/**
 * StepFun Image Studio — Obsidian Forge
 *
 * Design Direction:
 * A premium creative instrument, not a generic SaaS dashboard.
 * Inspired by Figma's precision, Darkroom's cinematic warmth,
 * and the quiet confidence of high-end creative tools.
 *
 * Palette: Deep blue-black with amber fire accents.
 * Typography: DM Sans (geometric, modern) + JetBrains Mono (values).
 * Motion: Purposeful, satisfying, never decorative.
 */

/* ═══════════════════════════════════════════
   01. DESIGN TOKENS
   ═══════════════════════════════════════════ */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* ─── Surfaces: blue-black depth ─── */
  --bg:         #08090c;
  --bg-surface: #0e1015;
  --bg-raised:  #15171d;
  --bg-hover:   #1c1f27;
  --bg-active:  #24272f;

  /* ─── Text hierarchy ─── */
  --text:       #ecedf0;
  --text-2:     #8b8f9a;
  --text-3:     #555861;
  --text-4:     #33363e;

  /* ─── Borders ─── */
  --border:     #1a1d24;
  --border-2:   #2a2d36;
  --border-3:   #3d414c;

  /* ─── Accent: amber fire ─── */
  --accent:     #ff7b4f;
  --accent-2:   #e85d3a;
  --accent-soft: rgba(255,123,79,.08);
  --accent-glow: rgba(255,123,79,.2);
  --accent-gradient: linear-gradient(135deg, #ff7b4f 0%, #e85d3a 100%);

  /* ─── Secondary: cool teal (for subtle contrast) ─── */
  --secondary:     #4ecdc4;
  --secondary-soft: rgba(78,205,196,.06);

  /* ─── Semantic ─── */
  --success:    #34d399;
  --success-soft: rgba(52,211,153,.08);
  --warn:       #fbbf24;
  --warn-soft:  rgba(251,191,36,.08);
  --danger:     #f87171;
  --danger-soft: rgba(248,113,113,.08);

  /* ─── Radii ─── */
  --radius:     12px;
  --radius-sm:  8px;
  --radius-xs:  6px;
  --radius-full: 9999px;

  /* ─── Shadows: layered depth ─── */
  --shadow-sm:  0 1px 2px rgba(0,0,0,.4);
  --shadow:     0 2px 8px rgba(0,0,0,.35), 0 0 1px rgba(0,0,0,.3);
  --shadow-md:  0 4px 20px rgba(0,0,0,.4), 0 0 1px rgba(0,0,0,.3);
  --shadow-lg:  0 8px 40px rgba(0,0,0,.45), 0 0 1px rgba(0,0,0,.3);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.55);

  /* ─── Motion ─── */
  --ease:       cubic-bezier(.22,1,.36,1);
  --ease-bounce: cubic-bezier(.34,1.56,.64,1);
  --ease-spring: cubic-bezier(.175,.885,.32,1.1);
  --transition-fast: all .12s var(--ease);
  --transition:      all .22s var(--ease);
  --transition-slow: all .4s var(--ease);

  /* ─── Layout ─── */
  --sidebar-w:  320px;
  --topbar-h:   52px;
}

/* ─── Light Theme ─── */

[data-theme="light"] {
  --bg:         #f5f5f7;
  --bg-surface: #ffffff;
  --bg-raised:  #edeef0;
  --bg-hover:   #e3e4e8;
  --bg-active:  #d8d9de;

  --text:       #111214;
  --text-2:     #555560;
  --text-3:     #8a8a96;
  --text-4:     #b5b5bf;

  --border:     #dddee3;
  --border-2:   #c8c9cf;
  --border-3:   #b0b1b8;

  --accent:     #e85d3a;
  --accent-2:   #d04820;
  --accent-soft: rgba(232,93,58,.06);
  --accent-glow: rgba(232,93,58,.12);
  --accent-gradient: linear-gradient(135deg, #e85d3a 0%, #d04820 100%);

  --success:    #059669;
  --success-soft: rgba(5,150,105,.06);
  --warn:       #d97706;
  --warn-soft:  rgba(217,119,6,.06);
  --danger:     #dc2626;
  --danger-soft: rgba(220,38,38,.06);

  --shadow-sm:  0 1px 2px rgba(0,0,0,.04);
  --shadow:     0 2px 8px rgba(0,0,0,.05), 0 0 1px rgba(0,0,0,.04);
  --shadow-md:  0 4px 20px rgba(0,0,0,.07);
  --shadow-lg:  0 8px 40px rgba(0,0,0,.09);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.12);
}

