/* ============================================================
   Sekai — animations.css
   Keyframes и переходы.
============================================================ */

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

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

.view-in {
  animation: viewIn 380ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.94); }
  to   { opacity: 1; transform: scale(1); }
}

/* ===== Модалки ===== */
@keyframes modalPop {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ===== Тосты ===== */
@keyframes toastIn {
  from { opacity: 0; transform: translateX(30px) scale(0.96); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes toastOut {
  to { opacity: 0; transform: translateX(30px) scale(0.96); }
}

/* ===== Пульсация ===== */
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.85); }
}

.dot-pulse {
  animation: pulseDot 2s ease-in-out infinite;
}

/* ===== Skeleton ===== */
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.03) 0%,
    rgba(255, 255, 255, 0.08) 50%,
    rgba(255, 255, 255, 0.03) 100%
  );
  background-size: 400px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: var(--r-sm);
}

/* ===== Спиннер ===== */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.10);
  border-top-color: rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm { width: 14px; height: 14px; border-width: 1.5px; }
.spinner-lg { width: 28px; height: 28px; border-width: 3px; }

/* ===== Success ===== */
@keyframes successPop {
  0%   { opacity: 0; transform: scale(0.5); }
  60%  { opacity: 1; transform: scale(1.08); }
  100% { transform: scale(1); }
}

.success-pop { animation: successPop 400ms cubic-bezier(0.22, 1, 0.36, 1); }

/* ===== Чернила (фон) ===== */
@keyframes inkFloat {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(-1.5%, 1%) scale(1.06); }
  100% { transform: translate(1.5%, -1%) scale(1.02); }
}

/* ===== Shake ===== */
@keyframes shake {
  10%, 90% { transform: translateX(-2px); }
  20%, 80% { transform: translateX(4px); }
  30%, 50%, 70% { transform: translateX(-6px); }
  40%, 60% { transform: translateX(6px); }
}

.shake { animation: shake 380ms cubic-bezier(0.36, 0.07, 0.19, 0.97); }

/* ===== Log line ===== */
@keyframes logLineIn {
  from { opacity: 0; transform: translateX(-6px); }
  to   { opacity: 1; transform: translateX(0); }
}

.log-line-new { animation: logLineIn 200ms ease both; }

/* ===== Stagger ===== */
.stagger > * {
  animation: slideUp 400ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.stagger > *:nth-child(1) { animation-delay: 0ms; }
.stagger > *:nth-child(2) { animation-delay: 50ms; }
.stagger > *:nth-child(3) { animation-delay: 100ms; }
.stagger > *:nth-child(4) { animation-delay: 150ms; }
.stagger > *:nth-child(5) { animation-delay: 200ms; }

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