:root {
  --bg: #f8f9fb;
  --surface: #ffffff;
  --text: #1a1d23;
  --muted: #6b7280;
  --line: #e5e7eb;
  --line-strong: #b8c0cc;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: #eef2ff;
  --error: #c2410c;
  --shadow: 0 24px 70px rgba(18, 25, 38, 0.08);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
  --radius: 12px;
  --radius-lg: 16px;
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.006em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  margin: 0;
  font-size: 14px;
  font-weight: 400;
}

body.modal-open {
  overflow: hidden;
}

a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.22);
  outline-offset: 3px;
}

.auth-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 520px);
  min-height: 100vh;
  padding: 28px;
}

.product-panel,
.form-panel {
  min-width: 0;
}

.product-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 48px;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 8px 0 0 8px;
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.08), transparent 36%),
    var(--surface);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
}

.brand:hover {
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  color: var(--surface);
  font-weight: 700;
  font-size: 15px;
}

.product-copy {
  max-width: 560px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  color: var(--text);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.lead {
  max-width: 520px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.9;
}

.feature-list {
  display: grid;
  gap: 12px;
  max-width: 520px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 14px;
  font-weight: 400;
}

.feature-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
}

.form-panel {
  display: grid;
  place-items: center;
  padding: 36px;
  border: 1px solid var(--line);
  border-left: 0;
  border-radius: 0 8px 8px 0;
  background: #fbfcfe;
}

.form-card {
  width: 100%;
  max-width: 390px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.form-header {
  margin-bottom: 28px;
}

.form-header p:not(.eyebrow) {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.75;
}

.auth-form {
  display: grid;
  gap: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-hint {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
}

label,
.label-row {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
}

.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.label-row a {
  flex: 0 0 auto;
  font-size: 14px;
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="file"],
input[type="url"],
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 400;
  padding: 0 14px;
  transition: all var(--transition);
}

input[type="email"]:focus,
input[type="password"]:focus,
input[type="text"]:focus,
input[type="url"]:focus,
select:focus,
textarea:focus {
  background: var(--surface);
}

textarea {
  min-height: 88px;
  padding-top: 11px;
  resize: vertical;
}

input::placeholder {
  color: #98a2b3;
  font-weight: 400;
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--line-strong);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.field-error {
  display: none;
  margin: 0;
  color: var(--error);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
}

.field.is-error input,
.auth-form.was-validated input:invalid {
  border-color: var(--error);
}

.field.is-error .field-error,
.auth-form.was-validated input:invalid + .field-error {
  display: block;
}

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
  font-weight: 400;
  line-height: 1.65;
}

.checkbox-field input {
  width: 16px;
  height: 16px;
  margin: 3px 0 0;
  accent-color: var(--accent);
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  width: 100%;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: var(--surface);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 0 20px;
  transition: all var(--transition);
}

.primary-button:hover {
  background: var(--accent-hover);
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
}

.primary-button:active {
  transform: translateY(1px);
  box-shadow: none;
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  width: 100%;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: var(--surface);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 0 14px;
}

.secondary-button:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.form-switch {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  text-align: center;
}

.notice {
  margin: 0 0 18px;
  border: 1px solid rgba(79, 70, 229, 0.15);
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--text);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.65;
  padding: 12px 16px;
}

.notice.error {
  border-color: rgba(194, 65, 12, 0.15);
  background: #fff7ed;
  color: var(--error);
}

.notice.success {
  border-color: rgba(79, 70, 229, 0.15);
  background: var(--accent-soft);
}

.toast {
  position: fixed;
  z-index: 30;
  right: 24px;
  bottom: 24px;
  max-width: min(360px, calc(100vw - 40px));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  opacity: 0;
  padding: 14px 18px;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition);
}

.toast.show,
.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.toast[data-state="success"],
.toast.success {
  border-color: #bfdbfe;
  color: var(--accent);
}

.toast[data-state="error"],
.toast.error {
  border-color: #fed7aa;
  color: var(--error);
}

.modal-backdrop {
  position: fixed;
  z-index: 20;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(18, 25, 38, 0.42);
  padding: 20px;
}

.modal-backdrop[hidden] {
  display: none;
}

.comment-modal-backdrop,
.comment-delete-modal-backdrop,
.page-delete-modal-backdrop,
.project-delete-modal-backdrop,
.note-delete-modal-backdrop,
.project-settings-modal-backdrop,
.share-modal-backdrop,
.upload-modal-backdrop {
  position: fixed;
  z-index: 25;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(10, 10, 20, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 20px;
}

.comment-modal-backdrop[hidden],
.comment-delete-modal-backdrop[hidden],
.page-delete-modal-backdrop[hidden],
.project-delete-modal-backdrop[hidden],
.note-delete-modal-backdrop[hidden],
.project-settings-modal-backdrop[hidden],
.share-modal-backdrop[hidden],
.upload-modal-backdrop[hidden] {
  display: none;
}

.comment-modal,
.project-settings-modal,
.share-modal,
.upload-modal {
  display: grid;
  width: min(520px, 100%);
  max-height: min(720px, calc(100vh - 40px));
  gap: 20px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  padding: 28px;
}

.comment-modal-header,
.project-settings-modal-header,
.share-modal-header,
.upload-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.comment-modal-actions {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 8px;
}

.comment-resolve-button,
.comment-pending-button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 0 12px;
}

.comment-resolve-button:hover,
.comment-pending-button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.comment-resolve-button.resolved {
  border-color: #d8dde7;
  background: #f3f5f8;
  color: #667085;
}

.comment-pending-button.pending {
  border-color: rgba(22, 163, 74, .34);
  background: #ecfdf3;
  color: #15803d;
}

.comment-modal h2,
.comment-modal p,
.project-settings-modal h2,
.project-settings-modal h3,
.project-settings-modal p,
.share-modal h2,
.share-modal p,
.upload-modal h2,
.upload-modal p {
  margin: 0;
}

.comment-modal h2,
.project-settings-modal h2,
.share-modal h2,
.upload-modal h2 {
  font-size: 14px;
  font-weight: 600;
}

.project-settings-modal-header h2 {
  font-size: 18px;
  font-weight: 600;
}

.project-settings-section-title {
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
}

.project-settings-danger-zone {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.project-settings-danger-zone h3 {
  margin: 0 0 6px;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.project-settings-danger-zone p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.55;
}