/* Light theme: override hardcoded dark colors */
[data-theme="light"] .topbar {
  background: rgba(255,255,255,.82);
  border-bottom-color: var(--border);
}
[data-theme="light"] .loading-overlay {
  background: rgba(245,245,247,.92);
}
[data-theme="light"] .fullscreen-overlay {
  background: rgba(0,0,0,.85);
}
[data-theme="light"] .preview-area {
  background:
    repeating-conic-gradient(#f0f0f2 0% 25%, #e8e8ea 0% 50%) 0 0 / 20px 20px;
}
[data-theme="light"] .preview-area.has-image {
  background: var(--bg);
}
[data-theme="light"] .preview-actions {
  background: linear-gradient(transparent, rgba(0,0,0,.45));
}
[data-theme="light"] .preview-action-btn {
  background: rgba(255,255,255,.7);
  border-color: rgba(0,0,0,.1);
  color: rgba(0,0,0,.7);
}
[data-theme="light"] .preview-action-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
[data-theme="light"] .cmd-palette-overlay {
  background: rgba(0,0,0,.3);
}
[data-theme="light"] .modal-overlay {
  background: rgba(0,0,0,.35);
}
[data-theme="light"] .batch-checkbox {
  border-color: rgba(0,0,0,.2);
  background: rgba(255,255,255,.7);
}
[data-theme="light"] .batch-checkbox svg {
  stroke: var(--text);
}
[data-theme="light"] .toast {
  backdrop-filter: blur(16px) saturate(1.2);
}
[data-theme="light"] .success-toast {
  background: rgba(5,150,105,.1);
  border-color: rgba(5,150,105,.2);
}
[data-theme="light"] .error-toast {
  background: rgba(220,38,38,.1);
  border-color: rgba(220,38,38,.2);
}

/* ═══════════════════════════════════════════
   02. BASE
   ═══════════════════════════════════════════ */

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -.01em;
}

::selection {
  background: rgba(255,123,79,.25);
  color: #fff;
}

/* ═══════════════════════════════════════════
   03. BACKGROUND ATMOSPHERE
   ═══════════════════════════════════════════ */

.bg-grain {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px;
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 900px 600px at 10% 0%, rgba(255,123,79,.03), transparent 70%),
    radial-gradient(ellipse 700px 700px at 90% 100%, rgba(78,205,196,.02), transparent 70%),
    radial-gradient(ellipse 500px 400px at 50% 50%, rgba(255,123,79,.015), transparent 60%);
}

/* ═══════════════════════════════════════════
   04. TOPBAR — floating glass strip
   ═══════════════════════════════════════════ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--topbar-h);
  padding: 0 18px;
  background: rgba(8,9,12,.75);
  backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  transition: var(--transition);
}
.logo:hover {
  transform: scale(1.08) rotate(-2deg);
}
.logo img {
  width: 100%;
  height: 100%;
  display: block;
}

.topbar-title h1 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--text);
  line-height: 1.2;
}

.topbar-sub {
  font-size: 9px;
  color: var(--text-3);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  font-weight: 600;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Topbar icon buttons — minimal, no border by default */
.topbar-right .btn--ghost {
  border: none;
  background: transparent;
  padding: 6px 10px;
  font-size: 11px;
  color: var(--text-3);
  gap: 5px;
}
.topbar-right .btn--ghost:hover {
  color: var(--text);
  background: var(--bg-hover);
}
.topbar-right .btn--ghost svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.icon-btn { padding: 6px !important; }

/* Command palette trigger */
.cmd-trigger {
  gap: 4px;
  padding: 4px 8px !important;
  border: 1px solid var(--border) !important;
  background: var(--bg-raised) !important;
}
.cmd-trigger kbd {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 9px;
  font-weight: 600;
  color: var(--text-4);
  padding: 1px 4px;
  border: 1px solid var(--border-2);
  border-radius: 3px;
  background: var(--bg);
  line-height: 1.2;
}
.cmd-trigger:hover {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}

/* Theme toggle icons */
[data-theme="light"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon,
:root:not([data-theme]) .icon-moon { display: none; }

/* ─── Mode Switcher (Segmented Control) ─── */

.mode-switcher {
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--bg-raised);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.mode-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 16px;
  border: none;
  background: transparent;
  color: var(--text-3);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-xs);
  transition: var(--transition-fast);
  letter-spacing: -.01em;
  white-space: nowrap;
}
.mode-btn svg { flex-shrink: 0; }
.mode-btn:hover { color: var(--text-2); background: var(--bg-hover); }
.mode-btn.active {
  color: #fff;
  background: var(--accent-gradient);
  box-shadow: 0 2px 10px var(--accent-glow);
  font-weight: 600;
}

