/* ============================================================
   图小宝 - 装修行业轻奢风配色
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  /* 底色三级分层 */
  --bg:rgb(18,20,24);           /* 画布底色 */
  --surface:#24242c;       /* 卡片底色 - 暖深灰 */
  --surface2:#2c2c36;     /* 卡片标题栏 / 输入框 - 稍亮 */
  --border:rgba(255,255,255,0.07);
  /* 文字三阶 */
  --text:#f2f2f4;         /* 标题 / 重点 - 暖白 */
  --text2:#c4c4cc;        /* 正文说明 - 中灰 */
  --text3:#8a8a99;        /* 辅助小字 - 浅灰 */
  /* 品牌色 - 低饱和莫兰迪蓝 */
  --primary:#b08b6a;      /* 主色 - 轻奢暖铜（家装金属/木作） */
  --primary-hover:#c4a080;
  --primary-bg:rgba(176,139,106,0.12);
  /* 行业点缀色 */
  --accent-wood:#96785c;  /* 原木暖棕（软装/木作） */
  --accent-gold:#c8a975;  /* 轻奢香槟金（高端金属） */
  /* 功能色 */
  --success:#3ca372;--warning:#dda04a;--danger:#b85a5a;--danger-hover:#c97070;
  --radius:10px;--radius-sm:6px;--radius-lg:14px;
  --shadow-card:0 1px 2px rgba(0,0,0,0.25),0 4px 12px rgba(0,0,0,0.18);
  --shadow-panel:0 0 0 1px rgba(255,255,255,0.04),0 12px 40px rgba(0,0,0,0.45);
  --transition:0.2s cubic-bezier(0.4,0,0.2,1);
}
body{
  background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC',sans-serif;
  overflow:hidden;height:100vh;width:100vw;min-width:360px;color:var(--text);
}

/* Scrollbar */
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.08);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,0.14)}

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar{
  position:fixed;top:0;left:0;right:0;height:52px;
  background:#1f1d21;border-bottom:1px solid rgba(255,255,255,0.06);
  display:flex;align-items:center;padding:0 16px;gap:12px;z-index:1000;
  flex-wrap:nowrap;min-width:0;
}
.logo-wrap{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{
  width:36px;height:36px;border-radius:var(--radius-sm);
  background:linear-gradient(135deg,#1a1c24,#24242c);
  border:1px solid rgba(200,169,117,0.3);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent-gold);
}
.logo-title{font-size:15px;font-weight:700;color:#fff;letter-spacing:-0.3px}
.logo-sub{font-size:12px;color:var(--text3)}
.topbar-spacer{flex:1;min-width:8px}
.topbar-btn{
  padding:6px 14px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,0.08);
  background:var(--surface2);color:var(--text2);font-size:12px;cursor:pointer;
  transition:var(--transition);display:flex;align-items:center;gap:5px;white-space:nowrap;
}
.topbar-btn:hover{background:var(--primary-bg);color:#fff;border-color:var(--primary)}
.topbar-btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.topbar-btn.primary:hover{background:var(--primary-hover)}

/* 用户菜单下拉 */
.user-menu{position:relative}
.user-dropdown{
  position:absolute;top:100%;right:0;margin-top:6px;
  background:var(--surface);border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--radius);box-shadow:var(--shadow-panel);
  min-width:200px;padding:6px 0;display:none;z-index:1100;
}
.user-dropdown.show{display:block}
.user-dropdown-info{padding:12px 16px}
.user-dropdown-name{font-size:13px;color:#fff;font-weight:600}
.user-dropdown-email{font-size:11px;color:var(--text3);margin-top:2px}

/* ============================================================
   LEFT SIDEBAR
   ============================================================ */
.sidebar{
  position:fixed;top:52px;left:0;width:200px;bottom:0;
  background:#1f1d21;border-right:1px solid rgba(255,255,255,0.05);
  display:flex;flex-direction:column;z-index:999;overflow:hidden;
  transition:width 0.25s cubic-bezier(0.4,0,0.2,1);
}

.sb-section{padding:10px 0}
.sb-section+.sb-section{border-top:1px solid rgba(255,255,255,0.05)}
.sb-section-title{
  font-size:10px;font-weight:600;color:var(--accent-wood);text-transform:uppercase;
  letter-spacing:1.5px;padding:0 12px;margin-bottom:8px;
}
.sb-new-btn{
  display:flex;align-items:center;gap:8px;padding:8px 12px;margin:0 6px 4px;
  border:none;border-radius:var(--radius-sm);background:transparent;
  color:var(--text2);font-size:12px;cursor:pointer;transition:var(--transition);
  width:calc(100% - 12px);text-align:left;font-family:inherit;
}
.sb-new-btn:hover{background:var(--surface2);color:#fff}
.sb-new-icon{font-size:16px;width:22px;text-align:center;flex-shrink:0}
.sb-list-area{flex:1;overflow:hidden;display:flex;flex-direction:column}
#workflowList{flex:1;overflow-y:auto;padding:0 6px}
.wf-item{
  display:flex;align-items:center;gap:6px;padding:7px 8px;margin-bottom:1px;
  border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);
  color:var(--text2);font-size:12px;border-left:2px solid transparent;
}
.wf-item:hover{background:rgba(255,255,255,0.03);color:#fff}
.wf-item.active{
  background:var(--primary-bg);color:var(--text);
  border-left-color:var(--accent-gold);
}
.wf-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.wf-type-tag{flex-shrink:0;font-size:13px;font-weight:600;padding:1px 3px;border-radius:3px;line-height:1}
.wf-tag-img{background:transparent;color:var(--text2);font-size:15px}
.wf-tag-vid{background:transparent;color:var(--text2);font-size:15px}
.wf-item.active .wf-tag-img{color:var(--text)}
.wf-item.active .wf-tag-vid{color:var(--text)}
.wf-more{
  flex-shrink:0;width:18px;height:18px;display:flex;align-items:center;justify-content:center;
  border-radius:4px;font-size:13px;color:var(--text3);cursor:pointer;transition:var(--transition);
  opacity:0;margin-left:auto;
}
.wf-item:hover .wf-more{opacity:1}
.wf-more:hover{background:var(--surface2);color:#fff}
.sb-bottom{display:flex;border-top:1px solid rgba(255,255,255,0.05);padding:6px}
.sb-tool-btn{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:6px 4px;border:none;border-radius:var(--radius-sm);
  background:transparent;color:var(--text3);cursor:pointer;
  font-size:10px;transition:var(--transition);font-family:inherit;
}
.sb-tool-btn:hover{color:#fff;background:var(--surface2)}
.sb-tool-icon{font-size:15px}
.sb-tool-label{font-size:10px}

