:root {
  --bg: #f5f5f7;
  --panel: #ffffff;
  --card: #ffffff;
  --border: #e8e8ed;
  --text: #1d1d1f;
  --text-dim: #6e6e73;
  --accent: #0071e3;
  --confirm: #34c759;
  --pending: #ffa726;
  --reject: #ef5350;
  --btn-bg: #f5f5f7;
  --shadow: 0 1px 3px rgba(0,0,0,.06);
  --left-width: 280px;
  --right-width: 460px;
}

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

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text);
  height: 100vh; display: flex; flex-direction: column; overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Header */
#ve-header {
  display: flex; align-items: center; gap: 16px;
  padding: 6px 16px; background: rgba(255,255,255,.85);
  border-bottom: 1px solid var(--border); flex-shrink: 0;
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
#ve-header nav a:hover { opacity: .7; }
.brand-subtitle { font-size:11px; color:var(--text-dim); margin-left:8px; padding-left:8px; border-left:1.5px solid var(--border); font-weight:400; white-space:nowrap; }
#ve-project-name { font-size: 13px; color: var(--text-dim); }
#ve-toolbar { display: flex; gap: 6px; }
#ve-toolbar button {
  padding: 5px 12px; border: none; border-radius: 6px;
  cursor: pointer; font-size: 12px; background: var(--btn-bg); color: var(--text);
  transition: opacity .15s; font-family: inherit;
}
#ve-toolbar button:hover { opacity: .85; }

/* Main 3-column */
#ve-main { display: flex; flex: 1; overflow: hidden; position: relative; }

/* Left toggle bar */
#ve-left-toggle {
  width: 12px; background: var(--panel); border-right: 1px solid var(--border);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background .15s; user-select: none;
}
#ve-left-toggle:hover { background: var(--border); }
#ve-left-toggle-icon {
  font-size: 8px; color: var(--text-dim); transition: transform .25s;
}

/* Left panel */
#ve-left {
  width: var(--left-width); background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; flex-shrink: 0; overflow: hidden;
  transition: width .25s ease, padding .25s ease, border .25s ease;
}
#ve-left.collapsed {
  width: 0; border-right-width: 0;
}
#ve-left.collapsed #ve-left-inner { opacity: 0; pointer-events: none; }
#ve-left-inner {
  padding: 12px; display: flex; flex-direction: column; gap: 8px;
  overflow-y: auto; flex: 1; transition: opacity .15s;
}
#ve-script-input {
  width: 100%; min-height: 120px; background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 10px;
  font-size: 12px; resize: vertical; font-family: inherit;
}
#ve-script-input::placeholder { color: var(--text-dim); }
#ve-script-input:focus { outline: none; border-color: var(--accent); }
#ve-btn-generate {
  width: 100%; padding: 8px; border: none; border-radius: 8px;
  cursor: pointer; font-size: 13px; font-weight: 600;
  background: linear-gradient(135deg, #6c5ce7, #3b82f6); color: #fff;
}
#ve-btn-generate:disabled { opacity: .5; cursor: not-allowed; }

/* Scene cards */
.scene-card {
  padding: 8px 10px; border-radius: 6px; background: var(--card);
  margin-bottom: 6px; cursor: pointer; font-size: 12px;
  border: 1px solid transparent; transition: border-color .15s;
}
.scene-card:hover { border-color: var(--accent); }
.scene-card.active { border-color: var(--accent); background: rgba(0,113,227,.06); }
.scene-card strong { display: block; margin-bottom: 2px; }

/* Center canvas */
#ve-center { flex: 1; position: relative; overflow: hidden; display: flex; flex-direction: column; }
#ve-canvas-mindmap { flex: 1; cursor: grab; }
#ve-canvas-mindmap:active { cursor: grabbing; }
#ve-canvas-3d { flex: 1; cursor: grab; }
#ve-canvas-3d:active { cursor: grabbing; }

#ve-view-tabs {
  position: absolute; top: 8px; left: 12px; z-index: 10; display: flex; gap: 4px;
}
.ve-view-tab {
  padding: 4px 14px; border: 1px solid var(--border); border-radius: 16px;
  cursor: pointer; font-size: 12px; background: rgba(255,255,255,.9); color: var(--text-dim);
  backdrop-filter: blur(8px); transition: all .15s; font-family: inherit;
}
.ve-view-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

#ve-zoom-controls {
  position: absolute; bottom: 12px; right: 12px;
  display: flex; flex-direction: column; gap: 2px; z-index: 10;
}
#ve-zoom-controls button {
  width: 30px; height: 30px; border: 1px solid var(--border);
  border-radius: 8px; background: rgba(255,255,255,.9); color: var(--text);
  font-size: 15px; cursor: pointer; display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(8px); transition: background .15s;
}
#ve-zoom-controls button:hover { background: var(--border); }

/* Context menu */
#ve-context-menu {
  position: absolute; z-index: 200;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 4px; min-width: 160px;
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
}
.ctx-item {
  padding: 7px 14px; font-size: 13px; border-radius: 6px;
  cursor: pointer; color: var(--text); transition: background .1s;
}
.ctx-item:hover { background: var(--btn-bg); }
.ctx-sep { height: 1px; background: var(--border); margin: 4px 8px; }
.ctx-danger { color: var(--reject); }

