/* ==========================================================
   SolarPro Design System - Animations
   Keyframes and utility animation classes
   ========================================================== */

/* ── Keyframes ── */

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

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

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

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

@keyframes scaleIn {
  from {
    transform: scale(0.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes scaleOut {
  from {
    transform: scale(1);
    opacity: 1;
  }
  to {
    transform: scale(0.95);
    opacity: 0;
  }
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes drawLine {
  from {
    stroke-dashoffset: 1000;
  }
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

@keyframes expandWidth {
  from {
    width: 0%;
  }
  to {
    width: var(--target-width, 100%);
  }
}

@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.5;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

/* ── Animation Utility Classes ── */

.animate-fade-in {
  animation: fadeIn 400ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-fade-out {
  animation: fadeOut 300ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-slide-in-right {
  animation: slideInRight 350ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-slide-in-left {
  animation: slideInLeft 350ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-slide-in-up {
  animation: slideInUp 400ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-slide-in-down {
  animation: slideInDown 400ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-scale-in {
  animation: scaleIn 250ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-count-up {
  animation: countUp 500ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-spin {
  animation: spin 0.7s linear infinite;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-bounce {
  animation: bounce 1s ease infinite;
}

.animate-draw-line {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 1.5s ease forwards;
}

.animate-shimmer {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 0%,
    var(--bg-card-hover) 50%,
    var(--bg-tertiary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.8s ease-in-out infinite;
}

/* ── Stagger Delays ── */

.stagger-1 { animation-delay: 50ms; }
.stagger-2 { animation-delay: 100ms; }
.stagger-3 { animation-delay: 150ms; }
.stagger-4 { animation-delay: 200ms; }
.stagger-5 { animation-delay: 250ms; }
.stagger-6 { animation-delay: 300ms; }
.stagger-7 { animation-delay: 350ms; }
.stagger-8 { animation-delay: 400ms; }
.stagger-9 { animation-delay: 450ms; }
.stagger-10 { animation-delay: 500ms; }

/* Stagger children need to start invisible */
.stagger-1,
.stagger-2,
.stagger-3,
.stagger-4,
.stagger-5,
.stagger-6,
.stagger-7,
.stagger-8,
.stagger-9,
.stagger-10 {
  animation-fill-mode: both;
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}