/* ── 侧边栏收缩 ── */
.sb-toggle{
  position:fixed;top:50%;left:200px;transform:translate(-50%,-50%);
  width:32px;height:32px;border-radius:50%;
  background:rgba(40,42,50,0.9);border:1px solid rgba(255,255,255,0.12);
  color:var(--text2);cursor:pointer;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  transition:left 0.25s cubic-bezier(0.4,0,0.2,1),background var(--transition),border var(--transition),color var(--transition);
  z-index:1000;padding:0;
  box-shadow:0 2px 8px rgba(0,0,0,0.4);
}
body.sidebar-collapsed .sb-toggle{left:56px}
.sb-toggle:hover{color:#fff;background:rgba(55,58,68,0.95);border-color:rgba(255,255,255,0.2)}
body.sidebar-collapsed .sidebar{width:56px}
.sidebar .wf-name,.sidebar .sb-tool-label,.sidebar .sb-section-title,
.sidebar .sb-new-btn span:not(.sb-new-icon){transition:opacity 0.15s,width 0.15s;white-space:nowrap;overflow:hidden}
body.sidebar-collapsed .sidebar .wf-name,
body.sidebar-collapsed .sidebar .sb-tool-label,
body.sidebar-collapsed .sidebar .sb-section-title{opacity:0;width:0;padding:0;margin:0}
body.sidebar-collapsed .sidebar .sb-new-btn span:not(.sb-new-icon){opacity:0;width:0}
body.sidebar-collapsed .sidebar .sb-new-btn{justify-content:center;padding:8px 0;margin:0 6px 4px;width:calc(100% - 12px)}
body.sidebar-collapsed .sidebar .wf-item{justify-content:center;gap:0;padding:7px 0;border-left:none}
body.sidebar-collapsed .sidebar .wf-more{display:none!important}
body.sidebar-collapsed .sidebar .wf-type-tag{font-size:16px;padding:2px 4px}
body.sidebar-collapsed .sidebar .sb-bottom{flex-direction:column}
body.sidebar-collapsed .sidebar .sb-tool-btn{padding:4px}
body.sidebar-collapsed .sidebar .sb-tool-icon{font-size:18px}
body.sidebar-collapsed #canvas-container{left:56px}
body.sidebar-collapsed .history-panel{left:56px}

/* ============================================================
   CANVAS AREA
   ============================================================ */
#canvas-container{
  position:fixed;top:52px;left:200px;right:0;bottom:0;
  overflow:hidden;cursor:grab;
  background:var(--bg);
  transition:left 0.25s cubic-bezier(0.4,0,0.2,1);
}
#canvas-container.grabbing{cursor:grabbing}
#canvas-world{position:absolute;transform-origin:0 0;width:6000px;height:6000px}
#svg-layer{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:visible}

/* ============================================================
   ZOOM CONTROLS
   ============================================================ */
.zoom-controls{
  position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:4px;z-index:996;
  transition:right 0.3s cubic-bezier(0.4,0,0.2,1);
}
.zoom-controls.shift-left{right:440px}
.zoom-btn{
  width:32px;height:32px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,0.08);
  background:var(--surface);color:var(--text2);font-size:15px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:var(--transition);
}
.zoom-btn:hover{background:var(--surface2);color:#fff}
.zoom-label{
  font-size:11px;color:var(--text3);text-align:center;padding:4px 0;
  background:var(--surface);border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius-sm);
}

/* ============================================================
   NODE BASE
   ============================================================ */
.node{
  position:absolute;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid rgba(255,255,255,0.07);
  box-shadow:var(--shadow-card);
  cursor:move;user-select:none;transition:border-color 0.2s,box-shadow 0.2s;
  min-width:200px;min-height:140px;z-index:1;
}
.node:hover{border-color:rgba(255,255,255,0.14)}
.node.selected{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-bg),var(--shadow-card)}
.node.conn-hover{border-color:var(--accent-gold)!important;box-shadow:0 0 0 3px rgba(200,169,117,0.2),0 0 16px rgba(200,169,117,0.08)}
.node.dragging{opacity:0.92;box-shadow:0 20px 60px rgba(0,0,0,0.6);z-index:100}
.node-header{
  display:flex;align-items:center;gap:8px;padding:10px 14px 8px;
  background:var(--surface2);border-bottom:1px solid rgba(255,255,255,0.06);
  border-radius:var(--radius-lg) var(--radius-lg) 0 0;cursor:move;
}
.node-header-icon{font-size:14px;flex-shrink:0}
.node-header-title{font-size:13px;font-weight:600;color:var(--text);flex:1}
.node-header-label{font-size:11px;color:var(--text3);margin-right:4px;font-weight:400}
.node-header-actions{display:flex;gap:3px}
.node-header-btn{
  width:22px;height:22px;border-radius:4px;border:none;
  background:transparent;color:var(--text3);cursor:pointer;font-size:12px;
  display:flex;align-items:center;justify-content:center;transition:var(--transition);
}
.node-header-btn:hover{background:rgba(255,255,255,0.06);color:var(--text)}
.node-body{padding:12px 14px;background:var(--surface);border-radius:0 0 var(--radius-lg) var(--radius-lg)}

/* Resize handle — 三角指示器 */
.node-resize::after{
  content:'';position:absolute;right:3px;bottom:3px;
  width:0;height:0;border-style:solid;
  border-width:0 0 12px 12px;
  border-color:transparent transparent rgba(200,169,117,0.6) transparent;
  pointer-events:none;
}
.node-resize:hover::after{border-color:transparent transparent var(--accent-gold) transparent}