@media (max-width: 640px) {
  .project-settings-danger-zone {
    grid-template-columns: 1fr;
  }
}

.comment-modal-header p:not(.eyebrow),
.project-settings-modal-header p:not(.eyebrow),
.share-modal-header p:not(.eyebrow),
.upload-modal-header p:not(.eyebrow) {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  overflow-wrap: anywhere;
}

.comment-thread {
  display: grid;
  gap: 10px;
}

.project-settings-form {
  display: grid;
  gap: 18px;
}

.project-settings-subsection {
  display: grid;
  gap: 6px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.project-settings-subsection p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.55;
}

.project-settings-inline-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.project-settings-test-result {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
}

.project-settings-test-result[data-state="success"] {
  color: #047857;
}

.project-settings-test-result[data-state="error"] {
  color: var(--danger);
}

.project-settings-test-result[data-state="pending"] {
  color: var(--accent);
}

.comment-thread.resolved .comment-message {
  border-color: #d8dde7;
  background: #f3f5f8;
}

.comment-thread.resolved .comment-message p,
.comment-thread.resolved .comment-meta {
  color: #7a8494;
}

.comment-message {
  display: grid;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
  padding: 12px;
}

.comment-message.copyable {
  cursor: copy;
}

.comment-message.copyable:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.comment-message p {
  color: var(--text);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.comment-image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 8px;
}

.comment-image-gallery a {
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  aspect-ratio: 4 / 3;
}

.comment-image-gallery img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comment-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.comment-meta-main {
  display: inline-flex;
  align-items: baseline;
  min-width: 0;
  gap: 6px;
}

.comment-author {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.comment-time {
  color: var(--muted);
  font-size: 11px;
  font-weight: 400;
  line-height: 1;
  white-space: nowrap;
}

.comment-message-actions {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 10px;
}

.comment-message-action {
  border: 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 0;
}

.comment-message-action:hover {
  text-decoration: underline;
}

.comment-message-edit-button {
  color: var(--accent);
}

.comment-delete-button {
  color: var(--error);
}

.comment-reply-form {
  display: grid;
  gap: 12px;
}

.confirm-modal {
  display: grid;
  width: min(420px, 100%);
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 22px;
}

.confirm-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.confirm-modal h3,
.confirm-modal p {
  margin: 0;
}

.confirm-modal h3 {
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.confirm-modal p {
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
}

.icon-button {
  display: inline-grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  transition: all var(--transition);
}

.icon-button:hover {
  border-color: var(--line-strong);
  color: var(--text);
  background: var(--surface);
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.modal-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 0 14px;
}

.modal-button.secondary {
  background: var(--surface);
  color: var(--text);
}

.modal-button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--surface);
}

.modal-button.danger {
  border-color: var(--error);
  background: var(--error);
  color: var(--surface);
}

.modal-button.secondary:hover {
  border-color: var(--line-strong);
}

.modal-button.primary:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.modal-button.danger:hover {
  border-color: var(--error);
  background: #b91c1c;
}

.redirect-page {
  display: grid;
  min-height: 100vh;
  place-content: center;
  gap: 18px;
  padding: 28px;
  text-align: center;
}

.redirect-page p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
}

.app-shell {
  min-height: 100vh;
  background: var(--bg);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 35;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  min-height: 64px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  padding: 0 32px;
}

.header-left {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  min-width: 0;
}

.header-nav {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-left: 4px;
  min-width: 0;
}

.header-nav a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  transition: color var(--transition);
}

.header-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.header-nav-mobile {
  display: none;
}

.header-menu {
  display: contents;
}

.header-menu-button {
  display: none;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  padding: 0;
}

.header-menu-button span:first-child,
.header-menu-button::before,
.header-menu-button::after {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  content: "";
}

.header-menu-button {
  gap: 4px;
  flex-direction: column;
}

.header-controls {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  margin-left: auto;
  min-width: 0;
}

.mode-toggle,
.comment-mode-button,
.member-share-button,
.project-settings-button,
.page-delete-button,
.save-button,
.download-button,
.reset-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  gap: 8px;
  padding: 0 14px;
  text-decoration: none;
}

.mode-toggle,
.comment-mode-button,
.member-share-button,
.project-settings-button,
.page-delete-button {
  background: var(--surface);
  color: var(--muted);
}

.mode-toggle.active,
.mode-toggle:hover,
.comment-mode-button.active,
.comment-mode-button:hover,
.member-share-button:hover,
.project-settings-button:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.page-delete-button:hover {
  border-color: var(--error);
  background: #fef2f2;
  color: var(--error);
}

.header-button-icon {
  display: block;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  color: currentColor;
}

.mode-toggle {
  min-width: 108px;
}

.mode-label {
  white-space: nowrap;
}

.save-button {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--surface);
}

.save-button.icon-only {
  width: 36px;
  padding: 0;
}

.project-settings-button.icon-only {
  width: 36px;
  padding: 0;
}

.page-delete-button.icon-only {
  width: 36px;
  padding: 0;
}

.reset-button {
  background: var(--surface);
  color: var(--text);
}

.download-button {
  background: var(--surface);
  color: var(--accent);
}

.reset-button:hover {
  border-color: var(--line-strong);
}

.download-button:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  text-decoration: none;
}

.save-button:disabled,
.reset-button:disabled {
  border-color: var(--line);
  background: #eef1f5;
  color: #98a2b3;
  cursor: not-allowed;
}

.save-status {
  min-width: 84px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
}

.save-status[data-state="success"] {
  color: var(--accent);
}

.save-status[data-state="error"] {
  color: var(--error);
}

.user-menu {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 16px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
}

.user-menu form {
  margin: 0;
}

.text-button {
  border: 0;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 0;
  transition: color var(--transition);
}

.text-button:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.app-main {
  display: grid;
  gap: 28px;
  width: min(960px, calc(100% - 64px));
  margin: 0 auto;
  padding: 40px 0 64px;
}

.app-main.project-main {
  gap: 0;
  width: 100%;
  margin: 0;
  padding: 0;
}

.project-main > .notice {
  margin: 16px 22px 0;
}

.dashboard-summary {
  display: grid;
  gap: 10px;
}

.dashboard-summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 32px 36px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #f0f0ff 0%, #faf5ff 50%, #fef3f2 100%);
  border: 1px solid rgba(79, 70, 229, 0.08);
}

