/* === New Agent Dialog === */
.agent-dialog-overlay {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--bg) 60%, transparent);
  backdrop-filter: blur(var(--space-xs));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: calc(var(--space-lg) + var(--space-xs));
}

.agent-dialog {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: calc(var(--space-xl) * 21 + var(--space-md));
  /* Use dvh so iOS Safari's collapsing URL bar doesn't push the footer
     under the address bar. The vh fallback keeps older browsers working. */
  max-height: calc(100vh - (var(--space-xl) + var(--space-lg)));
  max-height: calc(100dvh - (var(--space-xl) + var(--space-lg)));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.agent-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) calc(var(--space-lg) + var(--space-xs));
  border-bottom: 1px solid var(--border);
}

.agent-dialog-header-title {
  font-weight: 600;
  font-size: calc(var(--space-md) + var(--space-xs) * 0.75);
}

.agent-dialog-body {
  flex: 1;
  overflow-y: auto;
  padding: calc(var(--space-lg) + var(--space-xs));
}

.agent-dialog-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-lg) calc(var(--space-lg) + var(--space-xs));
  border-top: 1px solid var(--border);
}

.agent-dialog-steps {
  display: flex;
  gap: calc(var(--space-sm) - var(--space-xs) * 0.5);
  padding: var(--space-md) calc(var(--space-lg) + var(--space-xs));
  justify-content: center;
}

.agent-dialog-step {
  width: calc(var(--space-2xl) + var(--space-sm));
  height: var(--space-xs);
  border-radius: calc(var(--space-xs) * 0.5);
  background: var(--border);
  transition: background var(--transition-fast);
}

.agent-dialog-step.active {
  background: var(--todo);
}

.agent-dialog-step.completed {
  background: var(--color-success);
}

.agent-dialog-field {
  margin-bottom: var(--space-lg);
}

.agent-dialog-field label {
  display: block;
  font-size: calc(var(--space-md) + var(--space-xs) * 0.25);
  font-weight: 500;
  margin-bottom: calc(var(--space-sm) - var(--space-xs) * 0.5);
}

.agent-dialog-field .input,
.agent-dialog-field .select {
  width: 100%;
  box-sizing: border-box;
}

.agent-dialog-field--title .input {
  font-size: calc(var(--space-md) + var(--space-xs) * 0.25);
  line-height: var(--space-lg);
}

.agent-dialog-section {
  margin-bottom: var(--space-lg);
}

.agent-dialog-section-header {
  font-size: calc(var(--space-sm) + var(--space-xs));
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--border);
}

.agent-dialog-step-zero-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-sm);
}

.agent-dialog-interview-btn {
  font-weight: 600;
}

.agent-dialog-interview-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.agent-dialog-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.agent-dialog-tab {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  color: var(--text-muted);
  padding: var(--space-sm) var(--space-md);
  font-size: calc(var(--space-sm) + var(--space-xs));
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.agent-dialog-tab:hover {
  border-color: var(--todo);
  color: var(--text);
  background: var(--card-hover);
}

.agent-dialog-tab:focus-visible {
  outline: none;
  border-color: var(--todo);
  box-shadow: var(--focus-ring-strong);
}

.agent-dialog-tab.active {
  border-color: var(--todo);
  color: var(--text);
  background: color-mix(in srgb, var(--todo) 12%, transparent);
}

.agent-dialog-tab-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.agent-runtime-mode-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
}

.agent-runtime-mode-option {
  position: relative;
  margin: 0;
}

.agent-runtime-mode-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.agent-runtime-mode-option span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(var(--space-xl) + var(--space-lg));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  color: var(--text-muted);
  font-size: calc(var(--space-sm) + var(--space-xs));
  font-weight: 600;
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.agent-runtime-mode-option span:hover {
  border-color: var(--todo);
  color: var(--text);
  background: var(--card-hover);
}

.agent-runtime-mode-option input:focus-visible + span {
  outline: none;
  border-color: var(--todo);
  box-shadow: var(--focus-ring-strong);
}

.agent-runtime-mode-option--active span {
  border-color: var(--todo);
  color: var(--text);
  background: color-mix(in srgb, var(--todo) 12%, transparent);
}

.agent-role-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(calc(var(--space-xl) * 3 + var(--space-sm)), 1fr));
  gap: var(--space-sm);
}

.agent-role-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-md) var(--space-sm);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  font-family: var(--font-primary);
  color: var(--text);
}

.agent-role-option:hover {
  border-color: var(--text-muted);
  background: var(--card-hover);
}

.agent-role-option:focus-visible {
  outline: none;
  border-color: var(--todo);
  box-shadow: var(--focus-ring-strong);
}

