/* ============================================================================
   Reusable glass modal — window.uiConfirm() / window.uiAlert()
   Dark-purple, glassy, semi-transparent. App-wide replacement for the native
   browser alert()/confirm(). Self-contained tokens so it looks identical on
   every page regardless of the host design system.
   ========================================================================== */
:root {
  --uim-primary: #585858;
  --uim-primary-2: #767676;
  --uim-danger: #a3371d;
  --uim-danger-2: #881b1c;
  --uim-text: var(--ink);
  --uim-muted: var(--ink-soft);
  --uim-surface: var(--glass-strong);
  --uim-border: var(--line-strong);
}

.uim-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--veil-strong);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.18s ease;
}
.uim-overlay.is-open { opacity: 1; }

.uim-dialog {
  width: 100%;
  max-width: 420px;
  background: var(--uim-surface);
  border: 1px solid var(--uim-border);
  border-radius: 18px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.16), 0 0 0 1px rgba(0, 0, 0, 0.06) inset;
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  color: var(--uim-text);
  padding: 26px 26px 22px;
  transform: translateY(10px) scale(0.98);
  opacity: 0;
  transition: transform 0.2s cubic-bezier(0.2, 0.9, 0.3, 1.2), opacity 0.2s ease;
}
.uim-overlay.is-open .uim-dialog { transform: translateY(0) scale(1); opacity: 1; }

.uim-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 14px;
  background: linear-gradient(135deg, var(--uim-primary) 0%, var(--uim-primary-2) 100%);
  color: var(--ink);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}
.uim-dialog.is-danger .uim-icon {
  background: linear-gradient(135deg, var(--uim-danger) 0%, var(--uim-danger-2) 100%);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.uim-title {
  font-size: 1.18rem;
  font-weight: 700;
  margin: 0 0 8px;
  line-height: 1.3;
}
.uim-message {
  font-size: 0.96rem;
  line-height: 1.55;
  color: var(--uim-muted);
  margin: 0 0 22px;
  white-space: pre-line;
}

.uim-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
.uim-btn {
  appearance: none;
  border: none;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 11px 20px;
  border-radius: 11px;
  transition: transform 0.12s ease, filter 0.12s ease, border-color 0.12s ease;
}
.uim-btn:active { transform: translateY(1px); }
.uim-btn:focus-visible { outline: 2px solid var(--uim-primary); outline-offset: 2px; }

.uim-btn-ghost {
  background: var(--glass-strong);
  color: var(--uim-text);
  border: 1px solid rgba(0, 0, 0, 0.12);
}
.uim-btn-ghost:hover { border-color: var(--uim-border); }

.uim-btn-primary {
  background: linear-gradient(135deg, var(--uim-primary) 0%, var(--uim-primary-2) 100%);
  color: var(--ink);
}
.uim-btn-primary:hover { filter: brightness(1.08); }

.uim-dialog.is-danger .uim-btn-primary {
  background: linear-gradient(135deg, var(--uim-danger) 0%, var(--uim-danger-2) 100%);
}