.dashboard-summary .eyebrow {
  margin: 0 0 4px;
}

.dashboard-summary h1 {
  font-size: 24px;
  letter-spacing: -0.02em;
}

.dashboard-summary p {
  max-width: 640px;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.7;
}

.summary-action {
  width: auto;
  min-width: 120px;
  flex: 0 0 auto;
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(79, 70, 229, 0.2), 0 4px 12px rgba(79, 70, 229, 0.12);
  transition: all var(--transition);
}

.summary-action:hover {
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.25), 0 8px 20px rgba(79, 70, 229, 0.18);
  transform: translateY(-1px);
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.panel h2 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.panel-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.panel-title-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  background: var(--bg);
  padding: 4px 10px;
  border-radius: 20px;
}

.upload-form {
  display: grid;
  gap: 18px;
  max-width: 520px;
  margin-top: 12px;
}

.basic-auth-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
}

.basic-auth-fields .help-text {
  grid-column: 1 / -1;
}

.url-refresh-panel .basic-auth-fields {
  grid-template-columns: 1fr;
}

.register-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg);
  border-radius: 10px;
  padding: 4px;
}

.register-tab {
  min-height: 36px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 0 16px;
  flex: 1;
  transition: all var(--transition);
}

.register-tab.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.register-tab:hover:not(.active) {
  color: var(--text);
}

.register-panel[hidden] {
  display: none;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.settings-form {
  display: grid;
  gap: 18px;
  max-width: none;
  margin-top: 0;
}

.settings-description {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
}

/* ── Account page ── */

.account-header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 28px 32px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #f0f0ff 0%, #faf5ff 50%, #fef3f2 100%);
  border: 1px solid rgba(79, 70, 229, 0.08);
}

.account-header .eyebrow {
  margin: 0 0 4px;
}

.account-header h1 {
  font-size: 22px;
  letter-spacing: -0.02em;
}

.account-header p:not(.eyebrow) {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.6;
}

.account-avatar {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
}

.account-layout {
  display: grid;
  gap: 20px;
}

.account-section {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.account-section .settings-form {
  margin-top: 0;
}

.account-section-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
}

.account-section-header h2 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.account-section-desc {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
}

.account-section-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
}

.account-section-icon-danger {
  background: #fef2f2;
  color: #dc2626;
}

.account-fields-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.account-form-actions {
  display: flex;
  justify-content: flex-end;
  padding-top: 4px;
}

.account-form-actions .primary-button {
  width: auto;
  min-width: 140px;
}

.account-section-subtle {
  background: var(--bg);
  border-color: transparent;
  box-shadow: none;
  padding: 22px 28px;
}

.account-logout-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.account-logout-row .account-section-header {
  margin-bottom: 0;
}

.account-logout-row .settings-form {
  margin-top: 0;
  flex: 0 0 auto;
}

.account-logout-row .secondary-button {
  width: auto;
  min-width: 120px;
  min-height: 38px;
  font-size: 13px;
  border-radius: 10px;
}

.ai-settings-list {
  display: grid;
  gap: 14px;
}

.ai-provider-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcff;
  padding: 18px;
}

.ai-provider-card-highlight {
  margin-bottom: 14px;
  background: #f7f9ff;
  border-color: #cfd9ff;
}

.ai-provider-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.ai-provider-header h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
}

.ai-provider-header p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.ai-provider-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 0 10px;
  white-space: nowrap;
}

.ai-provider-fields {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 14px;
}

.ai-clear-field {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
  cursor: pointer;
}

.ai-clear-field input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.ai-provider-actions {
  display: grid;
  align-items: start;
  gap: 8px;
  margin-top: 14px;
}

.ai-test-button {
  min-width: 104px;
  min-height: 36px;
  border-radius: 9px;
  font-size: 13px;
  white-space: nowrap;
}

.ai-test-button:disabled {
  cursor: wait;
  opacity: .62;
}

.ai-test-result {
  min-height: 20px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
}

.ai-test-result[data-state="success"] {
  color: #047857;
}

.ai-test-result[data-state="error"] {
  color: var(--danger);
}

.ai-test-result[data-state="pending"] {
  color: var(--accent);
}

.help-text {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.6;
}

.empty-state {
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  padding: 48px 24px;
  text-align: center;
  background: var(--bg);
}

.project-list {
  display: grid;
  gap: 8px;
}

.project-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--text);
  padding: 16px 20px;
  text-decoration: none;
  background: var(--bg);
  transition: all var(--transition);
  position: relative;
}

.project-row:hover {
  border-color: rgba(79, 70, 229, 0.15);
  background: var(--accent-soft);
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.06);
  transform: translateX(2px);
}

.project-row strong,
.project-row small {
  display: block;
  font-size: 14px;
}

.project-row strong {
  font-weight: 600;
  letter-spacing: -0.01em;
}

.project-row small {
  margin-top: 3px;
  font-size: 12px;
}

.project-row small,
.project-row > span:last-child {
  color: var(--muted);
  font-weight: 400;
}

.project-row > span:last-child {
  font-size: 12px;
  white-space: nowrap;
}

.project-badge {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  margin-left: 8px;
  border: 0;
  border-radius: 6px;
  background: rgba(79, 70, 229, 0.1);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  vertical-align: middle;
  letter-spacing: 0.01em;
}

.note-main {
  width: 100%;
  max-width: none;
  overflow-x: clip;
  padding: 64px 0 0;
  background: #eef1f5;
}

body:has(.note-main) .app-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 120;
}

body:has(.note-main) {
  overflow-x: hidden;
}

.note-reader-shell {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, 1196px);
  align-items: start;
  justify-content: center;
  gap: 24px;
  width: 100%;
  max-width: 1508px;
  margin: 0 auto;
  min-height: calc(100vh - 76px);
  padding: 28px 24px 72px;
}

.note-toc {
  position: sticky;
  top: 90px;
  align-self: start;
  max-height: calc(100vh - 124px);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  box-shadow: 0 18px 60px rgba(18, 25, 38, 0.08);
  padding: 16px;
}

.note-toc[hidden] {
  display: none;
}

.note-toc-title {
  margin: 0 0 14px;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
}

