/* ============================================================
   ANIMATIONS.CSS — Keyframes, transições e micro-animações
   Central de Ouvintes Maisnova
   ============================================================ */

/* -------------------------------------------------------
   KEYFRAMES — Fade
   ------------------------------------------------------- */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@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 — Slide
   ------------------------------------------------------- */
@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

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

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

@keyframes slideInFromBottom {
  from {
    transform: translateY(24px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* -------------------------------------------------------
   KEYFRAMES — Pulse (indicadores de status)
   ------------------------------------------------------- */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

@keyframes pulseRing {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  100% {
    transform: scale(2.2);
    opacity: 0;
  }
}

@keyframes pulseDot {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(34, 197, 94, 0);
  }
}

/* -------------------------------------------------------
   KEYFRAMES — Spin (loaders)
   ------------------------------------------------------- */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

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

/* -------------------------------------------------------
   KEYFRAMES — Shimmer (skeleton loaders)
   ------------------------------------------------------- */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* -------------------------------------------------------
   KEYFRAMES — Bounce
   ------------------------------------------------------- */
@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.95);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes bounceInSmall {
  0% {
    opacity: 0;
    transform: scale(0.85);
  }
  60% {
    opacity: 1;
    transform: scale(1.03);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-8px);
  }
  60% {
    transform: translateY(-4px);
  }
}

/* -------------------------------------------------------
   KEYFRAMES — Gradient Shift (fundo do login)
   ------------------------------------------------------- */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  25% {
    background-position: 50% 0%;
  }
  50% {
    background-position: 100% 50%;
  }
  75% {
    background-position: 50% 100%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* -------------------------------------------------------
   KEYFRAMES — Float (efeito flutuante sutil)
   ------------------------------------------------------- */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  33% {
    transform: translateY(-6px) rotate(1deg);
  }
  66% {
    transform: translateY(-3px) rotate(-1deg);
  }
}

/* -------------------------------------------------------
   KEYFRAMES — Shake (erro)
   ------------------------------------------------------- */
@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-4px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(4px);
  }
}

/* -------------------------------------------------------
   KEYFRAMES — Scale (entrada de modal)
   ------------------------------------------------------- */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.92);
  }
}

/* -------------------------------------------------------
   KEYFRAMES — Glow (brilho pulsante)
   ------------------------------------------------------- */
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(0, 96, 173, 0.2),
                0 0 15px rgba(0, 96, 173, 0.1);
  }
  50% {
    box-shadow: 0 0 10px rgba(0, 96, 173, 0.4),
                0 0 30px rgba(0, 96, 173, 0.2);
  }
}

@keyframes glowBlue {
  0%, 100% {
    box-shadow: 0 0 5px rgba(0, 96, 173, 0.2),
                0 0 15px rgba(0, 96, 173, 0.1);
  }
  50% {
    box-shadow: 0 0 10px rgba(0, 96, 173, 0.4),
                0 0 30px rgba(0, 96, 173, 0.2);
  }
}

/* -------------------------------------------------------
   KEYFRAMES — Toast (notificação)
   ------------------------------------------------------- */
@keyframes toastSlideIn {
  from {
    transform: translateX(100%) translateY(0);
    opacity: 0;
  }
  to {
    transform: translateX(0) translateY(0);
    opacity: 1;
  }
}

@keyframes toastSlideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(120%);
    opacity: 0;
  }
}

/* -------------------------------------------------------
   KEYFRAMES — Typing (indicador de digitação)
   ------------------------------------------------------- */
@keyframes typingDot {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-6px);
    opacity: 1;
  }
}

/* -------------------------------------------------------
   KEYFRAMES — Orbs flutuantes (fundo)
   ------------------------------------------------------- */
@keyframes orbFloat1 {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(40px, -30px) scale(1.05);
  }
  50% {
    transform: translate(-20px, -50px) scale(0.95);
  }
  75% {
    transform: translate(-40px, -10px) scale(1.02);
  }
}

@keyframes orbFloat2 {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(-30px, 40px) scale(0.98);
  }
  50% {
    transform: translate(50px, 20px) scale(1.04);
  }
  75% {
    transform: translate(20px, -30px) scale(0.97);
  }
}