/* Key display badge */
#settings-key-display {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 10px;
  letter-spacing: .02em;
}
#account-balance {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 10px;
}

/* ═══════════════════════════════════════════
   05. WORKSPACE LAYOUT
   ═══════════════════════════════════════════ */

.app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.workspace {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr 260px;
  min-height: calc(100vh - var(--topbar-h));
}

/* ═══════════════════════════════════════════
   06. SIDEBAR — control surface
   ═══════════════════════════════════════════ */

.sidebar {
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 14px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}
.sidebar::-webkit-scrollbar { width: 3px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }

/* ─── Tab Switcher ─── */

.sidebar-tabs {
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--bg-raised);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  border: 1px solid var(--border);
}

.sidebar-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: var(--text-3);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-xs);
  transition: var(--transition-fast);
  position: relative;
  letter-spacing: -.01em;
}
.sidebar-tab svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}
.sidebar-tab:hover {
  color: var(--text-2);
  background: var(--bg-hover);
}
.sidebar-tab.active {
  color: #fff;
  background: var(--accent-gradient);
  box-shadow: 0 2px 12px var(--accent-glow);
  font-weight: 600;
}

/* Hide sidebar tabs on desktop (topbar mode switcher is used) */
@media (min-width: 961px) {
  .sidebar-tabs { display: none; }
}

/* ─── Panel & Sections ─── */

.sidebar-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: panelIn .25s var(--ease);
}
.sidebar-panel[hidden] { display: none; }

@keyframes panelIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.sidebar-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: .6px;
  text-transform: uppercase;
}

/* ─── Textarea ─── */

.sidebar-textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.6;
  resize: vertical;
  min-height: 100px;
  outline: none;
  transition: var(--transition);
}
.sidebar-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft), inset 0 0 0 1px rgba(255,123,79,.1);
  background: var(--bg-raised);
}
.sidebar-textarea::placeholder {
  color: var(--text-4);
  font-style: italic;
}

/* ─── Generate Button ─── */

.btn--generate {
  width: 100%;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.01em;
  position: relative;
  overflow: hidden;
}
.btn--generate::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.18) 0%, transparent 50%);
  opacity: 0;
  transition: opacity .3s;
}
.btn--generate:hover::before {
  opacity: 1;
}

/* 生成中加载态 */
.btn--loading {
  opacity: .7;
  cursor: wait !important;
  pointer-events: none;
  position: relative;
}
.btn--loading::after {
  content: '';
  position: absolute;
  left: 8px;
  top: 50%;
  width: 14px; height: 14px;
  margin-top: -7px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

/* ─── Collapsible Details ─── */

.sidebar-details {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}
.sidebar-details:hover {
  border-color: var(--border-2);
}

.sidebar-summary {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 12px;
  background: var(--bg-raised);
  color: var(--text-2);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  transition: var(--transition-fast);
  user-select: none;
}
.sidebar-summary::-webkit-details-marker { display: none; }
.sidebar-summary::after {
  content: '';
  margin-left: auto;
  width: 0; height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4.5px solid var(--text-3);
  transition: transform .25s var(--ease);
}
.sidebar-details[open] > .sidebar-summary::after {
  transform: rotate(180deg);
}
.sidebar-summary:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.sidebar-params {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  border-top: 1px solid var(--border);
}

.param-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.param-row--full {
  flex-direction: column;
  align-items: stretch;
}

.param-label {
  font-size: 11px;
  color: var(--text-3);
  min-width: 56px;
  flex-shrink: 0;
  font-weight: 500;
  letter-spacing: .02em;
}

.param-input,
.param-select {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 7px 10px;
  color: var(--text);
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 12px;
  outline: none;
  transition: var(--transition-fast);
}
.param-input:focus,
.param-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}
.param-input::placeholder { color: var(--text-4); }

.param-range {
  flex: 1;
  min-width: 0;
  -webkit-appearance: none;
  height: 3px;
  border-radius: 2px;
  background: var(--border-2);
  outline: none;
  transition: var(--transition-fast);
}
.param-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 1px 6px var(--accent-glow);
  transition: var(--transition-fast);
}
.param-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 2px 10px var(--accent-glow);
}

.param-hint {
  font-size: 9px;
  color: var(--text-4);
  flex-shrink: 0;
  text-align: right;
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  letter-spacing: .02em;
  white-space: nowrap;
}

/* ═══════════════════════════════════════════
   07. PREVIEW PANEL — the canvas
   ═══════════════════════════════════════════ */