.note-toc-label {
  display: block;
  margin: 16px 0 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.note-toc-label:first-of-type {
  margin-top: 0;
}

.note-toc-link {
  display: block;
  border-radius: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.45;
  overflow: hidden;
  padding: 7px 8px;
  text-overflow: ellipsis;
  text-decoration: none;
}

.note-toc-link:hover {
  background: var(--accent-soft);
  color: var(--accent);
  text-decoration: none;
}

.note-toc-document {
  color: var(--text);
  font-weight: 600;
}

.note-toc-h1 {
  color: var(--text);
  font-weight: 600;
}

.note-toc-h2 {
  padding-left: 18px;
}

.note-toc-h3 {
  padding-left: 30px;
  font-size: 11px;
}

.note-reader-content {
  grid-column: 2;
  display: grid;
  gap: 14px;
  min-width: 0;
  width: 100%;
}

.note-reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin: 0 auto;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.note-back-link {
  width: auto;
  min-width: 110px;
  min-height: 38px;
}

.note-paper {
  width: 100%;
  min-width: 0;
  min-height: 960px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  box-shadow: 0 18px 60px rgba(18, 25, 38, 0.08);
  padding: 72px 84px 96px;
}

.note-paper.editing {
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12), 0 18px 60px rgba(18, 25, 38, 0.08);
}

.note-paper [contenteditable="true"] {
  border-radius: 6px;
  outline: 2px solid transparent;
  outline-offset: 6px;
}

.note-paper [contenteditable="true"]:focus {
  outline-color: rgba(79, 70, 229, 0.3);
}

.note-article-header {
  margin-bottom: 42px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.note-article-header h1 {
  max-width: 680px;
  font-size: 34px;
  line-height: 1.3;
}

.note-article-header p:not(.eyebrow) {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.note-article {
  color: #24272d;
  font-size: 18px;
  font-weight: 400;
  line-height: 2.05;
  min-width: 0;
  overflow-wrap: anywhere;
}

.note-article > *:first-child {
  margin-top: 0;
}

.note-document {
  position: relative;
  min-width: 0;
  padding: 10px 0;
}

.note-document-body {
  min-width: 0;
}

.note-document::after {
  position: absolute;
  top: 0;
  right: -70px;
  bottom: 0;
  width: 82px;
  content: "";
}

.note-document + .note-document {
  margin-top: 36px;
  padding-top: 38px;
  border-top: 1px solid var(--line);
}

.note-document-body > *:first-child {
  margin-top: 0;
}

.note-document-toolbar {
  position: absolute;
  top: var(--note-toolbar-top, 12px);
  right: -58px;
  z-index: 3;
  display: grid;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  transform: translateX(4px);
}

.note-document:hover .note-document-toolbar,
.note-document:focus-within .note-document-toolbar {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.note-document-tool-button {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(18, 25, 38, 0.1);
  transition: border-color var(--transition), color var(--transition), background var(--transition), transform var(--transition);
}

.note-document-tool-button:hover,
.note-document-tool-button:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  outline: none;
  transform: translateY(-1px);
}

.note-document-tool-button.danger:hover,
.note-document-tool-button.danger:focus-visible {
  border-color: var(--error);
  background: #fef2f2;
  color: var(--error);
}

.note-document-tool-icon {
  display: block;
  width: 19px;
  height: 19px;
}

.note-article h1,
.note-article h2,
.note-article h3 {
  position: relative;
  margin: 2.4em 0 1em;
  color: var(--text);
  font-weight: 600;
  line-height: 1.35;
}

.note-article h1:first-child,
.note-article h2:first-child,
.note-article h3:first-child {
  margin-top: 0;
}

.note-article h1 {
  font-size: 32px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.note-article h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 26px;
  padding-top: 6px;
}

.note-article h2::before {
  display: block;
  width: 4px;
  height: 1.25em;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--accent);
  content: "";
}

.note-article h3 {
  font-size: 21px;
  padding-left: 14px;
}

.note-article h3::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  content: "";
}

.note-article p,
.note-article ul,
.note-article blockquote,
.note-article pre,
.note-article hr,
.note-table-wrap {
  margin: 0 0 1.35em;
}

.note-article ul {
  padding-left: 1.5em;
}

.note-article li + li {
  margin-top: 0.45em;
}

.note-article blockquote {
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  color: var(--text);
  padding: 14px 18px;
}

.note-article hr {
  height: 1px;
  border: 0;
  background: var(--line);
  margin: 2.6em 0;
}

.note-article code {
  border-radius: 5px;
  background: #f2f4f7;
  color: #111827;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  padding: 2px 5px;
}

.note-article pre {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111827;
  color: #f9fafb;
  padding: 18px;
}

.note-article pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.note-table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.note-article table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 16px;
  line-height: 1.65;
}

.note-article th,
.note-article td {
  min-width: 160px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: 12px 14px;
  vertical-align: top;
}

.note-article th:last-child,
.note-article td:last-child {
  border-right: 0;
}

.note-article tbody tr:last-child td {
  border-bottom: 0;
}

.note-article th {
  background: #f8fafc;
  color: var(--text);
  font-weight: 600;
  text-align: left;
}

.note-append-form {
  display: grid;
  justify-items: center;
  gap: 10px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.note-append-button {
  width: auto;
  min-width: 120px;
  min-height: 40px;
}

.project-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  height: calc(100vh - 76px);
  width: 100%;
  overflow: hidden;
}

.file-panel,
.preview-panel {
  min-width: 0;
}

.preview-panel {
  background: var(--surface);
  display: grid;
  overflow: auto;
  place-items: stretch;
}

.file-panel {
  border-left: 1px solid var(--line);
  background: #fbfcfe;
  height: calc(100vh - 76px);
  overflow-y: auto;
  padding: 22px;
}

.file-panel-header {
  position: sticky;
  top: -22px;
  z-index: 8;
  margin: -22px -22px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  padding: 22px 22px 16px;
}

.viewport-controls {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}

.file-panel-header .viewport-controls {
  margin-bottom: 12px;
}

.sidebar-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 18px;
}

.file-panel-header .sidebar-tabs {
  margin-bottom: 0;
}

.sidebar-tab {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
}

.sidebar-tab:hover,
.sidebar-tab.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.sidebar-tab-panel {
  display: none;
}