/* -------------------------------------------------------
   CLASSES UTILITÁRIAS DE ANIMAÇÃO
   ------------------------------------------------------- */
.animate-fade-in {
  animation: fadeIn var(--duration-normal) var(--ease-out) both;
}

.animate-fade-in-up {
  animation: fadeInUp var(--duration-normal) var(--ease-out) both;
}

.animate-fade-in-down {
  animation: fadeInDown var(--duration-normal) var(--ease-out) both;
}

.animate-fade-out {
  animation: fadeOut var(--duration-normal) var(--ease-in) both;
}

.animate-slide-up {
  animation: slideUp var(--duration-slow) var(--ease-out) both;
}

.animate-slide-down {
  animation: slideDown var(--duration-slow) var(--ease-out) both;
}

.animate-slide-left {
  animation: slideLeft var(--duration-slow) var(--ease-out) both;
}

.animate-slide-right {
  animation: slideRight var(--duration-slow) var(--ease-out) both;
}

.animate-bounce-in {
  animation: bounceIn var(--duration-slow) var(--ease-spring) both;
}

.animate-bounce-in-small {
  animation: bounceInSmall var(--duration-normal) var(--ease-spring) both;
}

.animate-scale-in {
  animation: scaleIn var(--duration-normal) var(--ease-out) both;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-pulse {
  animation: pulse 2s var(--ease-in-out) infinite;
}

.animate-float {
  animation: float 3s var(--ease-in-out) infinite;
}

.animate-float-slow {
  animation: floatSlow 6s var(--ease-in-out) infinite;
}

.animate-shake {
  animation: shake 0.5s var(--ease-in-out);
}

.animate-glow {
  animation: glow 2s var(--ease-in-out) infinite;
}

.animate-glow-blue {
  animation: glowBlue 2s var(--ease-in-out) infinite;
}

/* -------------------------------------------------------
   DELAYS DE ANIMAÇÃO (para sequências escalonadas)
   ------------------------------------------------------- */
.delay-75   { animation-delay: 75ms; }
.delay-100  { animation-delay: 100ms; }
.delay-150  { animation-delay: 150ms; }
.delay-200  { animation-delay: 200ms; }
.delay-300  { animation-delay: 300ms; }
.delay-400  { animation-delay: 400ms; }
.delay-500  { animation-delay: 500ms; }
.delay-700  { animation-delay: 700ms; }
.delay-1000 { animation-delay: 1000ms; }

/* -------------------------------------------------------
   DURAÇÕES DE ANIMAÇÃO
   ------------------------------------------------------- */
.duration-fast   { animation-duration: var(--duration-fast); }
.duration-normal { animation-duration: var(--duration-normal); }
.duration-slow   { animation-duration: var(--duration-slow); }

/* -------------------------------------------------------
   ANIMAÇÃO NO HOVER
   ------------------------------------------------------- */
.hover-lift {
  transition: transform var(--transition-normal),
              box-shadow var(--transition-normal);
}
.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.hover-scale {
  transition: transform var(--transition-fast);
}
.hover-scale:hover {
  transform: scale(1.03);
}

.hover-glow {
  transition: box-shadow var(--transition-normal);
}
.hover-glow:hover {
  box-shadow: var(--shadow-glow);
}

.hover-brightness {
  transition: filter var(--transition-fast);
}
.hover-brightness:hover {
  filter: brightness(1.1);
}

/* -------------------------------------------------------
   TRANSIÇÕES UTILITÁRIAS
   ------------------------------------------------------- */
.transition-all {
  transition: all var(--transition-normal);
}

.transition-colors {
  transition: color var(--transition-fast),
              background-color var(--transition-fast),
              border-color var(--transition-fast);
}

.transition-opacity {
  transition: opacity var(--transition-fast);
}

.transition-transform {
  transition: transform var(--transition-normal);
}

.transition-shadow {
  transition: box-shadow var(--transition-normal);
}

/* -------------------------------------------------------
   PREFERÊNCIA POR MOVIMENTO REDUZIDO
   ------------------------------------------------------- */
@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;
  }

  .animate-spin {
    animation: none !important;
  }

  .animate-pulse {
    animation: none !important;
  }

  .animate-float,
  .animate-float-slow {
    animation: none !important;
  }

  .hover-lift:hover {
    transform: none;
  }

  .hover-scale:hover {
    transform: none;
  }
}