.preview-panel {
  padding: 14px;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  height: calc(100vh - var(--topbar-h));
  overflow: hidden;
}

.preview-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  min-height: 0;
}

.preview-area {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    repeating-conic-gradient(var(--bg-raised) 0% 25%, var(--bg) 0% 50%) 0 0 / 20px 20px;
}
.preview-area.has-image {
  background: var(--bg);
}
.preview-area.has-image .preview-placeholder {
  display: none;
}

.preview-placeholder {
  text-align: center;
  color: var(--text-3);
  padding: 40px 20px;
  position: relative;
  z-index: 1;
}
.preview-placeholder svg {
  width: 48px; height: 48px;
  margin-bottom: 14px;
  opacity: .08;
  color: var(--accent);
}
.preview-placeholder p {
  font-size: 12px;
  opacity: .35;
  font-weight: 400;
  letter-spacing: .02em;
}

.preview-area img.preview-img {
  display: block;
  max-width: calc(100% - 24px);
  max-height: calc(100% - 24px);
  object-fit: contain;
  animation: imgIn .5s var(--ease);
  position: relative;
  z-index: 1;
  border-radius: 4px;
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}

@keyframes imgIn {
  from { opacity: 0; transform: scale(.95); filter: blur(6px) brightness(1.1); }
  to { opacity: 1; transform: scale(1); filter: blur(0) brightness(1); }
}

/* ─── Preview Action Bar ─── */

.preview-actions {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 12px;
  background: linear-gradient(transparent, rgba(0,0,0,.55));
  opacity: .4;
  transform: translateY(4px);
  transition: all .3s var(--ease);
  z-index: 5;
}
.preview-area:hover .preview-actions,
.preview-actions:focus-within {
  opacity: 1;
  transform: translateY(0);
}

.preview-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(12px);
  color: rgba(255,255,255,.8);
  cursor: pointer;
  transition: var(--transition-fast);
}
.preview-action-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(255,123,79,.35);
}
.preview-action-btn svg {
  width: 15px;
  height: 15px;
}
.preview-action-btn .tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 4px 8px;
  background: var(--bg-active);
  color: var(--text);
  font-size: 10px;
  font-weight: 500;
  border-radius: 5px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all .2s var(--ease);
  border: 1px solid var(--border-2);
}
.preview-action-btn:hover .tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.preview-action-btn[data-action="delete"]:hover {
  background: var(--danger);
  border-color: var(--danger);
  box-shadow: 0 4px 16px rgba(248,113,113,.35);
}

/* ─── Loading Overlay ─── */

.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8,9,12,.88);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 14px;
  z-index: 10;
  backdrop-filter: blur(16px);
}
.loading-overlay.active { display: flex; }

.spinner {
  width: 28px; height: 28px;
  border: 2px solid var(--border-2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-text {
  font-size: 11px;
  color: var(--text-2);
  letter-spacing: .4px;
  font-weight: 500;
}

.enhancing-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 28px;
  color: var(--text-2);
  font-size: 12px;
}
.enhancing-spinner .spinner {
  width: 16px; height: 16px;
  border-width: 2px;
}

/* ═══════════════════════════════════════════
   08. HISTORY PANEL
   ═══════════════════════════════════════════ */

.history-panel {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
  background: var(--bg-surface);
  height: calc(100vh - var(--topbar-h));
  overflow: hidden;
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.history-title {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: .8px;
  text-transform: uppercase;
}

.history-actions {
  display: flex;
  gap: 3px;
}

.history-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}
.history-list::-webkit-scrollbar { width: 3px; }
.history-list::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }

/* List-mode history items */
.history-list .history-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: var(--radius-xs);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
  aspect-ratio: unset;
}
.history-list .history-item:hover {
  border-color: var(--border-2);
  background: var(--bg-hover);
  transform: none;
  box-shadow: none;
}
.history-list .history-item img {
  width: 40px;
  height: 40px;
  border-radius: 5px;
  object-fit: cover;
  flex-shrink: 0;
}
.history-item-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.history-item-prompt {
  font-size: 11px;
  color: var(--text);
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}
.history-list .history-item .meta {
  position: static;
  font-size: 9px;
  color: var(--text-4);
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  opacity: 1;
  transform: none;
  padding: 0;
  background: none;
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  letter-spacing: .02em;
}

/* Grid-mode history items (gallery modal) */
.history-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 6px;
}