.sidebar-tab-panel.active {
  display: block;
}

.viewport-button {
  display: inline-grid;
  min-height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  text-decoration: none;
}

.viewport-button:hover,
.viewport-button.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.device-icon {
  display: block;
  position: relative;
  border: 2px solid currentColor;
  border-radius: 4px;
}

.desktop-icon {
  width: 22px;
  height: 15px;
}

.desktop-icon::after {
  position: absolute;
  right: 5px;
  bottom: -7px;
  left: 5px;
  height: 5px;
  border-bottom: 2px solid currentColor;
  content: "";
}

.tablet-icon {
  width: 15px;
  height: 22px;
  border-radius: 5px;
}

.mobile-icon {
  width: 12px;
  height: 22px;
  border-radius: 6px;
}

.fullscreen-icon {
  display: block;
  position: relative;
  width: 22px;
  height: 22px;
}

.fullscreen-icon::before,
.fullscreen-icon::after {
  position: absolute;
  inset: 0;
  border: 2px solid currentColor;
  content: "";
}

.fullscreen-icon::before {
  clip-path: polygon(0 0, 42% 0, 42% 2px, 2px 2px, 2px 42%, 0 42%, 0 0, 58% 0, 100% 0, 100% 42%, calc(100% - 2px) 42%, calc(100% - 2px) 2px, 58% 2px);
}

.fullscreen-icon::after {
  clip-path: polygon(0 58%, 2px 58%, 2px calc(100% - 2px), 42% calc(100% - 2px), 42% 100%, 0 100%, 0 58%, 58% calc(100% - 2px), calc(100% - 2px) calc(100% - 2px), calc(100% - 2px) 58%, 100% 58%, 100% 100%, 58% 100%);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.project-summary {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.page-list-heading {
  display: flex;
  min-height: 36px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-search {
  display: flex;
  width: 36px;
  min-width: 36px;
  height: 36px;
  align-items: center;
  justify-content: flex-end;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  transition: width .2s ease, border-color .2s ease, background-color .2s ease, box-shadow .2s ease;
}

.page-search.open {
  width: min(220px, calc(100% - 64px));
  border-color: var(--line);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .08);
}

.page-search-input {
  width: 0;
  min-width: 0;
  height: 34px;
  opacity: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 400;
  padding: 0;
  transition: width .2s ease, opacity .15s ease, padding .2s ease;
}

.page-search.open .page-search-input {
  width: 100%;
  opacity: 1;
  padding: 0 2px 0 11px;
}

.page-search-input::placeholder {
  color: var(--muted);
}

.page-search-toggle {
  display: inline-grid;
  width: 34px;
  min-width: 34px;
  height: 34px;
  place-items: center;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
}

.page-search-toggle:hover,
.page-search-toggle:focus-visible,
.page-search.open .page-search-toggle {
  background: var(--accent-soft);
  color: var(--accent);
  outline: 0;
}

.page-search-toggle:focus-visible {
  box-shadow: inset 0 0 0 2px var(--accent);
}

.page-search-toggle svg {
  width: 20px;
  height: 20px;
}

.project-summary .eyebrow,
.project-summary h1,
.project-summary p {
  margin: 0;
}

.project-summary h1 {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.project-summary p {
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.active-page-meta {
  display: grid;
  gap: 3px;
}

.active-page-meta strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.active-page-meta span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.file-list {
  display: grid;
  gap: 8px;
}

.file-list a.page-search-hidden {
  display: none;
}

.page-search-empty {
  margin: 0;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.5;
  padding: 16px 12px;
  text-align: center;
}

.file-list a {
  display: grid;
  gap: 4px;
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  padding: 10px 12px;
}

.file-list.reorderable a {
  cursor: grab;
}

.file-list.reorderable a:active {
  cursor: grabbing;
}

.file-list.reorderable.saving {
  opacity: .72;
}

.file-list a.dragging {
  opacity: .45;
}

.file-list a.drag-before {
  box-shadow: 0 -3px 0 var(--accent);
}

.file-list a.drag-after {
  box-shadow: 0 3px 0 var(--accent);
}

.file-list-title {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
}

.file-list-title span:first-child {
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-comment-dot {
  flex: 0 0 auto;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  width: 32px;
  min-width: 32px;
  height: 40px;
  padding: 4px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
}

.page-comment-dot svg {
  width: 15px;
  height: 15px;
}

.page-comment-dot.attention {
  border-color: rgba(220, 38, 38, .24);
  background: #fef2f2;
  color: #b91c1c;
}

.page-comment-dot.pending {
  border-color: rgba(22, 163, 74, .24);
  background: #f0fdf4;
  color: #15803d;
}

.page-comment-dot.completed {
  border-color: #d7dce5;
  background: #f3f5f8;
  color: #667085;
}

.page-comment-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #f8fafc;
}

.page-comment-dot[hidden],
.page-comment-stats[hidden] {
  display: none;
}

.page-comment-stat {
  display: grid;
  min-width: 0;
  gap: 2px;
  justify-items: center;
  padding: 6px 3px;
}

.page-comment-stat + .page-comment-stat {
  border-left: 1px solid var(--line);
}

.page-comment-stat span,
.page-comment-stat strong {
  display: block;
  font-size: 12px;
  line-height: 1.2;
  text-align: center;
}

.page-comment-stat span {
  color: var(--muted);
  font-weight: 400;
}

.page-comment-stat strong {
  color: var(--text);
  font-weight: 600;
}

.page-comment-stat .page-unread-count.has-value {
  color: #15803d;
}

.file-list-path {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.45;
}

.file-list a:hover,
.file-list a.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  text-decoration: none;
}

.file-list a:hover .file-list-title,
.file-list a.active .file-list-title {
  color: var(--accent);
}

.comment-panel,
.url-refresh-panel,
.page-upload-panel,
.site-replace-panel,
.page-actions-panel {
  display: grid;
  gap: 14px;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.comment-panel {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-actions-panel {
  padding-bottom: 4px;
}

.sidebar-reset-button {
  width: 100%;
}

.comment-panel h2,
.comment-panel p,
.url-refresh-panel h2,
.url-refresh-panel p,
.page-upload-panel h2,
.page-upload-panel p,
.site-replace-panel h2,
.site-replace-panel p {
  margin: 0;
}