/* ============================================================
   PORT
   ============================================================ */
.port{position:absolute;cursor:crosshair;z-index:10;transition:all 0.2s}
.port-left{
  width:6px;height:6px;border-radius:50%;top:50%;left:-3px;transform:translateY(-50%);
  background:var(--primary);border:1px solid var(--primary);opacity:0.5;
}
.port-left:hover{background:var(--primary-hover);border-color:var(--primary-hover);opacity:1;transform:translateY(-50%)scale(1.5);box-shadow:0 0 8px rgba(77,118,140,0.6)}
.port-right{
  width:14px;height:14px;border-radius:50%;top:50%;right:-7px;transform:translateY(-50%);
  background:transparent;border:1.5px solid var(--primary);opacity:0.6;
  display:flex;align-items:center;justify-content:center;
}
.port-right::after{content:'+';color:var(--primary);font-size:15px;line-height:14px;font-weight:300;display:block;margin-top:-1px}
.port-right:hover{background:var(--primary-bg);border-color:var(--primary-hover);opacity:1;transform:translateY(-50%)scale(1.25);box-shadow:0 0 8px rgba(77,118,140,0.6)}
.port-right:hover::after{color:var(--primary-hover)}
.port.port-highlight{opacity:1!important;box-shadow:0 0 14px rgba(77,118,140,0.8)!important}
.port-left.port-highlight{background:var(--primary-hover)!important;border-color:var(--primary-hover)!important;transform:translateY(-50%)scale(1.5)!important}
.port-right.port-highlight{background:var(--primary-bg)!important;border-color:var(--primary-hover)!important;transform:translateY(-50%)scale(1.25)!important}
.port-right.port-highlight::after{color:var(--primary-hover)}

/* ============================================================
   IMAGE NODE
   ============================================================ */
.node-image{width:280px;display:flex;flex-direction:column;min-height:240px}
.node-image .node-body{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column}
.image-upload-area{
  flex:1;min-height:0;width:100%;
  background:#181b23;
  border-radius:var(--radius-sm);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;color:var(--text3);
  font-size:12px;border:1.5px dashed rgba(255,255,255,0.1);cursor:pointer;transition:var(--transition);
  position:relative;overflow:hidden;
}
.image-upload-area:hover{border-color:var(--primary);color:var(--primary)}
.image-upload-area .upload-icon{font-size:30px;color:var(--text3)}
.image-preview-img{width:100%;height:100%;object-fit:contain;border-radius:var(--radius-sm);display:block}
.image-mask-overlay{
  position:absolute;inset:0;background:rgba(0,0,0,0.5);border-radius:var(--radius-sm);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  opacity:0;transition:opacity 0.2s;pointer-events:none;padding:20px;
}
.image-mask-row{display:flex;align-items:center;gap:10px}
.image-upload-area:hover .image-mask-overlay{opacity:1;pointer-events:auto}
.image-mask-btn{
  width:100%;padding:8px 16px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,0.18);
  background:rgba(255,255,255,0.08);color:#fff;font-size:12px;font-weight:500;cursor:pointer;
  transition:var(--transition);text-align:center;font-family:inherit;
}
.image-mask-btn:hover{background:rgba(255,255,255,0.18);border-color:rgba(255,255,255,0.35);color:#fff}
.image-mask-btn.outline{background:rgba(255,255,255,0.04)}
.image-mask-btn.outline:hover{background:rgba(255,255,255,0.15)}
.image-mask-btn.chat{background:rgba(200,169,117,0.2);border-color:rgba(200,169,117,0.35);color:var(--accent-gold)}
.image-mask-btn.chat:hover{background:rgba(200,169,117,0.35);border-color:var(--accent-gold);color:#e8d5a3}

.preview-img-overlay{
  position:absolute;inset:0;z-index:3;background:rgba(0,0,0,0.5);border-radius:var(--radius-sm);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  opacity:0;transition:opacity 0.2s;pointer-events:none;padding:20px;
}