.agent-role-option.selected {
  border-color: var(--todo);
  background: color-mix(in srgb, var(--todo) 12%, transparent);
  box-shadow: var(--focus-ring);
}

.agent-role-option-icon {
  font-size: calc(var(--space-lg) + var(--space-xs));
  line-height: 1;
}

.agent-role-option-label {
  font-size: calc(var(--space-sm) + var(--space-xs));
  margin-top: var(--space-xs);
}

/* AI-assisted generation section */
.agent-dialog-icon-prefix {
  margin-right: calc(var(--space-sm) - var(--space-xs) * 0.5);
}

.agent-dialog-ai-generate {
  margin-top: var(--space-sm);
  border-top: 1px solid var(--border);
  padding-top: var(--space-md);
}

.btn--ai-generate {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--space-sm) - var(--space-xs) * 0.5);
  background: var(--cta-bg, var(--todo));
  color: var(--cta-text, var(--text));
  font-weight: 600;
  border: 1px solid transparent;
}

.btn--ai-generate:hover {
  opacity: 0.9;
  filter: brightness(1.1);
}

.agent-dialog-ai-hint {
  color: var(--text-muted);
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
  text-align: center;
  margin: calc(var(--space-sm) - var(--space-xs) * 0.5) 0 0;
}

.agent-dialog-summary {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.agent-dialog-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
}

.agent-dialog-summary-row:last-child {
  border-bottom: none;
}

.agent-dialog-summary-row-label {
  color: var(--text-muted);
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
}

.agent-dialog-summary-row-label--fixed {
  flex: 0 0 calc(var(--space-xl) * 4 - var(--space-xs) * 1.5);
}

.agent-dialog-summary-row-value {
  font-weight: 600;
}

.agent-dialog-summary-row-value--body {
  font-weight: 400;
}

.agent-dialog-summary--spaced {
  margin-bottom: var(--space-md);
}

.agent-dialog-summary-row-value--muted {
  font-style: italic;
  color: var(--text-muted);
}

.agent-dialog-summary-row-value--capitalize {
  text-transform: capitalize;
}

.agent-dialog-summary-row--editable {
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-xs);
}

.agent-dialog-summary-row--editable .agent-dialog-summary-row-label {
  margin-bottom: 0;
}

.agent-dialog-summary-row--title .input {
  font-size: calc(var(--space-md) + var(--space-xs) * 0.25);
  line-height: var(--space-lg);
}

/* Agent preset quick-start cards */
.agent-presets {
  margin-bottom: var(--space-lg);
}

.agent-presets-header {
  font-size: calc(var(--space-md) + var(--space-xs) * 0.5);
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.agent-presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(calc(var(--space-xl) * 5 + var(--space-lg) + var(--space-xs)), 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  max-height: calc(var(--space-xl) * 16 + var(--space-lg));
  overflow-y: auto;
}

.agent-preset-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  background: var(--bg-secondary);
  font-family: var(--font-primary);
  color: var(--text);
}

.agent-preset-card:hover {
  border-color: var(--todo);
  background: var(--bg-tertiary);
}

.agent-preset-card:focus-visible {
  outline: none;
  border-color: var(--todo);
  box-shadow: var(--focus-ring-strong);
}

.agent-preset-card.selected {
  border-color: var(--todo);
  background: color-mix(in srgb, var(--todo) 12%, transparent);
}

.agent-preset-icon {
  font-size: var(--space-xl);
  margin-bottom: var(--space-xs);
}

.agent-preset-name {
  font-size: calc(var(--space-md) + var(--space-xs) * 0.25);
  font-weight: 500;
  text-align: center;
  margin-bottom: var(--space-xs);
}

.agent-preset-role {
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
  color: var(--text-muted);
  text-transform: capitalize;
}

.agent-preset-description {
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
  color: var(--text-muted);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: calc(var(--space-xs) * 0.5);
}


.agent-dialog-header-sparkle {
  margin-right: var(--space-sm);
}

.agent-dialog-error-banner {
  color: var(--color-error);
  font-size: calc(var(--space-md) + var(--space-xs) * 0.25);
  padding: var(--space-sm) var(--space-md);
  background: color-mix(in srgb, var(--color-error) 10%, transparent);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.agent-dialog-textarea {
  resize: vertical;
}

.agent-dialog-hint {
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
  color: var(--text-muted);
  margin-top: var(--space-xs);
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
}

.agent-dialog-loading-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-2xl) var(--space-lg);
  gap: var(--space-md);
}

.agent-dialog-spinner {
  width: var(--space-2xl);
  height: var(--space-2xl);
  border: calc(var(--space-xs) * 0.75) solid var(--border);
  border-top-color: var(--todo);
  border-radius: 50%;
}