.comment-panel h2,
.url-refresh-panel h2,
.page-upload-panel h2,
.site-replace-panel h2 {
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.comment-form,
.url-refresh-form,
.page-upload-form,
.site-replace-form,
.share-form {
  display: grid;
  gap: 12px;
}

.url-refresh-actions {
  display: grid;
  gap: 8px;
}

.url-refresh-actions .secondary-button {
  width: 100%;
}

.comment-list {
  display: grid;
  gap: 8px;
}

.comment-panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.comment-panel-heading h2 {
  margin: 0;
}

.comment-panel-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.comment-sheet-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 0 10px;
  text-decoration: none;
  cursor: pointer;
}

.comment-sheet-button:hover,
.comment-sheet-button:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
  outline: none;
}

.comment-sheet-button:disabled {
  cursor: wait;
  opacity: .58;
}

.comment-list-item {
  display: grid;
  gap: 5px;
  position: relative;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  padding: 10px 44px 34px 12px;
  text-align: left;
}

.comment-list-item:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.comment-list-item.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}

.comment-list-item.resolved {
  border-color: #d8dde7;
  background: #f3f5f8;
  color: #7a8494;
}

.comment-list-item.missing-target {
  border-color: #f7c566;
  background: #fff8e8;
}

.comment-list-item.missing-target.active {
  border-color: #f59e0b;
  background: #fff4d6;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, .18);
}

.comment-list-item.confirmation-pending {
  border-color: rgba(22, 163, 74, .36);
}

.comment-list-item.unread-activity {
  border-color: rgba(22, 163, 74, .46);
  background: #f0fdf4;
  box-shadow: inset 4px 0 0 rgba(22, 163, 74, .52);
}

.comment-list-item.unread-activity:hover,
.comment-list-item.unread-activity.active {
  border-color: rgba(22, 163, 74, .62);
  background: #e9fbea;
  box-shadow: 0 0 0 3px rgba(22, 163, 74, .14), inset 4px 0 0 rgba(22, 163, 74, .62);
}

.comment-list-item.resolved strong,
.comment-list-item.resolved small,
.comment-list-item.resolved span {
  color: #7a8494;
}

.comment-list-item.resolved .comment-pending-dot {
  display: none;
}

.comment-list-item strong,
.comment-list-item small,
.comment-list-item span {
  display: block;
  overflow-wrap: anywhere;
  font-size: 14px;
}

.comment-list-item strong {
  display: flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
}

.comment-new-dot,
.comment-pending-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 999px;
}

.comment-new-dot {
  background: #dc2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, .13);
}

.comment-pending-dot {
  background: #16a34a;
  box-shadow: 0 0 0 3px rgba(22, 163, 74, .13);
}

.comment-list-item .comment-page-label {
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

.comment-status-label {
  width: fit-content;
  border-radius: 999px;
  background: #e1e5ec;
  color: #667085;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
}

.comment-list-item small,
.comment-list-item span {
  color: var(--muted);
  font-weight: 400;
}

.comment-list-item .comment-status-label {
  color: #667085;
  font-size: 12px;
  font-weight: 600;
}

.comment-ai-result {
  display: grid;
  gap: 4px;
  margin: 2px 0;
}

.comment-list-item span.comment-ai-status {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  padding: 2px 8px;
}

.comment-list-item span.comment-ai-status.is-unchecked {
  border-color: #d7dce5;
  background: #f1f5f9;
  color: #64748b;
}

.comment-list-item span.comment-ai-status.is-not-applicable {
  border-color: #cbd5e1;
  background: #f8fafc;
  color: #475569;
}

.comment-list-item span.comment-ai-status.is-reflected {
  border-color: #a7e3bd;
  background: #ecfdf5;
  color: #047857;
}

.comment-list-item span.comment-ai-status.is-not-reflected {
  border-color: #fecaca;
  background: #fef2f2;
  color: #b91c1c;
}

.comment-list-item span.comment-ai-status.is-uncertain {
  border-color: #fed7aa;
  background: #fff7ed;
  color: #b45309;
}

.comment-list-item span.comment-ai-status.is-error {
  border-color: #fecdd3;
  background: #fff1f2;
  color: #be123c;
}

.comment-list-item small.comment-ai-summary {
  display: -webkit-box;
  overflow: hidden;
  color: #667085;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.comment-card-actions {
  position: absolute;
  right: 8px;
  bottom: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.comment-card-action-button {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
}

.comment-card-action-button.has-replies {
  border-color: #f97316;
  background: #fff7ed;
  color: #ea580c;
}

.comment-card-action-button.has-replies:hover,
.comment-card-action-button.has-replies:focus-visible {
  border-color: #ea580c;
  color: #c2410c;
  box-shadow: 0 0 0 3px rgba(249, 115, 22, .16);
}

.comment-list-item span.comment-card-reply-badge {
  position: absolute;
  top: -7px;
  right: -7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border: 2px solid var(--surface);
  border-radius: 999px;
  background: #f97316;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  pointer-events: none;
}

.comment-card-action-button:hover,
.comment-card-action-button:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}

.comment-card-action-icon {
  display: block;
  width: 17px;
  height: 17px;
  color: currentColor;
}

.comment-client-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
  padding: 4px 8px;
}

.share-empty {
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
}

.share-result {
  display: grid;
  gap: 8px;
  min-height: 0;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
}

.share-result:not(:empty) {
  border: 1px solid var(--line);
  background: #fbfcfe;
  padding: 10px 12px;
}

.share-result[data-state="success"]:not(:empty) {
  border-color: rgba(27, 123, 74, 0.26);
  background: rgba(27, 123, 74, 0.08);
  color: var(--success);
}

.share-result[data-state="error"]:not(:empty) {
  border-color: rgba(176, 42, 55, 0.26);
  background: rgba(176, 42, 55, 0.08);
  color: var(--error);
}

.share-result p {
  margin: 0;
}

.share-result a {
  overflow-wrap: anywhere;
  color: inherit;
  font-weight: 600;
}

.share-members {
  display: grid;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.public-share-panel {
  display: grid;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.public-share-panel h3,
.public-share-panel p,
.share-members h3 {
  margin: 0;
}

.public-share-panel h3,
.share-members h3 {
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.public-share-panel p {
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
}

.public-link-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.public-link-row input {
  min-width: 0;
}

