/* express233 — New API / shadcn 暗色紧凑预设 v2（见 AGENTS.md） */
:root {
  /* shadcn zinc dark 语义 */
  --bg-base: #09090b;
  --bg-sidebar: #0c0c0e;
  --bg-surface: #141416;
  --bg-elevated: #1e1e22;
  --bg-hover: rgba(255, 255, 255, 0.045);
  --bg-active: rgba(16, 185, 129, 0.08);
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.12);
  --border-card: rgba(255, 255, 255, 0.08);
  --text: #f0f0f2;
  --text-muted: #a1a1aa;
  --text-faint: #6b6b76;
  /* New API 常用 emerald 主色（比纯绿更克制） */
  --primary: #10b981;
  --primary-hover: #34d399;
  --primary-fg: #022c1a;
  --primary-dim: rgba(16, 185, 129, 0.15);
  --danger: #ef4444;
  --danger-hover: #f87171;
  --warn: #f59e0b;
  --info: #3b82f6;
  --radius: 7px;
  --radius-lg: 10px;
  --radius-xl: 14px;
  --sidebar-w: 244px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", "JetBrains Mono", Consolas, monospace;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(16, 185, 129, 0.05);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: var(--font);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--primary-dim);
  color: var(--text);
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.18); }

.hidden { display: none !important; }

/* —— Login —— */
.login-screen {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--bg-base);
  overflow: hidden;
}

.login-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 45% at 50% -5%, rgba(16, 185, 129, 0.12), transparent 55%),
    radial-gradient(ellipse 40% 30% at 80% 90%, rgba(59, 130, 246, 0.04), transparent 50%),
    var(--bg-base);
  pointer-events: none;
}

.login-card {
  position: relative;
  width: 100%;
  max-width: 400px;
  padding: 2rem 1.75rem 1.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glow), 0 20px 50px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255,255,255,0.03);
}

.login-brand { text-align: center; margin-bottom: 2rem; }
.login-logo {
  width: 52px; height: 52px; margin: 0 auto 1rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.06));
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.login-brand h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
}
.login-sub { margin: 0.5rem 0 0; color: var(--text-muted); font-size: 0.88rem; }
.login-hint { text-align: center; font-size: 0.75rem; color: var(--text-faint); margin: 1.25rem 0 0; }
.login-title {
  margin: -0.5rem 0 1.15rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-align: center;
}
.login-submit {
  padding: 0.68rem 1rem;
  font-size: 1rem;
  margin-top: 0.5rem;
}

.field { display: block; margin-bottom: 1rem; }
.field span {
  display: block;
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* —— Shell —— */
.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-base);
}

.invite-banner {
  position: fixed;
  top: 0;
  left: var(--sidebar-w);
  right: 0;
  z-index: 200;
  padding: 0.65rem 1.25rem;
  background: rgba(245, 158, 11, 0.1);
  border-bottom: 1px solid rgba(245, 158, 11, 0.3);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: #fcd34d;
  backdrop-filter: blur(8px);
}
.invite-icon {
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(245, 158, 11, 0.2);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.75rem;
}

/* —— Sidebar —— */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
}

.sidebar-brand-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: var(--space-3) var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--border);
  min-height: 48px;
}
.brand-mark {
  width: 30px; height: 30px;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.brand-name { font-weight: 600; font-size: 0.95rem; letter-spacing: -0.02em; }

.sidebar-section { padding: var(--space-3) var(--space-2) var(--space-1); }
.section-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-faint);
  margin-bottom: 0.5rem;
  padding: 0 0.35rem;
}

.search-wrap { position: relative; margin-bottom: 0.5rem; }
.version-search-wrap {
  position: relative;
  margin-bottom: 0.55rem;
}
.version-search-wrap .search-input {
  min-width: 100%;
}
.search-icon {
  position: absolute;
  left: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: 0.48rem 0.65rem 0.48rem 2.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.search-input::placeholder { color: var(--text-faint); }

.new-project-row {
  display: flex;
  gap: 0.4rem;
}
.new-project-row .input { flex: 1; min-width: 0; }

.input, select.input, textarea.input {
  padding: 0.48rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input::placeholder { color: var(--text-faint); }
.input:focus, .search-input:focus, select.input:focus {
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 0 0 3px var(--primary-dim);
}
.input-sm { font-size: 0.85rem; padding: 0.4rem 0.6rem; }

