:root {
  --bg: #f4f6f8;
  --bg-soft: #eef2f6;
  --panel: #ffffff;
  --panel-muted: #f8fafc;
  --border: #d9e0e7;
  --border-strong: #c8d2dc;
  --text: #1f2937;
  --text-soft: #5b6675;
  --text-dim: #8a94a3;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary: #eef2f7;
  --secondary-hover: #e3e9f1;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --success-bg: #e8f7ee;
  --success-text: #1f7a45;
  --error-bg: #fdecec;
  --error-text: #b42318;
  --running-bg: #fff4dd;
  --running-text: #9a6700;
  --shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
  --radius-xl: 16px;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --input-bg: #fff;
  --btn-text: #fff;
  --seg-active-bg: #eff6ff;
  --seg-active-border: rgba(37, 99, 235, 0.35);
  --tag-bg: #fff1f2;
}
[data-theme="dark"] {
  --bg: #0d0f14;
  --bg-soft: #151820;
  --panel: #151820;
  --panel-muted: #1a1e28;
  --border: #252a35;
  --border-strong: #353a48;
  --text: #c8cdd8;
  --text-soft: #8a94a3;
  --text-dim: #5a6070;
  --primary: #4e9eff;
  --primary-hover: #6db3ff;
  --secondary: #1a1e28;
  --secondary-hover: #202535;
  --danger: #f87171;
  --danger-hover: #fca5a5;
  --success-bg: #0f1e14;
  --success-text: #5cb85c;
  --error-bg: #1e0a0a;
  --error-text: #f87171;
  --running-bg: #1e1a0a;
  --running-text: #f0a500;
  --shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
  --input-bg: #111520;
  --btn-text: #0d0f14;
  --seg-active-bg: #1a2540;
  --seg-active-border: rgba(78, 158, 255, 0.35);
  --tag-bg: #2a1520;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  font: 13px/1.5 'Inter', 'Microsoft YaHei UI', 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
}

textarea,
input[type='text'],
input[type='url'],
input[type='password'],
input[type='number'],
select {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

textarea:focus,
input:focus,
select:focus {
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

textarea {
  resize: vertical;
  min-height: 84px;
}

.page-shell {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(0, 1.08fr);
  gap: 10px;
  min-height: 100vh;
  padding: 10px;
  max-width: 1500px;
  margin: 0 auto;
}

.sidebar-shell,
.content-shell {
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 10px;
}

.glass-card {
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.brand-card,
.panel,
.hero-card {
  border-radius: var(--radius-xl);
}

.brand-card {
  padding: 18px;
}

.brand-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.lang-toggle {
  flex: 0 0 auto;
  min-width: 58px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.brand-card h1,
.hero-card h2,
.section-heading h2 {
  margin: 0;
  letter-spacing: -0.02em;
}

.brand-card h1 {
  font-size: 24px;
  line-height: 1.15;
}

.brand-desc,
.hero-desc,
.helper-text,
.meta-label,
.muted {
  color: var(--text-soft);
}

.brand-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.badge,
.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.badge {
  background: var(--secondary);
  color: var(--text-soft);
  border: 1px solid var(--border);
}

.status-badge {
  background: var(--secondary);
  color: var(--text-soft);
  border: 1px solid var(--border);
}

.status-badge.success {
  background: var(--success-bg);
  color: var(--success-text);
  border-color: transparent;
}

.status-badge.error {
  background: var(--error-bg);
  color: var(--error-text);
  border-color: transparent;
}

.status-badge.running {
  background: var(--running-bg);
  color: var(--running-text);
  border-color: transparent;
}

.panel {
  padding: 16px;
}

.prompts-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.section-heading h2 {
  font-size: 17px;
}

.segmented-control {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}

.segmented-item,
.primary-btn,
.secondary-btn,
.danger-btn,
.ghost-btn {
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.segmented-item,
.secondary-btn,
.ghost-btn {
  border-radius: var(--radius-md);
  color: var(--text);
}

.segmented-item {
  padding: 9px 12px;
  background: var(--input-bg);
  border: 1px solid var(--border);
}

.segmented-item.active {
  background: var(--seg-active-bg);
  border-color: var(--seg-active-border);
  color: var(--primary);
}

.primary-btn,
.secondary-btn,
.danger-btn,
.ghost-btn {
  padding: 9px 13px;
  font-weight: 700;
  border-radius: var(--radius-md);
}

.primary-btn.large,
.secondary-btn.large,
.danger-btn.large {
  min-width: 132px;
  padding: 10px 14px;
}

.primary-btn {
  color: var(--btn-text);
  background: var(--primary);
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.18);
}

.primary-btn:hover {
  background: var(--primary-hover);
}

.secondary-btn {
  background: var(--secondary);
  color: var(--text);
  border: 1px solid var(--border);
}

.secondary-btn:hover {
  background: var(--secondary-hover);
}

.danger-btn {
  background: var(--danger);
  color: var(--btn-text);
}

.danger-btn:hover {
  background: var(--danger-hover);
}

.ghost-btn {
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text-soft);
}

.ghost-btn:hover,
.segmented-item:hover {
  background: var(--panel-muted);
}

.primary-btn:disabled,
.secondary-btn:disabled,
.danger-btn:disabled,
.ghost-btn:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field.full {
  grid-column: 1 / -1;
}