.public-link-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.public-link-actions .secondary-button {
  width: auto;
  min-width: 92px;
  flex: 0 0 auto;
}

.client-link-create-form {
  display: grid;
  gap: 10px;
  margin-bottom: 6px;
}

.client-link-list {
  display: grid;
  gap: 10px;
}

.client-link-card {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 10px;
}

.client-link-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.client-link-card-header strong {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.client-link-status {
  flex: 0 0 auto;
  border-radius: 999px;
  background: rgba(27, 123, 74, 0.1);
  color: var(--success);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  padding: 5px 8px;
}

.client-link-status.disabled {
  background: #eef1f6;
  color: var(--muted);
}

.client-link-actions {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  align-items: center;
}

.client-link-actions .secondary-button {
  width: auto;
  min-width: 0;
  flex: 0 0 auto;
  padding-inline: 12px;
}

.secondary-button.danger {
  border-color: var(--error);
  background: var(--error);
  color: var(--surface);
}

.secondary-button.danger:hover {
  border-color: var(--error);
  background: #b91c1c;
  color: var(--surface);
}

.member-list {
  display: grid;
  gap: 8px;
}

.member-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 10px 12px;
}

.member-row strong,
.member-row small {
  display: block;
  overflow-wrap: anywhere;
  font-size: 14px;
}

.member-row strong {
  color: var(--text);
  font-weight: 600;
}

.member-row small {
  color: var(--muted);
  font-weight: 400;
}

.member-role-control {
  flex: 0 0 auto;
}

.member-role-control select {
  width: auto;
  min-width: 132px;
  min-height: 36px;
  font-weight: 600;
}

.site-preview {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
  background: var(--surface);
}

.preview-stage {
  width: 100%;
  height: calc(100vh - 76px);
  background: var(--surface);
  transition: width 160ms ease, height 160ms ease;
}

.preview-stage[data-viewport="tablet"],
.preview-stage[data-viewport="mobile"] {
  justify-self: center;
  margin: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.preview-stage[data-viewport="tablet"] {
  width: var(--preview-width, min(768px, calc(100% - 36px)));
  height: var(--preview-height, 1024px);
  aspect-ratio: 3 / 4;
}

.preview-stage[data-viewport="mobile"] {
  width: var(--preview-width, min(390px, calc(100% - 36px)));
  height: var(--preview-height, 693px);
  aspect-ratio: 9 / 16;
}

@media (max-width: 1180px) {
  .app-header {
    align-items: flex-start;
    min-height: auto;
    gap: 12px 16px;
    padding: 14px 20px;
  }

  .header-left {
    order: 1;
    gap: 18px;
  }

  .app-header .brand {
    flex: 0 0 auto;
  }

  .header-nav {
    flex: 1 1 auto;
    gap: 12px;
    margin-left: 0;
  }

  .user-menu {
    order: 3;
    margin-left: auto;
  }

  .header-controls {
    order: 4;
    flex: 1 0 100%;
    justify-content: flex-end;
    margin-left: 0;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: thin;
  }

.header-controls > * {
  flex: 0 0 auto;
}

.header-control-separator {
  width: 1px;
  height: 28px;
  border-radius: 999px;
  background: var(--line);
}

.save-status {
  min-width: 0;
  }

  .project-layout {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 30vw);
    height: calc(100vh - 126px);
  }

  .file-panel,
  .preview-stage {
    height: calc(100vh - 126px);
  }
}

@media (max-width: 860px) {
  .auth-shell {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .app-header {
    position: sticky;
    align-items: center;
    flex-wrap: nowrap;
    gap: 12px;
    padding: 14px 18px;
    z-index: 120;
  }

  .header-left {
    order: 1;
    flex: 1 1 auto;
    min-width: 0;
  }

  .header-nav-desktop {
    display: none;
  }

  .header-menu-button {
    display: inline-flex;
    order: 2;
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    margin-left: auto;
    border-radius: 12px;
    box-shadow: 0 10px 24px rgba(18, 25, 38, 0.08);
  }

  .header-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 14px;
    left: 14px;
    z-index: 130;
    display: none;
    order: 3;
    width: auto;
    max-height: calc(100vh - 104px);
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 24px 70px rgba(18, 25, 38, 0.16);
    padding: 16px;
    backdrop-filter: blur(14px);
  }

  .header-menu.open {
    display: flex;
  }

  .header-nav-mobile {
    display: flex;
  }

  .header-menu .header-nav {
    order: 1;
    width: 100%;
    flex: 0 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    margin-left: 0;
    border-bottom: 1px solid var(--line);
    padding-bottom: 12px;
  }

  .header-menu .header-nav a {
    display: flex;
    align-items: center;
    min-height: 42px;
    border-radius: 10px;
    color: var(--text);
    font-size: 15px;
    font-weight: 600;
    padding: 0 12px;
  }

  .header-menu .header-nav a:hover {
    background: var(--accent-soft);
    color: var(--accent);
  }

  .header-menu .user-menu {
    order: 4;
    width: 100%;
    justify-content: space-between;
  }

  .header-menu .header-controls {
    order: 2;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    justify-content: stretch;
    gap: 10px;
    width: 100%;
    flex: 0 0 auto;
    margin-left: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .header-menu .header-controls > * {
    width: 100%;
    min-width: 0;
  }

  .header-menu .header-control-separator {
    display: none;
  }

  .header-menu .save-status {
    grid-column: 1 / -1;
  }

  .header-menu .file-panel {
    order: 3;
    width: 100%;
    max-height: 58vh;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fbfcfe;
    padding: 14px;
  }

  .mode-toggle,
  .comment-mode-button,
  .member-share-button,
  .project-settings-button,
  .page-delete-button,
  .save-button,
  .download-button,
  .reset-button {
    min-height: 34px;
    padding: 0 11px;
  }

  .product-panel {
    gap: 36px;
    padding: 28px;
    border-radius: 8px 8px 0 0;
  }

  .form-panel {
    padding: 28px;
    border-top: 0;
    border-left: 1px solid var(--line);
    border-radius: 0 0 8px 8px;
  }

  .project-layout {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }

  .file-panel {
    border-top: 1px solid var(--line);
    border-left: 0;
    height: auto;
    max-height: 52vh;
    overflow-y: auto;
    padding: 16px;
  }