.project-list {
  list-style: none;
  margin: 0;
  padding: 0.25rem 0.4rem;
  flex: 1;
  overflow-y: auto;
  min-height: 80px;
}
.project-list li {
  position: relative;
  padding: 0.5rem 0.7rem 0.5rem 0.85rem;
  margin-bottom: 1px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
  border: 1px solid transparent;
}
.project-list li:hover {
  background: var(--bg-hover);
  color: var(--text);
}
.project-list li.selected {
  background: var(--bg-active);
  color: var(--primary-hover);
  border-color: rgba(16, 185, 129, 0.15);
}
.project-list li.selected::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--primary);
}

.sidebar-nav {
  padding: 0.5rem 0.4rem 0.75rem;
  border-top: 1px solid var(--border);
}
.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.48rem 0.6rem;
  margin-bottom: 1px;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  font: inherit;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  text-align: left;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.sidebar-nav-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}
.sidebar-nav-item.active {
  background: var(--bg-active);
  color: var(--primary-hover);
}
.sidebar-nav-item.active .nav-svg { color: var(--primary); opacity: 1; }
.nav-svg { flex-shrink: 0; opacity: 0.6; transition: opacity var(--transition-fast); }
.sidebar-nav-item:hover .nav-svg { opacity: 0.9; }
.sidebar-link { color: inherit; }

.sidebar-footer {
  padding: 0.6rem 0.65rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.15);
}
.user-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  flex: 1;
}
.user-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.user-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* —— Main —— */
.main {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-5) var(--space-5);
  background: var(--bg-base);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  color: var(--text-muted);
}
.empty-icon {
  width: 88px; height: 88px;
  margin-bottom: 1.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bg-surface), var(--bg-elevated));
  border: 1px solid var(--border);
  color: var(--text-faint);
  display: flex;
  align-items: center;
  justify-content: center;
}
.empty-state h2 {
  margin: 0 0 0.5rem;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.empty-state p { margin: 0; max-width: 340px; font-size: 0.92rem; line-height: 1.6; }
.empty-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-top: 1.25rem;
}

.page-header, .workspace-header { margin-bottom: 1.25rem; }
.page-header h1, .workspace-title h1 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.subtitle { margin: 0.35rem 0 0; color: var(--text-muted); font-size: 0.88rem; }
.workspace-title {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.project-tabs {
  display: flex;
  gap: 0.15rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  padding: 0 0.15rem;
}
.project-tab {
  position: relative;
  padding: 0.55rem 0.95rem;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
  border-radius: var(--radius) var(--radius) 0 0;
}
.project-tab:hover { color: var(--text); background: var(--bg-hover); }
.project-tab.active {
  color: var(--primary-hover);
}
.project-tab.active::after {
  content: "";
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: -1px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px 2px 0 0;
}

.seg-tabs {
  display: inline-flex;
  gap: 0.15rem;
  margin-top: 0.65rem;
  padding: 3px;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.seg-tab {
  padding: 0.4rem 0.9rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  font: inherit;
  font-size: 0.84rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.seg-tab:hover { color: var(--text); }
.seg-tab.active {
  background: var(--bg-surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

/* —— Cards —— */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}
.card-title, .card-title-row .card-title {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.card-title-row { display: flex; align-items: center; justify-content: space-between; }
.card-inner { margin-top: 1rem; }
.maintenance-panel {
  margin: 0.85rem 0 1rem;
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}
.maintenance-panel .card-title { margin-bottom: 0.35rem; }
.update-status {
  margin: 0.65rem 0 0;
  padding: 0.75rem;
  max-height: 12rem;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-base);
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.5;
  white-space: pre-wrap;
}
.panel-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

/* —— Toolbar —— */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.85rem;
}
.toolbar.compact { margin-bottom: 0.6rem; }
.toolbar.wrap { margin-top: 0.4rem; }
.toolbar .input { width: auto; min-width: 120px; flex: 0 1 auto; }

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.48rem 1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn:active:not(:disabled) { transform: scale(0.97); }
.btn-primary {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: rgba(16, 185, 129, 0.4);
  font-weight: 600;
}
.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}
.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}
.btn-danger {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.28);
}
.btn-danger:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.22);
  border-color: rgba(239, 68, 68, 0.45);
}
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}
.btn-ghost:hover:not(:disabled) { color: var(--text); background: var(--bg-hover); }
.btn-block { width: 100%; }
.btn-sm { padding: 0.38rem 0.7rem; font-size: 0.8rem; }