.history-item {
  aspect-ratio: 1;
  border-radius: var(--radius-xs);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  background: var(--bg-raised);
}
.history-grid .history-item:hover,
.history-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 6px 20px rgba(255,123,79,.12);
}
.history-grid .history-item img,
.history-item img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.history-grid .history-item .meta,
.history-item .meta {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 14px 6px 4px;
  background: linear-gradient(transparent, rgba(0,0,0,.65));
  font-size: 8px;
  color: rgba(255,255,255,.65);
  opacity: 0;
  transform: translateY(4px);
  transition: var(--transition-fast);
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
}
.history-grid .history-item:hover .meta,
.history-item:hover .meta {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Batch Selection ─── */

.batch-checkbox {
  position: absolute;
  top: 5px; left: 5px;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.35);
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  cursor: pointer;
  transition: var(--transition-fast);
}
.batch-checkbox svg {
  opacity: 0;
  stroke: #fff;
  transition: var(--transition-fast);
}
.batch-checkbox.selected {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}
.batch-checkbox.selected svg { opacity: 1; }
.batch-checkbox:hover {
  border-color: var(--accent);
  transform: scale(1.1);
}

.batch-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  margin: 6px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  animation: slideUp .3s var(--ease);
}
.batch-count {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  margin-right: auto;
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Pagination ─── */

.history-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 8px 0;
  flex-shrink: 0;
  border-top: 1px solid var(--border);
}
.history-pager:empty { display: none; }

.pager-btn {
  width: 26px; height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-3);
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: var(--transition-fast);
}
.pager-btn:hover:not(:disabled) {
  border-color: var(--border-2);
  color: var(--text);
  background: var(--bg-hover);
}
.pager-btn.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
  font-weight: 700;
  box-shadow: 0 2px 8px var(--accent-glow);
}
.pager-btn:disabled {
  opacity: .2;
  cursor: not-allowed;
}

/* ═══════════════════════════════════════════
   09. BUTTONS
   ═══════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  letter-spacing: -.01em;
  white-space: nowrap;
  position: relative;
}

.btn--primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 2px 14px var(--accent-glow);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(255,123,79,.3);
}
.btn--primary:active {
  transform: translateY(0) scale(.97);
  box-shadow: 0 1px 6px var(--accent-glow);
}
.btn--primary:disabled {
  opacity: .35;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
}
.btn--ghost:hover {
  border-color: var(--border-2);
  color: var(--text);
  background: var(--bg-hover);
}
.btn--ghost:active {
  background: var(--bg-active);
}

.btn--sm {
  padding: 5px 10px;
  font-size: 11px;
  border-radius: var(--radius-xs);
}

/* ═══════════════════════════════════════════
   10. CHIPS
   ═══════════════════════════════════════════ */

.chip {
  padding: 5px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-3);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}
.chip:hover {
  border-color: var(--border-2);
  color: var(--text-2);
  background: var(--bg-hover);
}
.chip.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 10px var(--accent-glow);
}

/* 类目 chips 容器：可滚动 */
.style-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 140px;
  overflow-y: auto;
  padding-right: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}
.style-chips::-webkit-scrollbar { width: 3px; }
.style-chips::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }
.template-categories { margin-bottom: 8px; }

/* ═══════════════════════════════════════════
   11. TEMPLATE CARDS
   ═══════════════════════════════════════════ */

.template-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 240px;
  overflow-y: auto;
  padding-right: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}
.template-buttons::-webkit-scrollbar { width: 3px; }
.template-buttons::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }

.template-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-raised);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
  font-family: inherit;
  color: var(--text);
  padding: 0;
  width: 88px;
  flex-shrink: 0;
}
.template-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255,123,79,.12);
}
.template-card.clicked {
  border-color: var(--success);
  box-shadow: 0 0 0 2px var(--success-soft);
}
.template-card-img {
  width: 100%;
  height: 72px;
  overflow: hidden;
  background: var(--bg-hover);
}
.template-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s var(--ease);
}
.template-card:hover .template-card-img img {
  transform: scale(1.08);
}
.template-card-info {
  padding: 4px 6px;
}
.template-card-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-2);
  line-height: 1.3;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ═══════════════════════════════════════════
   11b. INLINE PROMPT ENHANCE
   ═══════════════════════════════════════════ */

.btn--inline-enhance {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  font-size: 10px;
  color: var(--text-3);
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: var(--transition-fast);
  margin-top: 4px;
  align-self: flex-start;
  font-family: inherit;
  font-weight: 500;
}
.btn--inline-enhance:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}
.btn--inline-enhance.loading {
  opacity: .6;
  pointer-events: none;
}
.btn--inline-enhance.loading .enhance-icon {
  animation: spin .7s linear infinite;
}
.enhance-icon {
  font-size: 11px;
  color: var(--accent);
}