/* Right panel */
#ve-right {
  width: var(--right-width); background: var(--panel);
  border-left: 1px solid var(--border);
  flex-shrink: 0; overflow: hidden;
  transition: width .25s ease, border .25s ease;
}
#ve-right.hidden {
  width: 0; border-left-width: 0;
}
#ve-right-inner {
  padding: 12px; overflow-y: auto; height: 100%;
  width: var(--right-width);
}
#ve-right.hidden #ve-right-inner { opacity: 0; pointer-events: none; }
#ve-right input, #ve-right textarea, #ve-right select {
  width: 100%; background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 7px 10px; font-size: 13px; margin-bottom: 8px; font-family: inherit;
}
#ve-right input:focus, #ve-right textarea:focus, #ve-right select:focus {
  outline: none; border-color: var(--accent);
}
#ve-right textarea { resize: vertical; min-height: 50px; }
#ve-right label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 3px; font-weight: 500; }
#ve-right h4 { font-size: 15px; font-weight: 600; }

.ve-prop-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border);
}
.ve-prop-close {
  width: 24px; height: 24px; border: none; border-radius: 12px; background: var(--btn-bg);
  color: var(--text-dim); cursor: pointer; font-size: 12px; display: flex;
  align-items: center; justify-content: center;
}
.ve-prop-close:hover { background: var(--border); }

.ve-prop-section {
  margin-bottom: 16px;
}
.ve-prop-section-label {
  font-size: 11px; font-weight: 600; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: .5px;
  margin-bottom: 8px; padding-bottom: 4px; border-bottom: 1px solid var(--border);
}

/* Character cast grid */
.char-cast-grid {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.char-cast-chip {
  display: flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: 14px;
  border: 1px solid var(--border); font-size: 12px;
  cursor: pointer; transition: all .15s; user-select: none;
  background: var(--card);
}
.char-cast-chip.active {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.char-cast-chip .chip-avatar {
  width: 18px; height: 18px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; font-weight: 600; color: #fff;
}
.char-cast-chip .chip-name { font-weight: 500; }

/* Buttons */
button { font-family: inherit; }
.btn-primary {
  padding: 8px 16px; border: none; border-radius: 8px; cursor: pointer;
  font-size: 13px; background: var(--accent); color: #fff; font-weight: 600;
  transition: opacity .15s;
}
.btn-primary:hover { opacity: .88; }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; }
.btn-action {
  padding: 6px 12px; border: 1px solid var(--border); border-radius: 8px; cursor: pointer;
  font-size: 12px; background: var(--card); color: var(--text);
  transition: background .15s;
}
.btn-action:hover { background: var(--btn-bg); }
.btn-danger {
  padding: 2px 8px; border: none; border-radius: 4px; cursor: pointer;
  font-size: 11px; background: var(--reject); color: #fff;
}

/* Dialogue rows */
.dialogue-row {
  background: var(--card); padding: 10px; border-radius: 8px;
  margin-bottom: 8px; border: 1px solid var(--border);
  position: relative;
}
.dialogue-row .d-top {
  display: flex; gap: 6px; margin-bottom: 6px; align-items: center;
}
.dialogue-row select { margin-bottom: 0 !important; font-size: 12px !important; flex: 1; }
.dialogue-row input[type=text] {
  margin-bottom: 4px !important; font-size: 13px;
}
.dialogue-row .d-voice-row {
  display: flex; gap: 4px; margin-top: 4px;
}
.dialogue-row .d-voice-row select { flex: 1; }
.btn-preview-voice {
  padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--btn-bg); color: var(--text); cursor: pointer;
  font-size: 11px; white-space: nowrap;
}
.btn-preview-voice:hover { background: var(--border); }
.btn-preview-voice.playing { background: var(--accent); color: #fff; border-color: var(--accent); }
.d-remove {
  position: absolute; top: 6px; right: 8px;
  width: 20px; height: 20px; border: none; border-radius: 10px;
  background: transparent; color: var(--text-dim); cursor: pointer;
  font-size: 12px; display: flex; align-items: center; justify-content: center;
}
.d-remove:hover { background: var(--reject); color: #fff; }
.d-emotion-tag {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  font-size: 10px; background: var(--btn-bg); color: var(--text-dim);
  margin-top: 4px;
}

/* Asset Review Panel */
.asset-group {
  margin-bottom: 14px; padding: 10px;
  background: var(--btn-bg); border-radius: 8px;
  border: 1px solid var(--border);
}
.asset-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px;
}
.asset-title { font-size: 13px; font-weight: 600; color: var(--text); }
.asset-status {
  font-size: 10px; font-weight: 500;
  padding: 2px 8px; border-radius: 10px;
}
.asset-status.ok { background: rgba(52,199,89,.15); color: var(--confirm); }
.asset-status.missing { background: rgba(239,83,80,.1); color: var(--reject); }
.asset-status.pending { background: rgba(255,167,38,.1); color: var(--pending); }