/* —— Version split layout —— */
.split-versions {
  display: grid;
  grid-template-columns: minmax(320px, 0.34fr) 1fr;
  gap: var(--space-3);
  align-items: start;
}
@media (max-width: 900px) {
  .split-versions { grid-template-columns: 1fr; }
  .sidebar { width: 72px; }
  .sidebar .brand-name,
  .sidebar .section-label,
  .sidebar .search-wrap,
  .sidebar .new-project-row,
  .sidebar-nav span,
  .sidebar .user-label { display: none; }
  .invite-banner { left: 72px; }
  :root { --sidebar-w: 72px; }
}

/* —— Lists —— */
.version-list, .file-list, .member-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.version-sidebar {
  min-width: 0;
}
.version-list li {
  padding: 0.58rem 0.72rem;
  margin-bottom: 2px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.92rem;
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}
.version-list li:hover {
  background: var(--bg-hover);
  color: var(--text);
}
.version-list li.selected {
  background: var(--bg-active);
  color: var(--primary-hover);
  border-color: rgba(16, 185, 129, 0.15);
  font-weight: 500;
}
.file-list li {
  padding: 0.45rem 0.6rem;
  margin-bottom: 1px;
  border-radius: var(--radius);
  cursor: default;
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--text-muted);
  border: 1px solid transparent;
}
.file-list li:hover {
  background: var(--bg-hover);
}
.member-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}
.member-list li:last-child { border-bottom: none; }

/* —— Meta / Badge —— */
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.85rem;
}
.meta { font-size: 0.8rem; color: var(--text-faint); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: lowercase;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.badge:empty::before { content: "\2014"; }
.badge-ok {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.25);
  color: var(--primary-hover);
}
.badge-draft {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.25);
  color: #93c5fd;
}
.badge-warn {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fcd34d;
}

/* —— Code editor —— */
.code-editor, #serverYaml {
  width: 100%;
  min-height: 320px;
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.55;
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #0a0d12;
  color: #c9d1d9;
  resize: vertical;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.code-editor:focus, #serverYaml:focus {
  border-color: rgba(16, 185, 129, 0.35);
  box-shadow: 0 0 0 3px var(--primary-dim);
}

/* —— Upload zone —— */
.upload-zone {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.5rem;
  margin-bottom: 0.85rem;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  background: rgba(0, 0, 0, 0.15);
  color: var(--text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-base);
}
.upload-zone::before {
  content: "";
  display: block;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  margin-bottom: 0.25rem;
  background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4'/%3E%3Cpolyline points='17 8 12 3 7 8'/%3E%3Cline x1='12' y1='3' x2='12' y2='15'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 16px;
}
.upload-zone:hover {
  border-color: rgba(16, 185, 129, 0.4);
  background: var(--bg-active);
  color: var(--text);
}
.upload-zone:hover::before {
  background-color: var(--primary-dim);
  border-color: rgba(16, 185, 129, 0.25);
  background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2310b981' stroke-width='2' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4'/%3E%3Cpolyline points='17 8 12 3 7 8'/%3E%3Cline x1='12' y1='3' x2='12' y2='15'/%3E%3C/svg%3E");
}
.upload-zone input[type="file"] {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
}

/* —— Version file browser —— */
.file-browser {
  display: grid;
  grid-template-columns: minmax(16rem, 0.38fr) minmax(0, 1fr);
  gap: var(--space-3);
  min-height: 30rem;
}

.file-browser .file-list {
  min-width: 0;
  max-height: 36rem;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  padding: var(--space-2);
}

.file-preview {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0a0d12;
  overflow: hidden;
}

.file-preview-head {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}

.file-preview-path {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text);
}

.file-preview-meta {
  flex: 0 0 auto;
  font-size: 0.78rem;
  color: var(--text-faint);
}

.file-preview-body[class*="language-"] {
  min-height: 27rem;
  max-height: 35rem;
  margin: 0;
  padding: 0.85rem 1rem;
  overflow: auto;
  border: 0;
  border-radius: 0;
  background: #0a0d12;
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.55;
  white-space: pre;
}

.file-row {
  width: 100%;
  padding: 0.45rem 0.55rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.84rem;
  text-align: left;
  cursor: pointer;
}

.file-row:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.file-list .ft-root {
  height: 100%;
  min-height: 26rem;
  background: transparent;
  color: var(--text-muted);
  border: 0;
  font-family: var(--mono);
  font-size: 0.83rem;
}

.file-list .ft-toolbar {
  gap: var(--space-1);
  padding: 0 0 var(--space-2);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-2);
}

.file-list .ft-toolbar__btn {
  width: 1.85rem;
  height: 1.85rem;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.file-list .ft-toolbar__btn:hover {
  color: var(--primary-hover);
  background: var(--bg-active);
  border-color: rgba(16, 185, 129, 0.25);
}