.inline-enhance-result {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .35s var(--ease), opacity .25s var(--ease), margin .25s var(--ease);
  margin-top: 0;
}
.inline-enhance-result.active {
  max-height: 300px;
  opacity: 1;
  margin-top: 6px;
}

.inline-enhance-loading {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  font-size: 11px;
  color: var(--text-3);
  background: var(--bg-raised);
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
}
.inline-enhance-loading .spinner {
  width: 14px; height: 14px;
  border-width: 2px;
  flex-shrink: 0;
}

.inline-enhance-content {
  background: var(--bg-raised);
  border: 1px solid var(--accent);
  border-radius: var(--radius-xs);
  overflow: hidden;
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.inline-enhance-text {
  padding: 10px 12px;
  font-size: 12px;
  color: var(--text);
  line-height: 1.6;
  max-height: 120px;
  overflow-y: auto;
  cursor: text;
  user-select: all;
}

.inline-enhance-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 8px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.inline-enhance-action {
  padding: 4px 10px;
  border: none;
  border-radius: var(--radius-xs);
  font-family: inherit;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}
.inline-enhance-action--use {
  background: var(--accent-gradient);
  color: #fff;
  margin-right: auto;
}
.inline-enhance-action--use:hover { opacity: .9; }
.inline-enhance-action--regen {
  background: transparent;
  color: var(--text-3);
  border: 1px solid var(--border);
}
.inline-enhance-action--regen:hover {
  color: var(--text);
  border-color: var(--border-2);
}
.inline-enhance-action--dismiss {
  background: transparent;
  color: var(--text-4);
  padding: 3px 5px;
}
.inline-enhance-action--dismiss:hover {
  color: var(--danger);
}

/* Legacy .template-btn (prompt library etc.) */
.template-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 7px 9px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: left;
  font-family: inherit;
  color: var(--text);
}
.template-btn:hover {
  border-color: var(--border-2);
  background: var(--bg-hover);
}
.template-btn-name {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
}
.template-btn-prompt {
  font-size: 10px;
  color: var(--text-3);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ═══════════════════════════════════════════
   12. FILE UPLOAD ZONE
   ═══════════════════════════════════════════ */

.upload-zone {
  border: 1.5px dashed var(--border-2);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  background: var(--bg);
}
.upload-zone:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.upload-zone.has-file {
  border-color: var(--success);
  border-style: solid;
  background: var(--success-soft);
}
.upload-zone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}
.upload-zone-content svg {
  width: 24px; height: 24px;
  color: var(--text-3);
}
.upload-zone:hover .upload-zone-content svg {
  color: var(--accent);
}
.upload-zone-content p {
  font-size: 11px;
  color: var(--text-3);
}
.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.upload-preview {
  max-width: 100%;
  max-height: 120px;
  border-radius: var(--radius-xs);
  object-fit: contain;
  margin-top: 6px;
}
.file-name {
  font-weight: 600;
  color: var(--success);
  font-size: 11px;
}

/* ═══════════════════════════════════════════
   13. TOAST NOTIFICATIONS
   ═══════════════════════════════════════════ */

.toast {
  position: fixed;
  top: calc(var(--topbar-h) + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-12px);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 500;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  max-width: 380px;
  min-width: 140px;
  text-align: center;
  backdrop-filter: blur(16px);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.toast.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.success-toast {
  background: rgba(52,211,153,.12);
  color: var(--success);
  border: 1px solid rgba(52,211,153,.2);
}
.error-toast {
  background: rgba(248,113,113,.12);
  color: var(--danger);
  border: 1px solid rgba(248,113,113,.2);
}

/* ═══════════════════════════════════════════
   14. TASK PANEL
   ═══════════════════════════════════════════ */

.task-panel {
  position: fixed;
  right: 14px;
  bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 50;
  pointer-events: none;
}
.task-panel.has-tasks { pointer-events: auto; }

.task-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  min-width: 220px;
  max-width: 300px;
  box-shadow: var(--shadow-md);
  animation: slideUp .3s var(--ease);
  transition: var(--transition);
}
.task-item.fading {
  opacity: 0;
  transform: translateX(20px);
}

.task-item-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.task-item-id {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 9px;
  color: var(--text-4);
  font-weight: 600;
}
.task-item-status {
  font-size: 10px;
  color: var(--text-2);
  flex: 1;
}
.task-item-actions {
  display: flex;
  gap: 3px;
}
.task-item-cancel,
.task-item-retry {
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  padding: 2px;
  font-size: 14px;
  line-height: 1;
  border-radius: 4px;
  transition: var(--transition-fast);
}
.task-item-cancel:hover { color: var(--danger); background: var(--danger-soft); }
.task-item-retry:hover { color: var(--accent); background: var(--accent-soft); }

