#error-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-toast);
  padding: calc(var(--safe-top) + var(--sp-3)) var(--sp-4) var(--sp-3);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--fs-small);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-white);
  text-align: center;
  display: flex; align-items: center; justify-content: center; gap: var(--sp-2);
  transform: translateY(-100%);
  transition: transform var(--dur-base) var(--ease-decel);
  backdrop-filter: blur(10px);
  pointer-events: auto;
}

#error-banner.is-visible { transform: none; }
#error-banner[hidden] { display: none; }

#error-banner.kind-offline { background: rgba(184, 64, 169, 0.92); }
#error-banner.kind-slow    {
  background: rgba(240, 170, 100, 0.92);
  color: var(--text-on-bright);
}
#error-banner.kind-sync    { background: rgba(0, 181, 255, 0.92); color: var(--text-on-bright); }

#error-banner button {
  margin-left: var(--sp-2);
  padding: 4px 10px;
  border-radius: var(--r-pill);
  background: rgba(255,255,255,0.18);
  font-weight: 700;
  letter-spacing: 0.04em;
}

#toast-stack {
  position: fixed;
  bottom: calc(96px + var(--safe-bottom) + var(--sp-3));
  left: 0; right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  pointer-events: none;
  z-index: var(--z-toast);
  padding: 0 var(--sp-4);
}

.toast {
  pointer-events: auto;
  max-width: min(420px, 100%);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-pill);
  background: var(--surface-card-hi);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(14px);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--c-white);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  transform: translateY(20px);
  opacity: 0;
  animation: toast-in 280ms var(--ease-spring) forwards,
             toast-out 280ms var(--ease-accel) forwards 3000ms;
}

.toast.toast--error  { border-color: rgba(184, 64, 169, 0.55); }
.toast.toast--warn   { border-color: rgba(240, 170, 100, 0.55); }
.toast.toast--ok     { border-color: rgba(160, 200, 110, 0.55); }

.toast button {
  margin-left: var(--sp-2);
  padding: 2px 8px;
  border-radius: var(--r-pill);
  background: rgba(255,255,255,0.14);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

@keyframes toast-in {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: none; opacity: 1; }
}
@keyframes toast-out {
  from { transform: none; opacity: 1; }
  to   { transform: translateY(-8px); opacity: 0; }
}

.modal {
  position: fixed; inset: 0;
  background: var(--surface-overlay);
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-5);
  animation: modal-bg-in 200ms ease-out;
}

@keyframes modal-bg-in {
  from { background: rgba(0,0,0,0); }
  to   { background: var(--surface-overlay); }
}

.modal__card {
  width: 100%;
  max-width: 380px;
  background: var(--surface-card-hi);
  border: 1px solid var(--border-card-hi);
  border-radius: var(--r-card);
  padding: var(--sp-5);
  display: flex; flex-direction: column; gap: var(--sp-4);
  backdrop-filter: blur(18px);
  animation: modal-pop 280ms var(--ease-spring);
}

@keyframes modal-pop {
  from { transform: translateY(20px) scale(0.95); opacity: 0; }
  to   { transform: none; opacity: 1; }
}

.modal__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--c-white);
}
.modal__body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--text-secondary);
  line-height: 1.5;
}
.modal__actions {
  display: flex; gap: var(--sp-3);
  flex-wrap: wrap;
}
.modal__actions .btn { flex: 1; min-width: 120px; }

@media (prefers-reduced-motion: reduce) {
  .toast, .modal, .modal__card, #error-banner { animation: none !important; transition: none !important; }
}

.ptr-indicator {
  position: fixed;
  top: calc(var(--safe-top) + var(--sp-3));
  left: 50%;
  margin-left: -22px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--surface-card-hi);
  border: 1px solid var(--border-card-hi);
  backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
  opacity: 0;
  z-index: var(--z-toast);
  will-change: transform, opacity;
}

.ptr-glyph {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--c-cyan);
  display: inline-block;
  transform: translateX(1px);
}

.ptr-indicator.ptr-armed { box-shadow: 0 0 18px rgba(0, 181, 255, 0.4); }
.ptr-indicator.ptr-armed .ptr-glyph { color: var(--c-pink); }

.ptr-indicator.ptr-refreshing .ptr-glyph {
  animation: ptr-spin 700ms linear infinite;
}

@keyframes ptr-spin {
  from { transform: rotate(0deg) translateX(1px); }
  to   { transform: rotate(360deg) translateX(1px); }
}

@media (prefers-reduced-motion: reduce) {
  .ptr-indicator.ptr-refreshing .ptr-glyph { animation: none; }
}