.file-list .ft-node__content {
  min-height: 1.85rem;
  border-radius: var(--radius);
  color: var(--text-muted);
}

.file-list .ft-node__content:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.file-list .ft-node__content--selected {
  background: var(--bg-active);
  color: var(--primary-hover);
  box-shadow: inset 3px 0 0 var(--primary);
}

.file-list .ft-node__name {
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-list .ft-node__icon svg,
.file-list .ft-node__arrow svg {
  width: 0.95rem;
  height: 0.95rem;
}

@media (max-width: 960px) {
  .file-browser { grid-template-columns: 1fr; }
  .file-browser .file-list,
  .file-preview-body[class*="language-"] { max-height: 24rem; }
}

/* —— Preview —— */
.preview-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: start;
}
@media (max-width: 960px) { .preview-split { grid-template-columns: 1fr; } }

.rendered-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}
.rendered-tabs button {
  padding: 0.32rem 0.65rem;
  font-size: 0.82rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: pointer;
  font: inherit;
  transition: all var(--transition-fast);
}
.rendered-tabs button:hover { color: var(--text); border-color: var(--border-strong); }
.rendered-tabs button.active {
  background: var(--bg-active);
  color: var(--primary-hover);
  border-color: rgba(16, 185, 129, 0.25);
}

.rendered-body, .cmdbox, pre.cmdbox {
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.55;
  background: #0a0d12;
  border-radius: var(--radius);
  padding: 1rem;
  overflow: auto;
  max-height: 28rem;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  border: 1px solid var(--border);
  color: #b8c0cc;
}
input.cmdbox {
  font-family: var(--mono);
  width: 100%;
  color: var(--text);
  background: var(--bg-elevated);
}

/* —— Tables —— */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.data-table, .preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.data-table th, .preview-table th {
  padding: 0.55rem 0.75rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border);
}
.data-table td, .preview-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}
.data-table tbody tr:hover td, .preview-table tbody tr:hover td {
  background: var(--bg-hover);
  color: var(--text);
}
.data-table code, .preview-table code {
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--primary-hover);
  background: rgba(16, 185, 129, 0.06);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}
.audit-detail {
  max-width: 520px;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
}

/* —— Utility —— */
.hint { font-size: 0.8rem; color: var(--text-faint); margin: 0.4rem 0; line-height: 1.55; }
.err { color: #fca5a5; font-size: 0.84rem; margin-top: 0.5rem; }
.warn { color: #fcd34d; }
.action-add { color: var(--primary-hover); }
.action-replace { color: var(--warn); }
.action-unchanged { color: var(--text-faint); }

#versionDetail.drag {
  outline: 2px dashed rgba(16, 185, 129, 0.4);
  outline-offset: 4px;
}
.check-label {
  font-size: 0.84rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.preview-table { margin-top: 0.25rem; }

/* —— Version detail toolbar spacing —— */
.toolbar.wrap .btn { gap: 0.3rem; }

/* —— Delete project button less aggressive —— */
.workspace-title .btn-danger {
  font-size: 0.75rem;
  padding: 0.3rem 0.6rem;
  opacity: 0.75;
  transition: opacity var(--transition-fast), background var(--transition-fast);
}
.workspace-title .btn-danger:hover {
  opacity: 1;
}

/* —— Fade-in animation for panels —— */
.workspace, .global-panel, .ptab-panel {
  animation: fadeIn 0.2s ease-out;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* —— Version detail card polish —— */
.version-detail {
  border-color: var(--border-card);
}
.version-detail .meta-row {
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.85rem;
}

/* —— Version sidebar divider —— */
.version-divider {
  height: 1px;
  background: var(--border);
  margin: 0.4rem 0 0.5rem;
}

/* —— Diff tab arrow —— */
.diff-arrow {
  font-size: 1.2rem;
  color: var(--text-faint);
  padding: 0 0.25rem;
  user-select: none;
}

/* —— Preview table enhancement —— */
.preview-table {
  font-size: 0.88rem;
}
.preview-table td:nth-child(6) {
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* —— Driver.js onboarding —— */
.driver-popover.express-tour {
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.55);
}
.driver-popover.express-tour .driver-popover-title {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.35;
}
.driver-popover.express-tour .driver-popover-description {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}
.driver-popover.express-tour .driver-popover-progress-text {
  color: var(--text-faint);
}
.driver-popover.express-tour button {
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--text);
  text-shadow: none;
}
.driver-popover.express-tour .driver-popover-next-btn {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: rgba(16, 185, 129, 0.4);
}
.driver-popover.express-tour .driver-popover-close-btn {
  color: var(--text-muted);
}