  .file-panel-header {
    top: 0;
    margin: -16px -16px 14px;
    background: var(--surface);
    padding: 16px 16px 12px;
  }

  .file-panel-header .viewport-controls {
    margin-bottom: 10px;
  }

  .header-menu .file-panel-header {
    margin: -14px -14px 12px;
    padding: 14px 14px 10px;
  }

  .header-menu .file-panel-header .viewport-controls {
    margin-bottom: 10px;
  }

  .file-list {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

  .site-preview {
    height: 100%;
  }

  .preview-stage {
    width: 100%;
    height: 70vh;
    margin: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .preview-stage[data-viewport="tablet"],
  .preview-stage[data-viewport="mobile"] {
    width: var(--preview-width);
    height: var(--preview-height);
    margin: 16px auto;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .note-main {
    width: 100%;
    padding: 64px 0 0;
  }

  .note-reader-shell {
    grid-template-columns: 1fr;
    max-width: none;
    gap: 14px;
    padding: 18px 16px 48px;
  }

  .note-toc {
    position: static;
    width: 100%;
    max-height: none;
    order: 2;
  }

  .note-reader-content,
  .note-paper {
    grid-column: 1;
    order: 1;
  }

  .note-paper {
    min-height: auto;
    padding: 48px 42px 64px;
    border-radius: 4px;
    box-shadow: 0 12px 34px rgba(18, 25, 38, 0.08);
  }

  .note-document {
    padding-right: 0;
  }

  .note-document::after {
    display: none;
  }

  .note-document-toolbar {
    position: fixed;
    top: var(--note-fixed-toolbar-top, 76px);
    right: max(10px, env(safe-area-inset-right));
    z-index: 80;
    opacity: 0;
    pointer-events: none;
    transform: none;
  }

  .note-document:hover .note-document-toolbar,
  .note-document:focus-within .note-document-toolbar {
    opacity: 0;
    pointer-events: none;
    transform: none;
  }

  .note-document.toolbar-active .note-document-toolbar,
  .note-document.toolbar-active:focus-within .note-document-toolbar {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .note-article-header {
    margin-bottom: 34px;
    padding-bottom: 24px;
  }

  .note-article-header h1 {
    max-width: none;
    font-size: 31px;
  }

  .note-article {
    font-size: 18px;
    line-height: 2;
  }
}

@media (max-width: 520px) {
  .auth-shell {
    padding: 0;
  }

  .product-panel,
  .form-panel {
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  .product-panel {
    padding: 24px 20px;
  }

  .form-panel {
    padding: 20px;
  }

  .form-card {
    max-width: none;
    padding: 24px 20px;
    box-shadow: none;
  }

  .label-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .project-row,
  .panel-title-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .app-header,
  .project-row,
  .panel-title-row {
    align-items: flex-start;
  }

  .app-header {
    flex-direction: row;
    align-items: center;
    padding: 14px 16px;
  }

  .header-menu {
    right: 10px;
    left: 10px;
    padding: 14px;
  }

  .header-menu .header-nav {
    align-items: stretch;
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .header-menu .header-controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    flex-direction: unset;
    flex-wrap: unset;
  }

  .header-menu .comment-mode-button,
  .header-menu .member-share-button,
  .header-menu .project-settings-button {
    width: 100%;
    padding: 0 10px;
  }

  .header-menu .comment-mode-button span:last-child,
  .header-menu .member-share-button span:last-child {
    display: inline;
  }

  .header-menu .mode-toggle {
    min-width: 0;
  }

  .header-menu .user-menu {
    align-items: center;
    flex-direction: row;
  }

  .app-main {
    width: calc(100% - 32px);
    padding-top: 24px;
  }

  .note-main {
    width: 100%;
    padding: 64px 0 0;
  }

  .dashboard-summary-row {
    align-items: stretch;
    flex-direction: column;
    padding: 24px;
  }

  .summary-action {
    width: 100%;
  }

  .panel {
    padding: 20px;
    border-radius: var(--radius);
  }

  .note-reader-shell {
    grid-template-columns: 1fr;
    padding: 10px 0 36px;
  }

  .note-toc {
    position: static;
    max-height: none;
    width: 100%;
    order: 2;
  }

  .note-reader-toolbar {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .note-reader-content,
  .note-paper {
    grid-column: 1;
  }

  .note-reader-content {
    order: 1;
    gap: 10px;
  }

  .note-paper {
    order: 1;
    min-height: auto;
    width: 100%;
    max-width: 100%;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
    padding: 32px 22px 46px;
    box-shadow: none;
  }

  .note-article-header h1 {
    font-size: 30px;
    line-height: 1.35;
  }

  .note-article {
    font-size: 18px;
    line-height: 2;
  }

  .note-article h1 {
    font-size: 28px;
  }

  .note-article h2 {
    gap: 10px;
    font-size: 24px;
  }

  .note-article h3 {
    font-size: 20px;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .site-preview {
    height: 100%;
  }

  .preview-stage {
    height: 68vh;
  }

  .file-panel {
    max-height: 54vh;
    padding: 14px;
  }

  .header-menu .file-panel {
    max-height: 60vh;
  }

  .file-panel-header {
    margin: -14px -14px 12px;
    padding: 14px 14px 10px;
  }

  .file-list {
    grid-template-columns: 1fr;
  }

  .account-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    text-align: left;
  }

  .account-avatar {
    width: 44px;
    height: 44px;
    font-size: 17px;
    border-radius: 12px;
  }

  .account-section {
    padding: 20px;
    border-radius: var(--radius);
  }

  .account-section-subtle {
    padding: 18px 20px;
  }

  .account-fields-row {
    grid-template-columns: 1fr;
  }

  .basic-auth-fields {
    grid-template-columns: 1fr;
  }

  .ai-provider-card {
    padding: 16px;
  }

  .ai-provider-header {
    flex-direction: column;
    gap: 10px;
  }

  .ai-provider-fields {
    grid-template-columns: 1fr;
  }

  .ai-provider-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .ai-test-button {
    width: 100%;
  }

  .account-logout-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .account-logout-row .secondary-button {
    width: 100%;
  }

  .account-form-actions .primary-button {
    width: 100%;
  }

  .toast {
    right: 16px;
    bottom: 16px;
    left: 16px;
    max-width: none;
  }
}