/* ─── ZOLT V2 — TRANSITIONS ─────────────────────────────────────────── */
/* Beginner: add/remove these classes. Never animate anything else.      */

/* ── Page enter/exit ── */
.page-enter {
  animation: pageIn 220ms cubic-bezier(0.32, 0.72, 0, 1) forwards;
}
.page-exit {
  animation: pageOut 120ms ease-in forwards;
}
@keyframes pageIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pageOut {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-6px); }
}

/* ── Fade in ── */
.fade-in {
  animation: fadeIn 200ms ease forwards;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Slide up (mobile sheet, modals) ── */
.slide-up-enter {
  animation: slideUpIn 380ms cubic-bezier(0.32, 0.72, 0, 1) forwards;
}
.slide-up-exit {
  animation: slideUpOut 260ms cubic-bezier(0.4, 0, 1, 1) forwards;
}
@keyframes slideUpIn {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
@keyframes slideUpOut {
  from { transform: translateY(0);    opacity: 1; }
  to   { transform: translateY(100%); opacity: 0; }
}

/* ── Scale pop (context menu, tooltips) ── */
.pop-in {
  animation: popIn 200ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
@keyframes popIn {
  from { transform: scale(0.88); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}

/* ── Staggered list items ── */
/* Apply .stagger-list to parent, .stagger-item to children */
.stagger-list .stagger-item {
  opacity: 0;
  transform: translateY(8px);
  animation: staggerIn 220ms cubic-bezier(0.32, 0.72, 0, 1) forwards;
}
.stagger-list .stagger-item:nth-child(1)  { animation-delay: 0ms; }
.stagger-list .stagger-item:nth-child(2)  { animation-delay: 30ms; }
.stagger-list .stagger-item:nth-child(3)  { animation-delay: 60ms; }
.stagger-list .stagger-item:nth-child(4)  { animation-delay: 90ms; }
.stagger-list .stagger-item:nth-child(5)  { animation-delay: 120ms; }
.stagger-list .stagger-item:nth-child(6)  { animation-delay: 150ms; }
.stagger-list .stagger-item:nth-child(7)  { animation-delay: 180ms; }
.stagger-list .stagger-item:nth-child(8)  { animation-delay: 210ms; }
.stagger-list .stagger-item:nth-child(9)  { animation-delay: 240ms; }
.stagger-list .stagger-item:nth-child(10) { animation-delay: 270ms; }
@keyframes staggerIn {
  to { opacity: 1; transform: translateY(0); }
}

/* ── Skeleton shimmer ── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-3) 25%,
    var(--bg-4) 50%,
    var(--bg-3) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite linear;
  border-radius: var(--r-sm);
}
@keyframes shimmer {
  to { background-position: -200% 0; }
}

/* ── Song card press ── */
.pressable {
  transition: transform 80ms ease-out;
  cursor: pointer;
}
.pressable:active { transform: scale(0.97); }

/* ── Like heart pop ── */
@keyframes heartPop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.35); }
  70%  { transform: scale(0.9); }
  100% { transform: scale(1); }
}
.heart-pop {
  animation: heartPop 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Spin (loading) ── */
.spin {
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Album art swap ── */
.art-out {
  animation: artOut 150ms ease-in forwards;
}
.art-in {
  animation: artIn 280ms cubic-bezier(0.32, 0.72, 0, 1) forwards;
}
@keyframes artOut {
  to { opacity: 0; transform: scale(0.92); }
}
@keyframes artIn {
  from { opacity: 0; transform: scale(1.04); }
  to   { opacity: 1; transform: scale(1); }
}

/* ── Play/Pause Icon Pop-In ── */
.icon-pop-in {
  animation: iconPopIn 150ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  transform-origin: center;
}
@keyframes iconPopIn {
  from { transform: scale(0.75) rotate(-15deg); opacity: 0; }
  to   { transform: scale(1) rotate(0deg); opacity: 1; }
}   

/* ── Expand-on-Hover Layout Utility ── */
.expand-hover-wrapper {
  position: relative;
  height: var(--eh-initial-h, 38px);
}

.expand-hover-menu {
  position: absolute;
  top: 0;
  right: 0;
  width: var(--eh-initial-w, 100%);
  height: var(--eh-initial-h, 38px);
  background: var(--eh-bg, rgba(255, 255, 255, 0.03));
  border: 1px solid var(--eh-border, rgba(255, 255, 255, 0.05));
  border-radius: var(--eh-radius, var(--r-md));
  box-sizing: border-box;
  overflow: hidden;
  z-index: var(--eh-z, 1010);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  padding: 0;
  cursor: pointer;
}

.expand-hover-menu:hover {
  background: var(--eh-bg-hover, rgba(255, 255, 255, 0.08));
  border-color: var(--eh-border-hover, rgba(255, 255, 255, 0.15));
}

.expand-hover-header {
  height: var(--eh-header-h, 36px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-2);
  user-select: none;
  width: 100%;
  transition: all 0.25s ease;
  box-sizing: border-box;
  padding: var(--sp-4) var(--sp-2);
  white-space: nowrap;
  position: relative;
}

.expand-hover-content {
  opacity: 0;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s ease;
  transform: translateY(5px);
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-sizing: border-box;
  padding: 0 12px 12px 12px;
}

/* Hover expansion */
.expand-hover-wrapper:hover .expand-hover-menu {
  top: var(--eh-expanded-top, -8px);
  right: var(--eh-expanded-right, -8px);
  width: var(--eh-expanded-w, 220px);
  height: var(--eh-expanded-h, 165px);
  background: var(--eh-expanded-bg, rgba(22, 22, 22, 0.95));
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border: 1px solid var(--eh-expanded-border, rgba(255, 255, 255, 0.15));
  border-radius: var(--eh-expanded-radius, 14px);
  box-shadow: var(--eh-expanded-shadow, 0 16px 40px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05));
  cursor: default;
}

.expand-hover-wrapper:hover .expand-hover-header {
  justify-content: flex-start;
  height: var(--eh-header-h-hover, 30px);
  color: var(--text-1) !important;
  font-weight: 700;
  padding: 8px 12px 0 12px;
}

.expand-hover-wrapper:hover .expand-hover-content {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}