/* ══════════════════════════════════════════════════════════════
   Flash toasts — global stack for server flashes and window.csFlash()
   Dismissible via the close button; auto-expire after 10s (js/flash.js).
   ══════════════════════════════════════════════════════════════ */

.flash-container {
  position: fixed;
  top: calc(var(--cs-nav-height) + 12px);
  right: 16px;
  z-index: var(--cs-z-toast);
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 360px;
  pointer-events: none;
}

.flash {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--cs-radius-lg);
  background: var(--cs-glass-bg-deep);
  backdrop-filter: var(--cs-glass-blur);
  -webkit-backdrop-filter: var(--cs-glass-blur);
  border: 1px solid var(--cs-glass-border);
  border-left: 4px solid var(--cs-info);
  box-shadow: var(--cs-glass-shadow);
  font-size: var(--cs-text-sm);
  color: var(--cs-neutral-800);
  pointer-events: all;
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.flash--success { border-left-color: var(--cs-success); }
.flash--error   { border-left-color: var(--cs-error); }
.flash--warning { border-left-color: var(--cs-warning); }
.flash--info    { border-left-color: var(--cs-info); }

.flash__msg {
  flex: 1;
}

.flash__close {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: inherit;
  opacity: 0.55;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transition: opacity 0.15s ease, background 0.15s ease;
}

.flash__close:hover {
  opacity: 1;
  background: rgba(15, 23, 42, 0.06);
}

.flash__close:focus-visible {
  outline: 2px solid var(--cs-info);
  outline-offset: 1px;
  opacity: 1;
}

/* Exit state — js/flash.js removes the node once this transition ends. */
.flash--leaving {
  opacity: 0;
  transform: translateX(12px);
}

@media (prefers-reduced-motion: reduce) {
  .flash {
    transition: none;
  }
}