.char-portrait-card {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0; border-bottom: 1px solid var(--border);
}
.char-portrait-card:last-child { border-bottom: none; }
.char-portrait-thumb {
  width: 48px; height: 64px; border-radius: 4px;
  object-fit: cover; border: 1px solid var(--border);
  cursor: pointer; transition: transform .15s;
}
.char-portrait-thumb:hover { transform: scale(2.5); z-index: 10; position: relative; }
.char-portrait-info { flex: 1; font-size: 12px; }
.char-portrait-name { font-weight: 600; color: var(--text); }
.char-portrait-placeholder {
  width: 48px; height: 64px; border-radius: 4px;
  background: var(--border); display: flex; align-items: center;
  justify-content: center; font-size: 20px; color: var(--text-dim);
}

.confirm-check {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-dim); cursor: pointer;
  user-select: none; padding: 4px 0; white-space: nowrap;
}
.confirm-check input[type="checkbox"] {
  width: 16px; height: 16px; margin: 0;
  accent-color: var(--confirm); cursor: pointer;
}
.confirm-check.checked span { color: var(--confirm); font-weight: 600; }

#asset-confirm-summary.all-confirmed {
  background: rgba(52,199,89,.12); color: var(--confirm); font-weight: 600;
}
#asset-confirm-summary.partial {
  background: rgba(255,167,38,.1); color: var(--pending);
}
#asset-confirm-summary.none {
  background: var(--btn-bg); color: var(--text-dim);
}

.storyboard-shot {
  margin-bottom: 6px; padding: 6px;
  background: var(--card); border-radius: 6px;
  border-left: 3px solid var(--accent);
}
.storyboard-shot .shot-label {
  font-weight: 600; font-size: 11px; color: var(--accent);
}
.storyboard-shot .shot-desc {
  font-size: 11px; color: var(--text-dim); margin-top: 2px;
}

#ve-btn-compose:disabled { opacity: .4; cursor: not-allowed; }

/* SVG mindmap */
#ve-mindmap { display: block; }
.mm-node { cursor: pointer; transition: filter .15s; }
.mm-node:hover { filter: brightness(1.25); }
.mm-node.selected rect { stroke: var(--accent); stroke-width: 3; }
.mm-edge { stroke: var(--border); stroke-width: 2; fill: none; opacity: .7; }
.mm-edge.has-image { stroke: var(--confirm); opacity: .8; }
.mm-edge.has-voice { stroke: var(--accent); opacity: .8; }
.mm-add-shot-btn { opacity: 0.4; transition: opacity 0.15s; }
.mm-add-shot-btn:hover { opacity: 1; }
.mm-delete-btn { opacity: 0; transition: opacity 0.15s; }
.mm-node:hover .mm-delete-btn { opacity: 0.7; }
.mm-delete-btn:hover { opacity: 1; }
.mm-delete-btn:hover circle { fill: #ef5350; }
.mm-delete-btn:hover text { fill: #fff; }

/* Node mini tags */
.mm-char-tag {
  font-size: 8px; fill: var(--text-dim);
}
.mm-voice-tag {
  font-size: 8px; fill: var(--accent); font-weight: 500;
}
.mm-status-dot {
  stroke-width: 1.5;
}

/* Progress */
#ve-footer { padding: 4px 16px; background: var(--panel); border-top: 1px solid var(--border); flex-shrink: 0; min-height: 28px; }
#ve-progress { display: flex; align-items: center; gap: 10px; }
#ve-progress-bar { flex: 1; height: 4px; background: var(--card); border-radius: 2px; overflow: hidden; }
#ve-progress-fill { height: 100%; background: var(--accent); width: 0%; transition: width .3s; }
#ve-progress-text { font-size: 11px; color: var(--text-dim); white-space: nowrap; }

/* Fullscreen mode */
body.fullscreen #ve-left { width: 0; border-right-width: 0; }
body.fullscreen #ve-left-toggle { display: none; }
body.fullscreen #ve-right { width: 0; border-left-width: 0; }
body.fullscreen #ve-header { opacity: .6; }
body.fullscreen #ve-footer { display: none; }

/* Scene image preview in property */
#scene-image-preview img { transition: opacity .3s; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

@media (max-width: 900px) {
  #ve-left { width: 220px; }
  #ve-right { width: 340px; }
  #ve-toolbar button { font-size: 10px; padding: 4px 8px; }
}

/* Scene Library */
#ve-scene-lib-select {
  font-family: inherit;
  cursor: pointer;
}
#ve-scene-lib-select:focus {
  outline: none;
  border-color: var(--accent);
}
#ve-scene-lib-modal textarea:focus {
  outline: none;
  border-color: var(--accent);
}
#asset-bg-desc:focus {
  outline: none;
  border-color: var(--accent);
}

/* Library selection in asset panel */
.bg-source-row { position: relative; }
.bg-source-row select { font-family: inherit; }
.people-lib-select {
  font-family: inherit; cursor: pointer;
}
.people-lib-select:focus { outline: none; border-color: var(--accent); }
.role-name-label { font-weight: 500; }
.char-portrait-info .role-name-label { color: var(--text); }