.agent-dialog-loading-text {
  color: var(--text-muted);
  font-size: calc(var(--space-md) + var(--space-xs) * 0.25);
  margin: 0;
}

.agent-dialog-expand-btn {
  background: none;
  border: none;
  color: var(--todo);
  cursor: pointer;
  font-size: calc(var(--space-sm) + var(--space-xs));
  margin-left: var(--space-sm);
  padding: 0;
}

.agent-dialog-expand-btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-strong);
  border-radius: var(--radius-sm);
}

.agent-generation-prompt-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  font-size: calc(var(--space-sm) + var(--space-xs));
  font-family: var(--font-mono);
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  overflow: auto;
  position: relative;
}

.agent-generation-prompt-box--collapsed {
  max-height: calc(var(--space-xl) * 6 + var(--space-sm) + var(--space-xs) * 0.5);
  overflow: hidden;
}

.agent-generation-prompt-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--space-lg) + var(--space-xl));
  background: linear-gradient(transparent, var(--bg-secondary));
  pointer-events: none;
}

.agent-dialog-required {
  color: var(--color-error);
}

.agent-dialog-optional {
  color: var(--text-muted);
  font-weight: 400;
}

.agent-dialog-error {
  color: var(--color-error);
  font-size: calc(var(--space-md) + var(--space-xs) * 0.25);
  margin-top: var(--space-md);
}

.agent-dialog-info {
  color: var(--text-muted);
  font-size: calc(var(--space-md) + var(--space-xs) * 0.25);
  margin-top: 0;
  margin-bottom: var(--space-md);
}

.agent-dialog-loading {
  color: var(--text-muted);
  font-size: calc(var(--space-md) + var(--space-xs) * 0.25);
  padding: var(--space-sm) 0;
}

.agent-dialog-field-hint {
  margin-top: var(--space-xs);
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
}

/* === Mobile: fullscreen + scroll === */
@media (max-width: 768px) {
  /* Drop the overlay padding so the dialog can fill the viewport edge-to-edge.
     The desktop padding (20px on all sides) + max-height clamp left ~40px of
     unusable gutter on phones and pushed the body content off-screen on
     small devices when the URL bar was visible. */
  .agent-dialog-overlay {
    padding: 0;
    align-items: stretch;
    justify-content: stretch;
  }

  .agent-dialog {
    width: 100vw;
    max-width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
  }

  /* Tighter chrome leaves more room for the scrollable body. The header
     adds env(safe-area-inset-top) so the iOS notch / status bar doesn't
     hide the title and close button. The footer mirrors that with
     safe-area-inset-bottom so the home indicator doesn't sit on top of
     the action buttons. */
  .agent-dialog-header {
    padding: calc(var(--space-md) + env(safe-area-inset-top)) var(--space-md)
      var(--space-md);
  }

  .agent-dialog-footer {
    padding: var(--space-md) var(--space-md)
      calc(var(--space-md) + env(safe-area-inset-bottom));
  }

  .agent-dialog-steps {
    padding: var(--space-sm) var(--space-md);
    /* Allow the step rail to scroll horizontally on very narrow phones
       instead of overflowing the dialog. */
    overflow-x: auto;
    flex-wrap: nowrap;
    flex-shrink: 0;
  }

  /* Header/footer must not shrink — only the body should give up height
     to keep the chrome fixed and the body scrollable. */
  .agent-dialog-header,
  .agent-dialog-footer {
    flex-shrink: 0;
  }

  .agent-dialog-body {
    padding: var(--space-md);
    /* `min-height: 0` is required for `overflow-y: auto` to take effect
       on a flex child — without it the body's intrinsic height grows to
       its content, the dialog bleeds past the viewport, and scroll never
       activates. This is the classic flex `min-height: auto` gotcha. */
    flex: 1 1 auto;
    min-height: 0;
    /* Lock the scroll inside the body so iOS doesn't bubble it up to the
       page and trap the user above the footer. */
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .agent-dialog-summary-row--editable .input {
    min-height: calc(var(--space-lg) + var(--space-xl));
  }

  /* Stack the footer buttons full-width — primary on top, cancel below.
     On phones the side-by-side layout truncates labels and pushes Cancel
     off-screen when the dialog edge meets the safe-area inset. */
  .agent-dialog-footer {
    flex-wrap: wrap;
    gap: var(--space-xs);
  }

  .agent-dialog-footer > .btn {
    flex: 1 1 auto;
    min-width: 0;
  }

  .agent-dialog-step-zero-actions {
    justify-content: stretch;
  }

  .agent-dialog-interview-btn {
    width: 100%;
  }

  .agent-presets-grid {
    max-height: none;
    overflow-y: visible;
  }
}