.app-dialog-root {
  position: fixed;
  inset: 0;
  z-index: 100000;
  pointer-events: none;
  font-family: var(--app-font-body, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif);
}

.app-dialog-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  pointer-events: auto;
}

.app-dialog-panel {
  width: min(440px, 100%);
  max-height: min(640px, calc(100vh - 48px));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--app-border, var(--border-color, rgba(148, 163, 184, 0.28)));
  border-radius: 18px;
  background: var(--app-surface, var(--card-bg-solid, #fff));
  color: var(--app-text, var(--text-color, #111827));
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.26);
}

.app-dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 20px 10px;
}

.app-dialog-title {
  margin: 0;
  font-size: 17px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--app-text, var(--text-color, #111827));
}

.app-dialog-close {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--app-muted, var(--text-sub, #64748b));
  cursor: pointer;
}

.app-dialog-close:hover {
  background: color-mix(in srgb, var(--app-border, var(--border-color, #e5e7eb)) 42%, transparent);
}

.app-dialog-body {
  padding: 0 20px 18px;
  overflow: auto;
}

.app-dialog-message {
  margin: 0;
  color: var(--app-muted, var(--text-sub, #4b5563));
  font-size: 14px;
  line-height: 1.7;
  white-space: pre-line;
}

.app-dialog-input {
  width: 100%;
  height: 42px;
  margin-top: 14px;
  padding: 0 12px;
  border: 1px solid var(--app-border, var(--border-color, #d1d5db));
  border-radius: 12px;
  background: var(--app-bg, var(--bg-color, #f8fafc));
  color: var(--app-text, var(--text-color, #111827));
  font: inherit;
  outline: none;
}

.app-dialog-input:focus {
  border-color: var(--app-primary, var(--primary, #2563eb));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--app-primary, var(--primary, #2563eb)) 18%, transparent);
}

.app-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px 20px;
}

.app-dialog-button {
  min-width: 78px;
  height: 38px;
  padding: 0 16px;
  border: 1px solid var(--app-border, var(--border-color, #d1d5db));
  border-radius: 999px;
  background: var(--app-surface-2, var(--card-bg, #f8fafc));
  color: var(--app-text, var(--text-color, #111827));
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.app-dialog-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.1);
}

.app-dialog-button[data-role="primary"] {
  border-color: var(--app-primary, var(--primary, #2563eb));
  background: var(--app-primary, var(--primary, #2563eb));
  color: var(--app-primary-contrast, #fff);
}

.app-dialog-button[data-variant="danger"] {
  border-color: var(--danger, #dc2626);
  background: var(--danger, #dc2626);
  color: #fff;
}

.app-dialog-toast-stack {
  position: fixed;
  top: max(16px, env(safe-area-inset-top));
  left: 50%;
  z-index: 100001;
  display: flex;
  width: min(420px, calc(100vw - 28px));
  flex-direction: column;
  gap: 10px;
  transform: translateX(-50%);
  pointer-events: none;
}

.app-dialog-toast {
  padding: 11px 14px;
  border: 1px solid var(--app-border, var(--border-color, rgba(148, 163, 184, 0.28)));
  border-radius: 14px;
  background: var(--app-surface, var(--card-bg-solid, #fff));
  color: var(--app-text, var(--text-color, #111827));
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.16);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
  text-align: center;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 140ms ease, transform 140ms ease;
}

.app-dialog-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.app-dialog-toast[data-type="error"] {
  border-color: color-mix(in srgb, var(--danger, #dc2626) 34%, transparent);
  color: var(--danger, #dc2626);
}

.app-dialog-toast[data-type="success"] {
  border-color: color-mix(in srgb, var(--success, #16a34a) 34%, transparent);
  color: var(--success, #16a34a);
}

html[data-theme="dark"] .app-dialog-panel,
[data-theme="dark"] .app-dialog-panel,
body.dark-mode .app-dialog-panel,
html[data-theme="dark"] .app-dialog-toast,
[data-theme="dark"] .app-dialog-toast,
body.dark-mode .app-dialog-toast {
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.52);
}

@media (max-width: 640px) {
  .app-dialog-overlay {
    align-items: flex-end;
    padding: 12px;
  }

  .app-dialog-panel {
    width: 100%;
    max-height: calc(100vh - 24px);
    border-radius: 18px;
  }

  .app-dialog-actions {
    flex-direction: column-reverse;
  }

  .app-dialog-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-dialog-button:hover {
    transform: none;
  }

  .app-dialog-toast {
    transition: none;
  }
}