.field > span {
  color: var(--text-soft);
  font-weight: 600;
  font-size: 12px;
}

.inline-field {
  flex-direction: row;
  align-items: center;
}

.checkbox-field {
  gap: 8px;
  padding: 4px 2px;
}

.checkbox-field input {
  width: 16px;
  height: 16px;
}

.secret-input-row,
.path-row,
.action-row,
.hero-actions,
.preview-meta,
.log-header-line,
.preset-toolbar {
  display: flex;
  gap: 8px;
}

.secret-input-row .ghost-btn,
.path-row .secondary-btn {
  flex: 0 0 auto;
}

.action-row {
  flex-wrap: wrap;
  align-items: center;
}

.action-row.compact {
  margin-top: 12px;
}

.preset-toolbar {
  align-items: flex-end;
  margin-top: 12px;
}

.preset-toolbar.save-row {
  margin-top: 8px;
}

.preset-save-field {
  flex: 1 1 auto;
}

.preset-select-field {
  flex: 1 1 auto;
}

.preset-select-field select,
.preset-select-field input {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  outline: none;
}

.preset-select-field select:focus,
.preset-select-field input:focus {
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.danger-ghost-btn {
  color: var(--danger);
  border-color: rgba(220, 38, 38, 0.2);
}

.combobox {
  position: relative;
  display: flex;
  align-items: stretch;
}

.combobox input {
  flex: 1 1 auto;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
}

.combobox-btn {
  flex: 0 0 auto;
  width: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-left: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-soft);
  cursor: pointer;
  font-size: 11px;
  padding: 0;
  transition: background 0.18s ease;
}

.combobox-btn:hover {
  background: var(--panel-muted);
}

.combobox input:focus,
.combobox input:focus + .combobox-btn {
  border-color: rgba(37, 99, 235, 0.45);
}

.combobox input:focus {
  box-shadow: -4px 0 0 4px rgba(37, 99, 235, 0.1);
}

.combobox-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 32px;
  z-index: 100;
  max-height: 200px;
  overflow-y: auto;
  background: var(--input-bg);
  border: 1px solid var(--border-strong);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.12);
}

.combobox-dropdown[hidden] {
  display: none;
}

.combobox-option {
  padding: 8px 12px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text);
  transition: background 0.12s ease;
}

.combobox-option:hover,
.combobox-option.active {
  background: var(--seg-active-bg);
  color: var(--primary);
}

.combobox-option.no-match {
  color: var(--text-dim);
  cursor: default;
  font-style: italic;
}

.combobox-option.no-match:hover {
  background: transparent;
  color: var(--text-dim);
}

.danger-ghost-btn:hover {
  background: var(--tag-bg);
}

.action-row.mini {
  gap: 8px;
}

.helper-text {
  margin: 10px 0 0;
  font-size: 11px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin-top: 8px;
}

.stat-card {
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  background: var(--panel-muted);
  border: 1px solid var(--border);
  text-align: center;
}

.stat-label,
.meta-label {
  display: block;
  margin-bottom: 2px;
  font-size: 11px;
}

.stat-card strong,
.preview-meta strong {
  font-size: 14px;
}

.hero-card {
  padding: 18px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.hero-desc {
  margin: 10px 0 0;
  max-width: 760px;
}

.hero-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 10px;
  min-height: 0;
}

.preview-panel,
.output-panel {
  min-height: 0;
}

.preview-stage {
  position: relative;
  min-height: 360px;
  border-radius: var(--radius-lg);
  background: var(--panel-muted);
  border: 1px dashed var(--border-strong);
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 16px;
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.preview-stage.drag-active {
  border-color: rgba(37, 99, 235, 0.72);
  background: var(--seg-active-bg);
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.08);
}

.preview-stage img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.preview-stage img[hidden] {
  display: none;
}

.preview-placeholder {
  max-width: 320px;
  padding: 20px;
  text-align: center;
  color: var(--text-soft);
}

.preview-placeholder p {
  margin: 0;
}

.preview-drop-hint {
  margin-top: 10px !important;
  font-size: 12px;
  color: var(--text-dim);
}

.preview-meta {
  justify-content: space-between;
  margin-top: 12px;
}

.output-panel textarea {
  min-height: 220px;
}

.log-block {
  margin-top: 12px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #0f172a;
  color: #e2e8f0;
  overflow: hidden;
}

.log-header-line {
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04);
  font-size: 12px;
}

.log-output {
  margin: 0;
  padding: 12px;
  max-height: 280px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font: 12px/1.6 Consolas, 'Courier New', monospace;
}

@media (max-width: 1100px) {
  .page-shell,
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .page-shell {
    padding: 8px;
  }

  .form-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .preview-stage {
    min-height: 280px;
  }

  .brand-topbar,
  .section-heading,
  .preview-meta,
  .preset-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
}