/*
 * Modal dialogs — overlay backdrop + card layout used by
 * AddTokenDialog, EditTokenDialog, and ConfirmDialog.
 * All visual values reference the design tokens (tokens.css).
 */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: rgba(26, 26, 26, 0.40);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  animation: modal-overlay-in var(--motion-fast) var(--easing-out);
}

@keyframes modal-overlay-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-5) var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  animation: modal-in var(--motion-normal) var(--easing-out);
}

.modal--small {
  max-width: 440px;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0)   scale(1); }
}

.modal__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
  margin: 0;
}

.modal__body {
  color: var(--color-muted);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  margin: 0;
}

.modal__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

/* ---- Tabs (Add-token "Paste URI" / "Manual") ---- */
.tabs {
  display: inline-flex;
  gap: var(--space-1);
  padding: 4px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  align-self: flex-start;
}

.tab {
  padding: 10px var(--space-4);
  min-height: 40px;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-muted);
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--motion-fast) var(--easing-out),
              color var(--motion-fast) var(--easing-out);
}
.tab:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}
.tab:hover { color: var(--color-fg); }
.tab--active {
  background: var(--color-surface);
  color: var(--color-fg);
  box-shadow: var(--shadow-sm);
}

/* ---- Form fields (shared with auth forms; only additions here) ---- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}
.form-field--wide {
  grid-column: 1 / -1;
}

/* Narrow viewports — the two-column grid cramps Algorithm + Digits
   dropdowns below ~480px. Stack one column; labels stay readable. */
@media (max-width: 560px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .modal {
    padding: var(--space-4);
  }
  .modal__actions {
    flex-direction: column-reverse;
    align-items: stretch;
    gap: var(--space-2);
  }
  .modal__actions .btn {
    width: 100%;
  }
}

.form-hint {
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  margin: 0;
}
.form-hint code {
  background: var(--color-surface-2);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

/* Select + textarea — reuse the look of `.form-field input` defined
 * in auth.css, extended to cover the two element types we only need
 * inside dialogs. `input[type=number]` inherits via the `input` rule
 * already in auth.css. */
.form-field select,
.form-field textarea {
  padding: var(--space-3) var(--space-4);
  font: inherit;
  font-size: var(--text-base);
  color: var(--color-fg);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--motion-fast) var(--easing-out);
  resize: vertical;
}
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(139, 90, 60, 0.15);
}