.task-item-prompt {
  font-size: 10px;
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 8px;
}
.task-item-error {
  font-size: 10px;
  color: var(--danger);
  line-height: 1.5;
  margin-top: 6px;
  padding: 5px 7px;
  background: var(--danger-soft);
  border-radius: var(--radius-xs);
  word-break: break-all;
}

.task-item-bar-wrap {
  height: 2px;
  background: var(--border);
  border-radius: 1px;
  overflow: hidden;
}
.task-item-bar {
  height: 100%;
  width: 60%;
  background: var(--accent-gradient);
  border-radius: 1px;
  transition: width .3s var(--ease);
}
.task-item[data-status="done"] .task-item-bar {
  background: var(--success);
}
.task-item[data-status="error"] .task-item-bar {
  background: var(--danger);
}

/* ═══════════════════════════════════════════
   15. MODALS
   ═══════════════════════════════════════════ */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.active { display: flex; }

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  animation: modalIn .25s var(--ease);
  box-shadow: var(--shadow-xl);
}
.modal--prompt { max-width: 560px; }
.modal--account { max-width: 380px; }
.modal--gallery { max-width: 640px; }
.modal--settings { max-width: 600px; }
.modal--confirm { max-width: 360px; text-align: center; }
.modal--confirm .modal-body { padding: 20px 24px 8px; }
.modal--confirm .modal-icon { font-size: 28px; display: block; margin-bottom: 10px; }
.modal--confirm .modal-msg { color: var(--text-2); font-size: 13px; line-height: 1.6; }
.modal--confirm .modal-footer { justify-content: center; gap: 10px; padding: 12px 24px 20px; }

/* Modal close button */
.modal-close-btn {
  position: absolute;
  top: 12px; right: 12px;
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
  border-radius: 6px;
  transition: var(--transition-fast);
}
.modal-close-btn:hover {
  color: var(--text);
  background: var(--bg-hover);
}
.modal-close-btn svg {
  width: 16px; height: 16px;
}

/* Make modal-header relative for close button positioning */
.modal-header {
  position: relative;
}

/* ─── Prompt Modal Sections ─── */

.modal-section {
  margin-bottom: 12px;
}
.modal-section label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 6px;
  letter-spacing: .02em;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.badge-original {
  background: var(--bg-hover);
  color: var(--text-3);
}
.badge-enhanced {
  background: var(--accent-soft);
  color: var(--accent);
}

.modal-textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 8px 10px;
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: var(--transition-fast);
}
.modal-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}
.modal-textarea[readonly] {
  opacity: .7;
  cursor: default;
}

.modal-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(.96) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 16px 18px 0;
}
.modal-header h3 {
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: -.02em;
}
.modal-icon { font-size: 15px; }

.modal-body {
  padding: 14px 20px;
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
}

.modal-footer {
  padding: 0 18px 14px;
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

/* ─── Gallery Grid ─── */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 5px;
  max-height: 50vh;
  overflow-y: auto;
  padding: 2px;
}

.gallery-item {
  aspect-ratio: 1;
  border-radius: var(--radius-xs);
  overflow: hidden;
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
  background: var(--bg-raised);
}
.gallery-item:hover {
  border-color: var(--accent);
  transform: scale(1.03);
  box-shadow: 0 4px 12px rgba(255,123,79,.1);
}
.gallery-item.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
.gallery-item.selected::after {
  content: '✓';
  position: absolute;
  top: 3px; right: 3px;
  background: var(--accent);
  color: #fff;
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 800;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }

.gallery-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--text-4);
  font-size: 9px;
}
.gallery-placeholder svg {
  width: 24px; height: 24px;
  opacity: .3;
}
.gallery-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 30px;
  color: var(--text-3);
  font-size: 12px;
}

/* ─── Account Info ─── */

.account-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.account-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  background: var(--bg-raised);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.account-row .label {
  font-size: 11px;
  color: var(--text-2);
}
.account-row .value {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
}
.account-row .value.warning { color: var(--warn); }
.account-row .value.danger { color: var(--danger); }
.account-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent);
  text-decoration: none;
  font-size: 11px;
  font-weight: 500;
  margin-top: 4px;
}
.account-link:hover {
  text-decoration: underline;
}

/* ─── Settings Modal ─── */

.settings-desc {
  font-size: 11px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 8px;
}

.settings-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 9px 12px;
  color: var(--text);
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 12px;
  outline: none;
  transition: var(--transition);
}
.settings-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ─── Detail Modal ─── */

