/* ============================================================
   FixCRM — Animations & Transitions
   Все анимации в одном месте для консистентности
   ============================================================ */

/* --- Keyframes --- */

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

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

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

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

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

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

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

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

@keyframes bounceIn {
  0%   { opacity: 0; transform: scale(0.3); }
  50%  { opacity: 1; transform: scale(1.05); }
  70%  { transform: scale(0.9); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%  { transform: translateX(-6px); }
  40%  { transform: translateX(6px); }
  60%  { transform: translateX(-4px); }
  80%  { transform: translateX(4px); }
}

/* --- Animation Classes --- */

.animate-fade-in    { animation: fadeIn     200ms ease forwards; }
.animate-fade-out   { animation: fadeOut    200ms ease forwards; }
.animate-slide-up   { animation: slideUp    250ms ease forwards; }
.animate-slide-down { animation: slideDown  250ms ease forwards; }
.animate-scale-in   { animation: scaleIn    200ms ease forwards; }
.animate-spin       { animation: spin       800ms linear infinite; }
.animate-pulse      { animation: pulse      1.5s  ease infinite; }
.animate-shake      { animation: shake      400ms ease; }
.animate-bounce-in  { animation: bounceIn   400ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }

/* --- Skeleton Loader --- */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-100) 25%,
    var(--color-gray-50)  50%,
    var(--color-gray-100) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text   { height: 14px; margin-bottom: 8px; }
.skeleton-title  { height: 20px; margin-bottom: 12px; width: 60%; }
.skeleton-avatar { width: 40px; height: 40px; border-radius: 50%; }
.skeleton-card   { height: 120px; }
.skeleton-row    { height: 48px; margin-bottom: 4px; }

/* --- Modal --- */

.modal-backdrop {
  animation: fadeIn 200ms ease forwards;
}

.modal-backdrop.closing {
  animation: fadeOut 200ms ease forwards;
}

.modal-panel {
  animation: slideUp 250ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.modal-panel.closing {
  animation: fadeOut 200ms ease forwards;
}

/* --- Toast Notifications --- */

.toast {
  animation: slideInRight 300ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.toast.removing {
  animation: slideOutRight 250ms ease forwards;
}

/* --- Sidebar --- */

.sidebar {
  transition: width var(--transition-slow);
}

.sidebar-link {
  transition: background var(--transition-fast), color var(--transition-fast),
              padding var(--transition-base);
}

/* --- Cards Hover --- */

.card-hover {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* --- Buttons --- */

.btn {
  transition: background var(--transition-fast), color var(--transition-fast),
              transform var(--transition-fast), box-shadow var(--transition-fast),
              opacity var(--transition-fast);
}

.btn:active {
  transform: scale(0.98);
}

/* --- Form Inputs --- */

.form-input {
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  box-shadow: 0 0 0 3px var(--color-primary-muted);
}

/* --- Status Badge Transitions --- */

.status-badge {
  transition: background var(--transition-base), color var(--transition-base);
}

/* --- Dropdown --- */

.dropdown-menu {
  animation: slideDown 200ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  transform-origin: top;
}

/* --- Stagger Children (for list rendering) --- */

.stagger-children > * {
  animation: slideUp 250ms ease forwards;
  opacity: 0;
}

.stagger-children > *:nth-child(1)  { animation-delay:  0ms; }
.stagger-children > *:nth-child(2)  { animation-delay: 40ms; }
.stagger-children > *:nth-child(3)  { animation-delay: 80ms; }
.stagger-children > *:nth-child(4)  { animation-delay:120ms; }
.stagger-children > *:nth-child(5)  { animation-delay:160ms; }
.stagger-children > *:nth-child(6)  { animation-delay:200ms; }
.stagger-children > *:nth-child(n+7){ animation-delay:240ms; }

/* --- Number Counter Animation --- */
.count-up {
  display: inline-block;
  transition: transform 400ms ease;
}

/* --- Page Transition --- */
.page-enter {
  animation: pageEnter 220ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

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

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