/* ============================================================
   AI DRAWING NODE
   ============================================================ */
.node-ai{width:420px;min-height:360px;display:flex;flex-direction:column}
.node-ai .node-body{display:flex;flex-direction:column;flex:1;overflow:hidden;min-height:0}
.node-ai.vocab-collapsed .vocab-header{margin-bottom:2px}
.ai-prompt-area{
  width:100%;flex:1 1 auto;min-height:110px;overflow-y:auto;
  background:#181b23;border:none;border-radius:var(--radius-sm);
  color:var(--text);font-size:13px;padding:12px;resize:none;outline:none;
  font-family:inherit;line-height:1.6;transition:box-shadow 0.3s;
}
.ai-prompt-area::placeholder{color:var(--text3)}
.ai-prompt-area:focus{box-shadow:0 0 0 2px rgba(77,118,140,0.25)}
.vocab-section{margin-top:10px;flex:0 0 auto;max-height:200px;display:flex;flex-direction:column;overflow:hidden}
.vocab-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:8px;font-size:12px;color:var(--text2);flex-shrink:0;
}
.vocab-header-left{display:flex;align-items:center;gap:4px;cursor:pointer}
.vocab-header-left:hover{color:var(--text)}
.vocab-count{color:var(--text3);font-size:11px}
.vocab-manage{color:var(--primary);cursor:pointer;font-size:12px}
.vocab-manage:hover{text-decoration:underline}
.vocab-tags{flex:1 1 auto;overflow-y:auto;display:flex;flex-wrap:wrap;align-content:flex-start;gap:6px;padding-right:2px}
.vocab-add-panel{flex-shrink:0}
.ai-footer{flex-shrink:0;margin-top:10px}
.vocab-tag{
  display:flex;align-items:center;gap:5px;padding:5px 10px;border-radius:var(--radius-sm);
  background:var(--surface2);border:1px solid var(--border);font-size:12px;color:var(--text2);
  position:relative;cursor:pointer;
  transition:all 0.25s cubic-bezier(0.4,0,0.2,1);
}
.vocab-tag:hover{
  background:rgba(200,169,117,0.07);
  border-color:var(--accent-gold);
  color:var(--text);
  box-shadow:0 0 10px rgba(200,169,117,0.06), inset 0 0 8px rgba(200,169,117,0.03);
  transform:translateY(-1px);
}
.vocab-tag .apply-btn{
  padding:3px 8px;border-radius:4px;border:none;
  background:var(--primary);color:#fff;font-size:11px;cursor:pointer;transition:var(--transition);
}
.vocab-tag .apply-btn:hover{background:var(--primary-hover)}
.vocab-tag .delete-btn{
  position:absolute;top:-6px;right:-6px;width:16px;height:16px;border-radius:50%;
  background:var(--danger);color:#fff;border:none;font-size:10px;cursor:pointer;
  display:none;align-items:center;justify-content:center;line-height:1;
}
.vocab-tag.custom .delete-btn{display:flex}
.vocab-add-panel{
  margin-top:10px;padding:12px;background:#181b23;border-radius:var(--radius-sm);
  border:1px solid var(--border);display:flex;flex-direction:column;gap:8px;
  animation:fadeIn 0.15s ease;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.vocab-add-input{
  width:100%;padding:8px 10px;border-radius:var(--radius-sm);
  background:var(--surface2);border:1px solid var(--border);
  color:var(--text);font-size:12px;outline:none;font-family:inherit;
}
.vocab-add-input:focus{border-color:var(--primary)}
.vocab-add-input::placeholder{color:var(--text3)}
.vocab-add-textarea{
  width:100%;min-height:60px;padding:8px 10px;border-radius:var(--radius-sm);
  background:var(--surface2);border:1px solid var(--border);
  color:var(--text);font-size:12px;outline:none;resize:none;font-family:inherit;
}
.vocab-add-textarea:focus{border-color:var(--primary)}
.vocab-add-textarea::placeholder{color:var(--text3)}
.vocab-add-btn{
  width:100%;padding:9px;border-radius:var(--radius-sm);border:none;
  background:var(--primary);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:var(--transition);
}
.vocab-add-btn:hover{background:var(--primary-hover)}
.ai-footer{
  display:flex;align-items:center;gap:8px;margin-top:12px;
  padding-top:10px;border-top:1px solid var(--border);
}
.ai-select{
  flex:1;padding:7px 10px;border-radius:var(--radius-sm);
.node-aivideo .ai-select{flex:0 0 auto;min-width:auto;padding:7px 8px}
  background:#181b23;border:1px solid var(--border);
  color:var(--text);font-size:12px;outline:none;cursor:pointer;
}
.ai-select:focus{border-color:var(--primary)}
.ai-run-btn{
  width:34px;height:34px;border-radius:var(--radius-sm);border:none;
  background:var(--primary);color:#fff;font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:var(--transition);
  flex-shrink:0;
}
.ai-run-btn:hover{background:var(--primary-hover);transform:scale(1.05)}
.ai-run-btn:disabled{opacity:0.6;cursor:not-allowed;transform:none}

/* ============================================================
   PREVIEW NODE
   ============================================================ */
.node-preview{width:300px;display:flex;flex-direction:column;min-height:240px}
.node-preview .node-body{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column}
.preview-area{
  flex:1;min-height:0;width:100%;
  background:#181b23;border-radius:var(--radius-sm);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;color:var(--text3);font-size:12px;text-align:center;
  border:1.5px dashed rgba(255,255,255,0.1);padding:20px;overflow:hidden;
}
.preview-area img{width:100%;height:100%;object-fit:contain;border-radius:var(--radius-sm);display:block}
.preview-img-wrap{position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center}
.preview-img-wrap:hover .preview-img-overlay{opacity:1;pointer-events:auto}
.preview-img-overlay .image-mask-btn{width:100%}
.preview-paint-overlay{position:absolute;inset:0;z-index:2;width:100%;height:100%;object-fit:contain;pointer-events:none}
.preview-actions{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px;margin-top:8px}
.node-image .preview-actions{margin-top:8px}
.node-image .preview-actions{flex-shrink:0;margin-top:6px}
.preview-action-btn{
  padding:7px 4px;border-radius:var(--radius-sm);border:1px solid var(--border);
  background:var(--surface2);color:var(--text2);font-size:11px;cursor:pointer;
  text-align:center;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:3px;
  white-space:nowrap;overflow:hidden;
}
.preview-action-btn:hover{background:var(--primary-bg);color:#fff;border-color:var(--primary)}
.preview-action-btn.btn-download{grid-column:1/-1}

/* Loading spinner */
.spinner{
  width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--primary);
  border-radius:50%;animation:spin 0.8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============================================================
   TEXT / VIDEO / AI-VIDEO / SIMPLE NODES
   ============================================================ */
.node-text{width:260px;display:flex;flex-direction:column;min-height:220px}
.node-text .node-body{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column}
.text-input{
  flex:1;min-height:0;width:100%;background:#181b23;border:none;border-radius:var(--radius-sm);
  color:var(--text);font-size:13px;padding:10px;resize:none;outline:none;font-family:inherit;line-height:1.5;
}
.text-input::placeholder{color:var(--text3)}
.text-input:focus{box-shadow:0 0 0 2px rgba(77,118,140,0.25)}

.node-video{width:240px;display:flex;flex-direction:column;min-height:200px}
.node-video .node-body{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column}
.video-upload-area{
  flex:1;min-height:0;width:100%;background:#181b23;border-radius:var(--radius-sm);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;color:var(--text3);font-size:12px;border:1.5px dashed rgba(255,255,255,0.1);cursor:pointer;transition:var(--transition);
}
.video-upload-area:hover{border-color:var(--primary);color:var(--primary)}

.node-aivideo{width:440px;display:flex;flex-direction:column;min-height:340px}
.node-aivideo .node-body{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column}

.simple-node-body{padding:12px 14px;min-height:40px;display:flex;align-items:center;color:var(--text2);font-size:12px;overflow:hidden}

/* ============================================================
   REVERSE / COMPARE NODES
   ============================================================ */
.node-reverse{width:380px;display:flex;flex-direction:column;min-height:240px}
.node-reverse .node-body{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column}

