/* =============================================
   SlideForge AI — animations.css
   Keyframes, Transitions, Micro-interactions
   ============================================= */

/* ── Keyframes ─────────────────────────────── */
@keyframes fadeIn        { from{opacity:0} to{opacity:1} }
@keyframes fadeInUp      { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeInDown    { from{opacity:0;transform:translateY(-16px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeInLeft    { from{opacity:0;transform:translateX(-16px)} to{opacity:1;transform:translateX(0)} }
@keyframes fadeInRight   { from{opacity:0;transform:translateX(16px)} to{opacity:1;transform:translateX(0)} }
@keyframes scaleIn       { from{opacity:0;transform:scale(.92)} to{opacity:1;transform:scale(1)} }
@keyframes scaleInBounce { 0%{opacity:0;transform:scale(.6)} 70%{transform:scale(1.05)} 100%{opacity:1;transform:scale(1)} }
@keyframes slideInRight  { from{transform:translateX(100%)} to{transform:translateX(0)} }
@keyframes slideOutRight { from{transform:translateX(0)} to{transform:translateX(100%)} }
@keyframes slideInUp     { from{transform:translateY(100%)} to{transform:translateY(0)} }
@keyframes slideOutDown  { from{transform:translateY(0)} to{transform:translateY(100%)} }

@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(91,143,249,.4); }
  70%  { box-shadow: 0 0 0 12px rgba(91,143,249,0); }
  100% { box-shadow: 0 0 0 0 rgba(91,143,249,0); }
}

@keyframes gradient-shift {
  0%  { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100%{ background-position: 0% 50%; }
}

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

@keyframes glow-pulse {
  0%,100% { filter: drop-shadow(0 0 4px rgba(91,143,249,.4)); }
  50%     { filter: drop-shadow(0 0 16px rgba(91,143,249,.8)); }
}

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

@keyframes confetti-fall {
  0%   { transform: translateY(-10px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

@keyframes typing-cursor {
  0%,100% { border-color: var(--accent); }
  50%     { border-color: transparent; }
}

@keyframes progress-indeterminate {
  0%   { left: -40%; width: 40%; }
  60%  { left: 100%; width: 40%; }
  100% { left: 100%; width: 40%; }
}

@keyframes shimmer-move {
  from { background-position: -200% 0; }
  to   { background-position:  200% 0; }
}

@keyframes spin-slow { to { transform: rotate(360deg); } }

@keyframes blob-morph {
  0%,100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  25%     { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
  50%     { border-radius: 50% 60% 30% 60% / 40% 30% 70% 50%; }
  75%     { border-radius: 70% 30% 50% 40% / 30% 60% 40% 60%; }
}

/* ── Entrance animations ───────────────────── */
.anim-fade-in    { animation: fadeIn      .3s ease forwards; }
.anim-fade-in-up { animation: fadeInUp    .35s ease forwards; }
.anim-scale-in   { animation: scaleIn     .25s ease forwards; }
.anim-scale-bounce{ animation: scaleInBounce .4s ease forwards; }

/* Staggered children */
.stagger > * { opacity: 0; animation: fadeInUp .35s ease forwards; }
.stagger > *:nth-child(1)  { animation-delay: .05s; }
.stagger > *:nth-child(2)  { animation-delay: .10s; }
.stagger > *:nth-child(3)  { animation-delay: .15s; }
.stagger > *:nth-child(4)  { animation-delay: .20s; }
.stagger > *:nth-child(5)  { animation-delay: .25s; }
.stagger > *:nth-child(6)  { animation-delay: .30s; }
.stagger > *:nth-child(7)  { animation-delay: .35s; }
.stagger > *:nth-child(8)  { animation-delay: .40s; }
.stagger > *:nth-child(9)  { animation-delay: .45s; }

/* ── Hover effects ─────────────────────────── */
.hover-lift { transition: transform .2s ease, box-shadow .2s ease; }
.hover-lift:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.hover-glow { transition: box-shadow .25s ease; }
.hover-glow:hover { box-shadow: 0 0 0 2px var(--accent), var(--shadow-md); }

.hover-scale { transition: transform .15s ease; }
.hover-scale:hover { transform: scale(1.04); }

.hover-bright { transition: filter .2s ease; }
.hover-bright:hover { filter: brightness(1.1); }

/* ── Click ripple ──────────────────────────── */
.ripple-btn {
  position: relative;
  overflow: hidden;
}
.ripple-btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  transform: scale(0);
  animation: ripple-expand .6s linear;
  pointer-events: none;
}
@keyframes ripple-expand {
  to { transform: scale(4); opacity: 0; }
}

/* ── Progress ring ─────────────────────────── */
.progress-ring-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.progress-ring circle {
  transition: stroke-dashoffset .4s ease;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
}
.progress-ring-label {
  position: absolute;
  font-size: .75rem;
  font-weight: 700;
  color: var(--accent);
}

/* ── Confetti ──────────────────────────────── */
.confetti-piece {
  position: fixed;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  animation: confetti-fall linear forwards;
  pointer-events: none;
  z-index: 9999;
}

/* ── Typing animation ──────────────────────── */
.typing-text {
  border-right: 2px solid var(--accent);
  animation: typing-cursor .75s step-end infinite;
  white-space: nowrap;
  overflow: hidden;
}

/* ── Floating element ──────────────────────── */
.float-anim { animation: float 4s ease-in-out infinite; }

/* ── Gradient animated text ────────────────── */
.grad-text-anim {
  background: linear-gradient(270deg, #5b8ff9, #a78bfa, #06b6d4, #5b8ff9);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 4s ease infinite;
}

/* ── Reduced motion ────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}
[data-reduced-motion="true"] *, [data-reduced-motion="true"] *::before, [data-reduced-motion="true"] *::after {
  animation-duration: .01ms !important;
  transition-duration: .01ms !important;
}