   ======================================== */

.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::after {
  width: 300px;
  height: 300px;
}

/* ========================================
   PROGRESS BAR ANIMATION
   ======================================== */

.progress-value {
  transition: color 0.3s ease;
}

.progress-value.goal-reached {
  color: var(--success);
  animation: pulse 0.5s ease;
}

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

/* ========================================
   NOTIFICATION PULSE
   ======================================== */

.notification-status {
  transition: all 0.3s ease;
}

.notification-status.reminder-due {
  background: var(--success);
  color: white;
  animation: notification-pulse 2s ease-in-out infinite;
}

.notification-status.reminder-due svg {
  color: white;
}

@keyframes notification-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
  }
}

/* ========================================
   WATER RIPPLE EFFECT
   ======================================== */

.water-3d::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s, opacity 0.6s;
}

.water-3d.ripple::before {
  width: 200px;
  height: 200px;
  opacity: 0;
}

/* ========================================
   GLASS REFLECTION SHIMMER
   ======================================== */

.bottle-reflection,
.glass-reflection {
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.5;
  }
}

/* ========================================
   FLOATING ANIMATION FOR ICONS
   ======================================== */

.logo-icon {
  animation: float 3s ease-in-out infinite;
}

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

/* ========================================
   LOADING SPINNER (for future use)
   ======================================== */

.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}