.modal--detail {
  max-width: 520px;
}

.detail-image {
  padding: 12px;
  text-align: center;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.detail-image img {
  max-width: 100%;
  max-height: 300px;
  border-radius: var(--radius-xs);
  object-fit: contain;
}

.detail-section {
  margin-bottom: 10px;
}
.detail-section label {
  font-size: 9px;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: .8px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

.detail-prompt {
  font-size: 13px;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg-raised);
  padding: 8px 10px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
  word-break: break-all;
  max-height: 100px;
  overflow-y: auto;
}

.detail-param-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  font-size: 11px;
  border-bottom: 1px solid var(--border);
}
.detail-param-row:last-child { border-bottom: none; }
.detail-param-key { color: var(--text-3); }
.detail-param-key { font-size: 12px; }
.detail-param-val {
  color: var(--text);
  font-weight: 500;
  font-size: 12px;
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
}

/* ═══════════════════════════════════════════
   16. FULLSCREEN VIEWER
   ═══════════════════════════════════════════ */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ═══════════════════════════════════════════
   17. RESPONSIVE
   ═══════════════════════════════════════════ */

@media (max-width: 960px) {
  .workspace {
    grid-template-columns: var(--sidebar-w) 1fr;
  }
  .history-panel { display: none; }
  .mode-switcher { display: none; }
  .sidebar-tabs { display: flex; }
  .cmd-trigger kbd { display: none; }
}

@media (max-width: 720px) {
  .workspace {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .preview-panel { padding: 10px; }
  .history-panel {
    display: flex;
    border-left: none;
    border-top: 1px solid var(--border);
    height: 300px;
  }
  .history-list .history-item img {
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 480px) {
  :root {
    --topbar-h: 44px;
    --sidebar-w: 100%;
  }
  .topbar { padding: 0 12px; }
  .sidebar { padding: 10px; }
  .template-buttons { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }
  .modal { border-radius: var(--radius-sm); }
  .task-panel { right: 8px; bottom: 8px; }
  .task-item { min-width: 180px; }
}

/* ═══════════════════════════════════════════
   18. GLOBAL MICRO-INTERACTIONS
   ═══════════════════════════════════════════ */

button:active:not(:disabled) {
  transform: scale(.97);
}

/* Smooth scrollbar for all scrollable elements */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}
*::-webkit-scrollbar { width: 4px; height: 4px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }
*::-webkit-scrollbar-thumb:hover { background: var(--border-3); }

/* Custom selection */
::-moz-selection {
  background: rgba(255,123,79,.25);
  color: #fff;
}

/* ═══════════════════════════════════════════
   19. COMMAND PALETTE
   ═══════════════════════════════════════════ */

.cmd-palette-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(6px);
  align-items: flex-start;
  justify-content: center;
  padding-top: min(20vh, 140px);
}
.cmd-palette-overlay.active { display: flex; }

.cmd-palette {
  width: 100%;
  max-width: 480px;
  background: var(--bg-surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255,123,79,.06);
  overflow: hidden;
  animation: cmdPaletteIn .2s var(--ease);
}

@keyframes cmdPaletteIn {
  from { opacity: 0; transform: scale(.97) translateY(-8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.cmd-palette-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.cmd-palette-search-icon {
  width: 16px; height: 16px;
  color: var(--text-3);
  flex-shrink: 0;
}

.cmd-palette-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  font-weight: 400;
}
.cmd-palette-input::placeholder { color: var(--text-4); }

.cmd-palette-shortcut {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 9px;
  font-weight: 600;
  color: var(--text-4);
  padding: 2px 5px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-raised);
  flex-shrink: 0;
}

.cmd-palette-list {
  max-height: 320px;
  overflow-y: auto;
  padding: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}

.cmd-palette-group-title {
  font-size: 9px;
  font-weight: 600;
  color: var(--text-4);
  letter-spacing: .8px;
  text-transform: uppercase;
  padding: 8px 10px 4px;
}

.cmd-palette-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 14px;
  color: var(--text-2);
}
.cmd-palette-item:hover,
.cmd-palette-item.active {
  background: var(--bg-hover);
  color: var(--text);
}
.cmd-palette-item.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.cmd-palette-item-icon {
  width: 20px;
  text-align: center;
  font-size: 13px;
  flex-shrink: 0;
}

.cmd-palette-item-label {
  flex: 1;
  min-width: 0;
}

.cmd-palette-empty {
  text-align: center;
  padding: 24px;
  color: var(--text-4);
  font-size: 12px;
}