.node-compare{width:500px;display:flex;flex-direction:column;min-height:240px}
.node-compare .node-body{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column;padding:0}
.compare-area{
  flex:1;min-height:0;width:100%;position:relative;background:#181b23;
  border-radius:var(--radius-sm);overflow:hidden;cursor:col-resize;user-select:none;
}
.compare-pane{position:absolute;top:0;bottom:0;left:0;right:0;overflow:hidden}
.compare-pane-left{clip-path:inset(0 50% 0 0)}
.compare-pane-right{clip-path:inset(0 0 0 50%)}
.compare-pane img{
  position:absolute;top:0;left:0;width:100%;height:100%;object-fit:contain;display:block;
  pointer-events:none;background:#181b23;
}
.compare-slider{
  position:absolute;top:0;bottom:0;width:3px;background:var(--primary);
  left:50%;transform:translateX(-50%);z-index:2;pointer-events:none;
  box-shadow:0 0 6px rgba(77,118,140,0.5);
}
.compare-slider-handle{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;pointer-events:none;
}
.compare-placeholder{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;color:var(--text3);
  font-size:12px;gap:6px;pointer-events:none;
  border:1.5px dashed rgba(255,255,255,0.1);border-radius:var(--radius-sm);
}
.compare-label{
  position:absolute;bottom:6px;padding:2px 8px;border-radius:3px;
  background:rgba(0,0,0,0.7);color:#fff;font-size:10px;z-index:1;pointer-events:none;
}
.compare-label-left{left:6px}
.compare-label-right{right:6px}

/* ============================================================
   CONNECTIONS
   ============================================================ */
.connection-path{
  fill:none;stroke:var(--primary);stroke-width:1.5;opacity:0.45;
  filter:none;
  pointer-events:stroke;cursor:pointer;transition:opacity 0.2s,stroke-width 0.2s;
}
.connection-path:hover{opacity:0.8;stroke-width:2}
.connection-path.temp{stroke:var(--primary);stroke-dasharray:6 4;animation:dash 0.4s linear infinite;pointer-events:none;opacity:0.8}
@keyframes dash{to{stroke-dashoffset:-20}}
.conn-dot{opacity:0.65;pointer-events:all;cursor:pointer;transition:opacity 0.2s}
.conn-dot .dot-bg{fill:var(--surface2);stroke:rgba(255,255,255,0.12);stroke-width:1}
.conn-dot .dot-x{stroke:var(--text3);stroke-width:1.5;stroke-linecap:round}
.conn-dot:hover{opacity:1}
.conn-dot:hover .dot-bg{fill:var(--surface);stroke:rgba(255,255,255,0.25)}
.conn-dot:hover .dot-x{stroke:var(--danger)}

/* ============================================================
   CONTEXT MENU
   ============================================================ */
#context-menu{
  position:fixed;background:var(--surface);border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--radius);box-shadow:var(--shadow-panel);
  padding:6px 0;min-width:210px;overflow-y:auto;
  z-index:2000;display:none;animation:menuIn 0.15s ease;
  scroll-padding-bottom:8px;
}
#context-menu.show{display:block}
@keyframes menuIn{from{opacity:0;transform:scale(0.9)translateY(-4px)}to{opacity:1;transform:scale(1)translateY(0)}}
.menu-item{
  padding:10px 16px;font-size:13px;color:var(--text2);cursor:pointer;
  transition:all 0.1s;display:flex;align-items:center;gap:10px;
}
.menu-item:hover{background:var(--surface2);color:#fff}
.menu-item .menu-icon{font-size:15px;width:20px;text-align:center}
.menu-sep{height:1px;background:var(--border);margin:4px 0}

/* ============================================================
   DRAW MODAL
   ============================================================ */
.draw-modal{
  position:fixed;inset:0;background:rgba(0,0,0,0.75);z-index:3000;
  display:none;justify-content:center;align-items:center;flex-direction:column;padding:20px;
}
.draw-modal.active{display:flex}
.draw-canvas-wrap{
  position:relative;background:var(--surface);border-radius:var(--radius);overflow:hidden;
  box-shadow:0 0 30px rgba(0,0,0,0.6);max-width:95vw;max-height:calc(100vh - 140px);
}
.draw-canvas-wrap canvas{position:absolute;top:0;left:0;width:100%;height:100%}
#drawBaseCanvas{z-index:1}
#drawPaintCanvas{z-index:2;cursor:crosshair}
.draw-controls{
  margin-top:16px;display:flex;gap:12px;align-items:center;flex-wrap:wrap;justify-content:center;
}
.draw-brush-label{color:#fff;font-size:13px;display:flex;align-items:center;gap:6px}
.draw-brush-label input[type=range]{width:100px}
.draw-btn{
  padding:8px 14px;border-radius:var(--radius-sm);border:1px solid transparent;font-size:12px;font-weight:500;cursor:pointer;transition:var(--transition);
  font-family:inherit;letter-spacing:0.5px;
}
.draw-btn.confirm{background:var(--accent-gold);color:#1a1a20;border-color:var(--accent-gold)}
.draw-btn.confirm:hover{background:#d4b98a;border-color:#d4b98a;box-shadow:0 2px 8px rgba(200,169,117,0.25)}
.draw-btn.clear{background:transparent;color:var(--text2);border-color:rgba(255,255,255,0.1)}
.draw-btn.clear:hover{color:var(--text);border-color:rgba(255,255,255,0.2);background:rgba(255,255,255,0.03)}
.draw-btn.undo{background:transparent;color:var(--text2);border-color:rgba(255,255,255,0.1)}
.draw-btn.undo:hover{color:var(--text);border-color:rgba(255,255,255,0.2);background:rgba(255,255,255,0.03)}
.draw-btn.cancel{background:transparent;color:var(--text3);border-color:rgba(255,255,255,0.06)}
.draw-btn.cancel:hover{color:var(--text2);border-color:rgba(255,255,255,0.12);background:rgba(255,255,255,0.02)}
.draw-btn.arrow{background:transparent;color:var(--text2);border-color:rgba(255,255,255,0.1)}
.draw-btn.arrow:hover{color:var(--text);border-color:rgba(255,255,255,0.2);background:rgba(255,255,255,0.03)}
.draw-btn.arrow.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.draw-btn.rect{background:transparent;color:var(--text2);border-color:rgba(255,255,255,0.1)}
.draw-btn.rect:hover{color:var(--text);border-color:rgba(255,255,255,0.2);background:rgba(255,255,255,0.03)}
.draw-btn.rect.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ============================================================
   CHAT PANEL
   ============================================================ */
.chat-panel{
  position:fixed;top:52px;right:0;bottom:0;width:420px;
  background:var(--surface);border-left:1px solid rgba(255,255,255,0.05);
  z-index:998;transform:translateX(100%);
  transition:transform 0.3s cubic-bezier(0.4,0,0.2,1),width 0.25s cubic-bezier(0.4,0,0.2,1);
  display:flex;flex-direction:column;
}
.chat-panel.open{transform:translateX(0)}
.chat-panel-header{
  padding:10px 16px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
}
.chat-panel-title{font-size:14px;font-weight:600;color:var(--text)}
.chat-header-actions{display:flex;align-items:center;gap:6px}
.chat-header-icon-btn{
  width:28px;height:28px;border-radius:6px;border:none;
  background:transparent;color:var(--text3);font-size:14px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.chat-header-icon-btn:hover{background:var(--surface2);color:#fff}
.chat-panel-close{
  width:28px;height:28px;border-radius:var(--radius-sm);border:none;
  background:transparent;color:var(--text3);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.chat-panel-close:hover{background:var(--surface2);color:#fff}

.chat-history-menu{
  display:none;position:absolute;top:100%;right:0;margin-top:4px;
  min-width:240px;max-height:260px;overflow-y:auto;
  background:var(--surface);border:1px solid rgba(255,255,255,0.08);
  border-radius:8px;box-shadow:var(--shadow-panel);z-index:1100;
}
.chat-history-menu.show{display:block}
.chat-history-list{padding:4px 0}
.chat-history-item{
  padding:10px 14px;cursor:pointer;font-size:12px;color:var(--text2);
  display:flex;align-items:center;justify-content:space-between;
  transition:background 0.15s;
}
.chat-history-item:hover{background:var(--surface2);color:#fff}
.chat-history-item.active{color:var(--primary);background:var(--primary-bg)}
.chat-history-item-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;margin-right:8px}
.chat-history-item-del{color:var(--text3);font-size:14px;padding:2px 6px;border-radius:4px;flex-shrink:0}
.chat-history-item-del:hover{color:var(--danger);background:rgba(184,90,90,0.15)}

.chat-images-preview{padding:8px 16px 0;display:flex;flex-wrap:wrap;gap:8px}
.chat-thumb{
  position:relative;width:60px;height:60px;border-radius:6px;
  border:1px solid var(--border);overflow:hidden;flex-shrink:0;
}
.chat-thumb img{width:100%;height:100%;object-fit:cover;background:transparent!important}
.chat-thumb-del{
  position:absolute;top:2px;right:2px;width:18px;height:18px;border-radius:50%;
  background:rgba(0,0,0,0.75);color:#fff;border:none;font-size:10px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.chat-thumb-del:hover{background:var(--danger)}
.chat-thumb-badge{position:absolute;bottom:2px;right:2px;font-size:13px;pointer-events:none;background:rgba(0,0,0,0.6);border-radius:3px;padding:0 2px}

.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}
.chat-msg{max-width:85%;padding:10px 14px;border-radius:var(--radius);font-size:13px;line-height:1.6}
.chat-msg.user{align-self:flex-end;background:var(--surface2);color:var(--text);border-bottom-right-radius:4px;border:1px solid rgba(255,255,255,0.08)}
.chat-msg.assistant{align-self:flex-start;background:var(--surface2);color:var(--text);border-bottom-left-radius:4px}
.chat-msg img{max-width:200px;border-radius:var(--radius-sm);margin-top:6px;display:block}
.chat-msg img,.chat-msg img[src],.chat-msg img[alt]{background:transparent!important;background-color:transparent!important}
.chat-msg.user img{margin:-4px -6px;max-width:calc(100% + 12px);border-radius:6px}
.chat-msg.loading{color:var(--text3)}
.chat-loading-dots{display:inline-flex;align-items:center;gap:2px}
.chat-loading-dots .dot{width:4px;height:4px;border-radius:50%;background:var(--text3);animation:chatDotBounce 1.4s infinite both}
.chat-loading-dots .dot:nth-child(2){animation-delay:0.2s}
.chat-loading-dots .dot:nth-child(3){animation-delay:0.4s}
@keyframes chatDotBounce{0%,80%,100%{opacity:0}40%{opacity:1}}
.chat-msg.chat-error{display:flex;align-items:center;gap:10px}
.chat-retry-btn{
  padding:3px 10px;border-radius:4px;border:1px solid var(--accent-gold);
  background:rgba(200,169,117,0.08);color:var(--accent-gold);
  font-size:11px;cursor:pointer;transition:var(--transition);
  white-space:nowrap;font-family:inherit;
}
.chat-retry-btn:hover{background:rgba(200,169,117,0.18);color:#e8d5a3}
.chat-prompts-area{padding:10px 16px 4px;display:flex;flex-wrap:wrap;gap:8px;max-height:100px;overflow-y:auto;flex-shrink:0}
.chat-prompt-tag{
  padding:3px 10px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface2);color:var(--text2);font-size:11px;
  cursor:pointer;transition:var(--transition);white-space:nowrap;
}
.chat-prompt-tag:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.chat-input-area{padding:8px 16px 12px;border-top:1px solid var(--border);flex-shrink:0}
.chat-input-row{display:flex;gap:8px;align-items:flex-end}
.chat-attach-btn{
  width:34px;height:34px;border-radius:var(--radius-sm);border:1px solid var(--border);
  background:var(--surface2);color:var(--text2);font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:var(--transition);
}
.chat-attach-btn:hover{background:var(--primary-bg);color:#fff;border-color:var(--primary)}
.chat-input{
  flex:1;padding:8px 12px;border-radius:var(--radius-sm);
  background:#181b23;border:1px solid var(--border);
  color:var(--text);font-size:13px;outline:none;font-family:inherit;
  resize:none;min-height:34px;max-height:200px;line-height:1.5;
}
.chat-input:focus{border-color:var(--primary)}
.chat-input::placeholder{color:var(--text3)}
.chat-send-btn{
  width:34px;height:34px;border-radius:var(--radius-sm);border:none;
  background:var(--primary);color:#fff;font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:var(--transition);
}
.chat-send-btn:hover{background:var(--primary-hover);transform:scale(1.05)}
.chat-send-btn:disabled{opacity:0.6;cursor:not-allowed;transform:none}
.chat-model-select{
  width:90px;padding:5px 6px;border-radius:var(--radius-sm);
  background:#181b23;border:1px solid var(--border);
  color:var(--text);font-size:11px;outline:none;cursor:pointer;flex-shrink:0;
}
.chat-model-select:focus{border-color:var(--primary)}

/* ============================================================
   HISTORY PANEL
   ============================================================ */
.history-panel{
  position:fixed;top:52px;left:200px;bottom:0;width:340px;
  background:var(--surface);border-right:1px solid rgba(255,255,255,0.05);
  z-index:997;transform:translateX(-100%);
  transition:transform 0.3s cubic-bezier(0.4,0,0.2,1),left 0.25s cubic-bezier(0.4,0,0.2,1),width 0.25s cubic-bezier(0.4,0,0.2,1);
  display:flex;flex-direction:column;
}
.history-panel.open{transform:translateX(0)}
.history-panel-header{
  padding:14px 16px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
}
.history-list{flex:1;overflow-y:auto;padding:12px}
.history-item{
  padding:12px;border-radius:var(--radius-sm);border:1px solid var(--border);
  margin-bottom:8px;cursor:pointer;transition:var(--transition);
}
.history-item:hover{background:var(--surface2);border-color:var(--primary)}
.history-item-img{width:100%;border-radius:4px;margin-bottom:8px;max-height:160px;object-fit:contain;background:#181b23}
.history-item-video{width:100%;border-radius:4px;margin-bottom:8px;max-height:160px;overflow:hidden;position:relative;background:#000}
.history-item-video video{width:100%;height:100%;object-fit:cover}
.history-video-badge{position:absolute;top:6px;right:6px;font-size:16px;opacity:0.85;pointer-events:none}
.history-item-prompt{font-size:12px;color:var(--text2);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.history-item-meta{display:flex;justify-content:space-between;margin-top:6px;font-size:11px;color:var(--text3)}
.history-item-placeholder{
  width:100%;aspect-ratio:1.35;background:#181b23;
  border-radius:4px;margin-bottom:8px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;color:var(--text3);font-size:12px;border:1px solid var(--border);
}
.history-progress{width:80%;height:4px;background:var(--border);border-radius:2px;overflow:hidden}
.history-progress-bar{height:100%;background:var(--primary);border-radius:2px;transition:width 0.5s}

.wf-name-bar{display:flex;align-items:center;gap:8px;margin-left:12px;flex-shrink:0;white-space:nowrap}
.wf-name-text{font-size:14px;font-weight:600;color:#fff;cursor:pointer;overflow:hidden;text-overflow:ellipsis;max-width:200px}
.wf-name-text:hover{color:var(--accent-gold)}
.wf-rename-btn{font-size:11px;color:var(--text3);cursor:pointer;background:none;border:none}
.wf-rename-btn:hover{color:var(--primary)}

/* ============================================================
   IMAGE PREVIEW OVERLAY
   ============================================================ */
.image-preview-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,0.85);z-index:3000;
  display:none;align-items:center;justify-content:center;padding:40px;cursor:pointer;
}
.image-preview-overlay.active{display:flex}
.image-preview-container{position:relative;max-width:90vw;max-height:90vh;display:flex;flex-direction:column;align-items:center;cursor:default}
.image-preview-container img{max-width:90vw;max-height:calc(100% - 60px);object-fit:contain;border-radius:var(--radius);box-shadow:0 8px 40px rgba(0,0,0,0.5);flex-shrink:1;min-height:0}
.image-preview-info{flex-shrink:0;margin-top:12px;color:var(--text3);font-size:12px;text-align:center;max-width:600px;line-height:1.5}
.image-preview-info .image-mask-btn{width:auto;white-space:nowrap;flex-shrink:0}
.image-preview-close{
  position:absolute;top:-40px;right:0;width:32px;height:32px;
  border-radius:50%;border:1px solid rgba(255,255,255,0.3);
  background:rgba(0,0,0,0.6);color:#fff;font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:var(--transition);
}
.image-preview-close:hover{background:var(--danger);border-color:transparent}

/* ============================================================
   WORKFLOW MODAL
   ============================================================ */
.workflow-modal{
  position:fixed;inset:0;background:rgba(0,0,0,0.7);z-index:2500;
  display:none;justify-content:center;align-items:center;padding:20px;
}
.workflow-modal.active{display:flex}
.workflow-dialog{
  background:var(--surface);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,0.08);
  width:100%;max-width:500px;max-height:80vh;display:flex;flex-direction:column;box-shadow:var(--shadow-panel);
}
.workflow-dialog-header{
  padding:16px 20px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;flex-shrink:0;
}
.workflow-dialog-title{font-size:15px;font-weight:600;color:#fff}
.workflow-dialog-body{padding:20px;overflow-y:auto;flex:1}
.workflow-list-item{
  padding:14px;border-radius:var(--radius-sm);border:1px solid var(--border);
  margin-bottom:8px;cursor:pointer;transition:var(--transition);display:flex;justify-content:space-between;align-items:center;
}
.workflow-list-item:hover{background:var(--surface2);border-color:var(--primary)}
.workflow-list-item .name{font-size:13px;color:var(--text);font-weight:500}
.workflow-list-item .date{font-size:11px;color:var(--text3)}
.workflow-save-row{display:flex;gap:8px;margin-top:12px}
.workflow-save-input{
  flex:1;padding:8px 12px;border-radius:var(--radius-sm);
  background:#181b23;border:1px solid var(--border);
  color:var(--text);font-size:13px;outline:none;
}
.workflow-save-input:focus{border-color:var(--primary)}
.workflow-save-input::placeholder{color:var(--text3)}

/* ============================================================
   TOAST
   ============================================================ */
#global-toast{
  position:fixed;bottom:70px;left:50%;transform:translateX(-50%);
  background:var(--primary);color:#fff;padding:10px 24px;border-radius:24px;
  font-size:13px;z-index:4000;pointer-events:none;opacity:0;transition:opacity 0.3s;
}

input[type=file]{display:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1000px){
  .logo-sub{display:none}
  .topbar-btn{padding:5px 10px;font-size:11px;gap:3px}
  .topbar{gap:8px;padding:0 10px}
}
@media(max-width:768px){
  .chat-panel{width:100%}
  .history-panel{width:100%}
  .node-ai{width:340px}
  .topbar{gap:5px;padding:0 6px}
  .logo-title{font-size:13px}
  .logo-icon{width:28px;height:28px;font-size:8px}
  .logo-wrap{gap:6px}
  .topbar-btn{padding:4px 8px;font-size:10px}
}

/* ============================================================
   SHARE BUTTON
   ============================================================ */
.btn-share{
  border-color: rgba(200,169,117,0.25) !important;
  color: var(--accent-gold) !important;
}
.btn-share:hover{
  background: rgba(200,169,117,0.12) !important;
  border-color: var(--accent-gold) !important;
  color: #e8d5a3 !important;
}

/* ============================================================
   REFERRAL PANEL
   ============================================================ */
.referral-panel{
  position:fixed;top:52px;right:0;bottom:0;width:420px;z-index:999;
  background: var(--surface);border-left:1px solid rgba(255,255,255,0.06);
  box-shadow:-4px 0 30px rgba(0,0,0,0.5);
  display:flex;flex-direction:column;
  animation:panelSlideIn 0.25s cubic-bezier(0.4,0,0.2,1);
}
@keyframes panelSlideIn{
  from{transform:translateX(100%)}
  to{transform:translateX(0)}
}
.referral-panel.hidden{display:none}
.referral-panel .panel-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;background:var(--surface2);
  border-bottom:1px solid rgba(255,255,255,0.06);
  font-size:14px;font-weight:600;color:var(--text);flex-shrink:0;
}
.referral-panel .panel-close{
  width:28px;height:28px;border-radius:6px;border:none;
  background:transparent;color:var(--text3);cursor:pointer;
  font-size:14px;display:flex;align-items:center;justify-content:center;
  transition:var(--transition);
}
.referral-panel .panel-close:hover{background:rgba(255,255,255,0.06);color:#fff}
.referral-panel .panel-body{flex:1;overflow-y:auto;padding:16px}

/* 统计概览 */
.ref-stats{
  display:flex;gap:10px;margin-bottom:24px;
}
.ref-stat{
  flex:1;text-align:center;padding:16px 8px;
  background:var(--surface2);border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,0.05);
}
.ref-stat-num{
  display:block;font-size:22px;font-weight:700;color:var(--accent-gold);
  margin-bottom:4px;
}
.ref-stat-label{
  font-size:11px;color:var(--text3);
}

.ref-stat-code{
  cursor:pointer;transition:var(--transition);
}
.ref-stat-code:hover{
  background:rgba(200,169,117,0.08);border-color:rgba(200,169,117,0.2);
}

/* 空状态 */
.ref-empty{
  text-align:center;padding:48px 20px;color:var(--text3);font-size:13px;
}
.ref-empty-icon{font-size:48px;margin-bottom:16px}
.ref-share-btn{
  margin-top:20px;padding:10px 24px;border-radius:var(--radius-sm);
  border:1.5px solid var(--accent-gold);
  background:rgba(200,169,117,0.08);color:var(--accent-gold);
  font-size:13px;cursor:pointer;transition:var(--transition);
}
.ref-share-btn:hover{background:rgba(200,169,117,0.18)}

/* 树形结构 */
.ref-tree{padding-bottom:20px}
.ref-tree-root{
  padding:10px 14px;margin-bottom:12px;border-radius:var(--radius-sm);
  background:linear-gradient(135deg,rgba(200,169,117,0.12),rgba(200,169,117,0.04));
  border:1px solid rgba(200,169,117,0.2);color:var(--accent-gold);
  font-weight:600;font-size:14px;display:inline-block;
}

.ref-node{position:relative;margin-bottom:2px}
.ref-node-line{
  position:absolute;left:10px;top:0;width:1px;
  background:rgba(255,255,255,0.06);
}
.ref-node:last-child>.ref-node-line{height:60%}
.ref-node:not(:last-child)>.ref-node-line{height:100%}
.ref-node-card{
  display:flex;align-items:center;gap:8px;padding:8px 12px;
  border-radius:var(--radius-sm);cursor:default;transition:var(--transition);
  position:relative;margin-left:20px;
}
.ref-node-card::before{
  content:'';position:absolute;left:-16px;top:50%;
  width:14px;height:1px;background:rgba(255,255,255,0.06);
}
.ref-node-card.expandable{cursor:pointer}
.ref-node-card:hover{background:rgba(255,255,255,0.03)}
.ref-node-arrow{font-size:10px;color:var(--text3);width:14px;text-align:center;flex-shrink:0}
.ref-node-name{font-size:13px;color:var(--text);font-weight:500}
.ref-node-time{font-size:11px;color:var(--text3);margin-left:auto}
.ref-node-children{margin-top:2px}

@media(max-width:768px){
  .referral-panel{width:100%}
}

/* ============================================================
   FORM INPUTS (used in modals)
   ============================================================ */
.input-group{
  margin-bottom:16px;position:relative;
}
.input-label{
  display:block;font-size:11px;color:var(--text3);margin-bottom:6px;font-weight:500;
}
.input-wrapper{
  position:relative;
}
.input-error{
  font-size:11px;color:#b85a5a;margin-top:6px;display:none;
}
.input-error.show{
  display:block;animation:fadeIn 0.2s ease;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}