/* ── KEYFRAMES ──────────────────────────────────────────────────*/
@keyframes spin { to { transform:rotate(360deg); } }
@keyframes pulse-glow { 0%,100% { transform:scale(1); opacity:0.5; } 50% { transform:scale(1.1); opacity:1; } }
@keyframes shimmer { 0% { background-position:-1000px 0; } 100% { background-position:1000px 0; } }
@keyframes fadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }
@keyframes slideInRight { from { transform:translateX(100%); opacity:0; } to { transform:translateX(0); opacity:1; } }
@keyframes slideOutRight { from { transform:translateX(0); opacity:1; } to { transform:translateX(100%); opacity:0; } }
@keyframes float { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-6px); } }

/* ── SKELETON LOADING ───────────────────────────────────────────*/
.skeleton { background:linear-gradient(90deg, var(--bg-elevated) 0%, var(--border-bright) 50%, var(--bg-elevated) 100%);
  background-size:1000px 100%; animation:shimmer 1.5s infinite; border-radius:var(--radius-sm); }
.skeleton-text { height:14px; border-radius:4px; margin-bottom:8px; }
.skeleton-text.wide { width:80%; }
.skeleton-text.medium { width:55%; }
.skeleton-text.narrow { width:30%; }
.skeleton-title { height:22px; width:60%; border-radius:4px; margin-bottom:12px; }
.skeleton-card { height:120px; border-radius:var(--radius-lg); }
.skeleton-row { height:50px; border-radius:4px; margin-bottom:4px; }
.skeleton-avatar { width:32px; height:32px; border-radius:50%; flex-shrink:0; }
.skeleton-stat { display:flex; flex-direction:column; gap:10px; padding:24px;
  background:var(--bg-surface); border:1px solid var(--border); border-radius:var(--radius-lg); }

/* ── FADE IN ────────────────────────────────────────────────────*/
.fade-in { animation:fadeIn 300ms ease forwards; }
.stagger-1 { animation-delay:50ms; opacity:0; }
.stagger-2 { animation-delay:100ms; opacity:0; }
.stagger-3 { animation-delay:150ms; opacity:0; }
.stagger-4 { animation-delay:200ms; opacity:0; }

/* ── SPINNER ────────────────────────────────────────────────────*/
.spinner { width:20px; height:20px; border:2px solid var(--border-bright);
  border-top-color:var(--accent-green); border-radius:50%; animation:spin 0.7s linear infinite; }
.spinner-lg { width:36px; height:36px; border-width:3px; }

/* ── TOAST NOTIFICATIONS ────────────────────────────────────────*/
#toast-container { position:fixed; bottom:24px; right:24px; display:flex;
  flex-direction:column; gap:10px; z-index:9999; pointer-events:none; }
.toast { display:flex; align-items:center; gap:12px; padding:14px 18px;
  background:var(--bg-elevated); border:1px solid var(--border-bright); border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg); min-width:280px; max-width:380px; pointer-events:all;
  animation:slideInRight 300ms ease; }
.toast.hiding { animation:slideOutRight 300ms ease forwards; }
.toast svg { width:18px; height:18px; flex-shrink:0; }
.toast-content { flex:1; font-size:0.875rem; line-height:1.4; }
.toast-title { font-weight:600; margin-bottom:2px; }
.toast.success { border-left:3px solid var(--accent-green); }
.toast.success svg { color:var(--accent-green); }
.toast.error { border-left:3px solid var(--danger); }
.toast.error svg { color:var(--danger); }
.toast.info { border-left:3px solid var(--info); }
.toast.info svg { color:var(--info); }
.toast.warning { border-left:3px solid var(--warning); }
.toast.warning svg { color:var(--warning); }

/* ── PAYMENT STATUS MODAL ───────────────────────────────────────*/
.payment-status { display:flex; flex-direction:column; align-items:center; gap:12px;
  padding:24px; text-align:center; }
.payment-status .payment-icon { width:64px; height:64px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; }
.payment-status .payment-icon.pending { background:var(--warning-dim); color:var(--warning); }
.payment-status .payment-icon.success { background:var(--accent-green-dim); color:var(--accent-green); }
.payment-status .payment-icon.failed { background:var(--danger-dim); color:var(--danger); }
.payment-status .payment-icon svg { width:32px; height:32px; }
.payment-status h3 { font-family:var(--font-display); font-size:1.2rem; font-weight:700; }
.payment-status p { color:var(--text-muted); font-size:0.9rem; max-width:280px; }

/* ── PRICE CALCULATOR ───────────────────────────────────────────*/
.price-display { background:var(--bg-elevated); border:1px solid var(--accent-green);
  border-radius:var(--radius-md); padding:16px; display:flex; align-items:center; justify-content:space-between; }
.price-display .price-label { font-size:0.85rem; color:var(--text-muted); }
.price-display .price-value { font-family:var(--font-display); font-size:1.4rem; font-weight:800; color:var(--accent-green); }

/* ── PROGRESS BAR ───────────────────────────────────────────────*/
.progress-bar { height:6px; background:var(--bg-elevated); border-radius:999px; overflow:hidden; }
.progress-fill { height:100%; background:var(--accent-green); border-radius:999px; transition:width 500ms ease; }

/* ── REDUCED MOTION ─────────────────────────────────────────────*/
@media (prefers-reduced-motion:reduce) {
  *, *::before, *::after { animation-duration:0.01ms !important; transition-duration:0.01ms !important; }
}
.spin { animation: spin 1s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }