/* ============================================================
   LINGXI INDUSTRY V7.1.0 — MAXIMALIST MOTION DESIGN
   ============================================================ */
:root {
  --pri: #059669; --pri-light: #10b981; --pri-lighter: #34d399;
  --pri-glow-1: #06b6d4; --pri-glow-2: #8b5cf6;
  --pri-bg: rgba(5,150,105,0.08); --pri-glow: rgba(5,150,105,0.18);
  --bg: #030308; --bg-card: #080812; --bg-elevated: #0c0c18; --bg-panel: #080812;
  --text: #e4e6ed; --text-secondary: #9ca3b2; --text-muted: #5f6878;
  --border: #141420; --border-light: #1e1e30;
  --danger: #f43f5e; --success: #22c55e; --warning: #f59e0b;
  --radius: 10px; --radius-sm: 6px; --radius-lg: 14px; --radius-xl: 18px;
  --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;font-family:var(--font);background:var(--bg);color:var(--text);overflow:hidden}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--pri),var(--pri-glow-1));border-radius:2px}
::selection{background:var(--pri-glow);color:var(--pri-light)}
/* ============ LOADING SCREEN ============ */
#loading-screen {
  position:fixed;top:0;left:0;width:100%;height:100%;z-index:9999;
  background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;
  transition:opacity 0.6s var(--ease-out-expo),visibility 0.6s;
}
#loading-screen.hidden {opacity:0;visibility:hidden;pointer-events:none}
.loading-ring {
  width:60px;height:60px;border-radius:50%;
  background:conic-gradient(from 0deg,var(--pri),var(--pri-glow-1),var(--pri-glow-2),var(--pri));
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 4px));
  mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 4px));
  animation:loadSpin 1.2s linear infinite;
  box-shadow:0 0 60px rgba(5,150,105,0.3),0 0 120px rgba(6,182,212,0.15);
}
@keyframes loadSpin {to{transform:rotate(360deg)}}
.loading-text {
  margin-top:20px;font-size:13px;color:var(--text-secondary);letter-spacing:2px;
  animation:loadPulse 1.5s ease-in-out infinite;
}
@keyframes loadPulse {0%,100%{opacity:0.4}50%{opacity:1}}
/* ============ BG CANVAS ============ */
#bg-canvas{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}
/* Floating orbs */
.bg-orb {
  position:fixed;border-radius:50%;pointer-events:none;z-index:0;
  filter:blur(80px);opacity:0.06;
  animation:orbFloat 20s ease-in-out infinite;
}
.bg-orb:nth-child(1){width:400px;height:400px;background:var(--pri);top:-10%;left:-5%;animation-delay:0s}
.bg-orb:nth-child(2){width:350px;height:350px;background:var(--pri-glow-1);bottom:-15%;right:-8%;animation-delay:-7s}
.bg-orb:nth-child(3){width:300px;height:300px;background:var(--pri-glow-2);top:40%;left:60%;animation-delay:-14s}
@keyframes orbFloat {
  0%,100%{transform:translate(0,0) scale(1)}
  25%{transform:translate(60px,-40px) scale(1.1)}
  50%{transform:translate(-30px,50px) scale(0.95)}
  75%{transform:translate(-50px,-20px) scale(1.05)}
}
/* ============ APP LAYOUT ============ */
.app{display:flex;height:100vh;width:100vw;overflow:hidden;position:relative;z-index:1}
/* ============ SIDEBAR ============ */
.sidebar{
  width:300px;min-width:300px;
  background:rgba(6,6,16,0.92);-webkit-backdrop-filter:blur(30px) saturate(1.4);backdrop-filter:blur(30px) saturate(1.4);-webkit-backdrop-filter:blur(30px) saturate(1.4);backdrop-filter:blur(30px) saturate(1.4);
  display:flex;flex-direction:column;border-right:1px solid var(--border);
  z-index:10;transition:width 0.35s var(--ease-out-expo);
  position:relative;overflow:hidden;
}
/* Sidebar flowing border */
.sidebar::before {
  content:'';position:absolute;top:0;right:0;width:1px;height:100%;
  background:linear-gradient(180deg,transparent,var(--pri),var(--pri-glow-1),var(--pri),transparent);
  background-size:100% 300%;animation:flowBorder 4s ease-in-out infinite;
  opacity:0.6;
}
@keyframes flowBorder {
  0%,100%{background-position:0% 0%}
  50%{background-position:0% 100%}
}
.brand{
  display:flex;align-items:center;gap:10px;padding:16px 14px;
  border-bottom:1px solid var(--border);flex-shrink:0;
  position:relative;overflow:hidden;
}
.brand::after {
  content:'';position:absolute;bottom:0;left:0;width:100%;height:1px;
  background:linear-gradient(90deg,transparent,var(--pri),var(--pri-glow-1),transparent);
  animation:brandShimmer 3s ease-in-out infinite;
}
@keyframes brandShimmer {
  0%,100%{opacity:0.3;transform:translateX(-100%)}
  50%{opacity:1;transform:translateX(100%)}
}
.brand-logo{background:var(--pri);color:#fff;
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--pri),var(--pri-glow-1),var(--pri-glow-2));
  background-size:200% 200%;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;color:#fff;
  box-shadow:0 0 28px var(--pri-glow),0 0 60px rgba(5,150,105,0.12);
  animation:logoShine 3s ease-in-out infinite;
  transition:transform 0.3s var(--ease-out-back);
}
.brand-logo:hover{transform:scale(1.1) rotate(-5deg)}
@keyframes logoShine {
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}
.brand-info{display:flex;flex-direction:column;overflow:hidden}
.brand-name{
  font-size:14px;font-weight:700;color:#fff;letter-spacing:-0.3px;white-space:nowrap;
  background:linear-gradient(90deg,#fff,var(--pri-lighter),#fff);
  background-size:200% 100%;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  animation:shimmerText 4s ease-in-out infinite;
}
@keyframes shimmerText {
  0%,100%{background-position:200% 50%}
  50%{background-position:0% 50%}
}
.brand-domain{font-size:10px;color:var(--pri-lighter);opacity:0.7}
.version-badge{
  font-size:9px;padding:1px 7px;border-radius:10px;
  background:var(--pri-bg);color:var(--pri-lighter);
  font-weight:600;margin-top:2px;display:inline-block;width:fit-content;
  border:1px solid rgba(5,150,105,0.15);
  animation:badgePulse 2s ease-in-out infinite;
}
@keyframes badgePulse {
  0%,100%{box-shadow:0 0 0 rgba(5,150,105,0)}
  50%{box-shadow:0 0 12px rgba(5,150,105,0.2)}
}
/* ============ NAV ============ */
.side-nav{flex:1;overflow-y:auto;padding:4px 8px}
.nav-group{margin-bottom:1px}
.nav-group-header{background:rgba(5,150,105,0.2);border-radius:6px;margin:2px 6px;padding:4px 8px;transition:all 0.3s;border-left:2px solid transparent;
  display:flex;align-items:center;gap:6px;padding:8px 10px;
  cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:6px;
  transition:all var(--transition);
  position:relative;
}
.nav-group-header::before {
  content:'';position:absolute;inset:0;border-radius:6px;
  background:linear-gradient(90deg,transparent,rgba(5,150,105,0.06),transparent);
  opacity:0;transition:opacity 0.3s;
}
.nav-group-header:hover::before{opacity:1}
.nav-group-header:hover{background:rgba(5,150,105,0.35);border-left:2px solid var(--pri);transform:translateX(2px);background:rgba(255,255,255,0.02)}
.group-arrow{
  font-size:9px;color:rgba(255,255,255,0.2);
  transition:transform 0.35s var(--ease-out-expo);
  width:12px;flex-shrink:0;display:inline-block;
}
.nav-group.open .group-arrow{transform:rotate(90deg);color:var(--pri-lighter)}
.group-title{
  font-size:12.5px;font-weight:600;color:rgba(255,255,255,0.5);
  letter-spacing:0.3px;flex:1;transition:color 0.2s;
}
.nav-group.open .group-title{color:rgba(255,255,255,0.7)}
.group-count{
  font-size:10px;color:#fff;font-weight:600;min-width:18px;height:18px;
  background:var(--pri);border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  padding:0;line-height:1;
  box-shadow:0 0 8px var(--pri-glow);
  transition:transform 0.3s var(--ease-out-back);
}
.nav-group-header:hover .group-count{transform:scale(1.15)}
.nav-group-items{
  max-height:0;overflow:hidden;
  transition:max-height 0.45s var(--ease-out-expo);
}
.nav-group.open .nav-group-items{max-height:2000px}
/* Nav items */
.nav-item{
  display:flex;align-items:center;gap:10px;padding:8px 10px;
  cursor:pointer;color:rgba(255,255,255,0.45);font-size:12.5px;
  border-radius:8px;transition:all 0.3s var(--ease-out-expo);font-weight:500;
  position:relative;white-space:nowrap;
  overflow:hidden;
}
.nav-item::before {
  content:'';position:absolute;inset:0;border-radius:8px;
  background:linear-gradient(135deg,rgba(5,150,105,0.08),rgba(6,182,212,0.04));
  opacity:0;transition:opacity 0.3s;
}
.nav-item:hover{background:rgba(5,150,105,0.08);color:rgba(255,255,255,0.85);transform:translateX(3px);box-shadow:inset 2px 0 0 var(--pri)}
.nav-item:hover::before{opacity:1}
.nav-item:active{transform:scale(0.97)}
.nav-item.active{
  background:var(--pri-bg);color:#fff;
  box-shadow:inset 2px 0 0 var(--pri),0 0 20px rgba(5,150,105,0.08);
  animation:activeGlow 2s ease-in-out infinite;
}
@keyframes activeGlow {
  0%,100%{box-shadow:inset 2px 0 0 var(--pri),0 0 20px rgba(5,150,105,0.08)}
  50%{box-shadow:inset 2px 0 0 var(--pri),0 0 30px rgba(5,150,105,0.15)}
}
.nav-icon{
  width:26px;height:26px;border-radius:6px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;background:rgba(255,255,255,0.04);
  transition:all 0.3s var(--ease-out-expo);
}
.nav-item:hover .nav-icon{background:rgba(255,255,255,0.08);transform:scale(1.08)}
.nav-item.active .nav-icon{background:var(--pri-glow);box-shadow:0 0 12px var(--pri-glow)}
.nav-badge{
  font-size:8px;padding:1px 6px;border-radius:8px;
  background:rgba(245,158,11,0.15);color:var(--warning);
  margin-left:auto;font-weight:600;
  animation:badgeBreath 2s ease-in-out infinite;
}
@keyframes badgeBreath {
  0%,100%{opacity:0.7}50%{opacity:1}
}
/* Collapsible sub */
.nav-sub-parent{cursor:pointer;position:relative}
.nav-sub-parent .sub-arrow{margin-left:auto;font-size:10px;color:var(--text-muted);transition:transform 0.3s var(--ease-out-expo)}
.nav-sub-parent.open .sub-arrow{transform:rotate(90deg);color:var(--pri-lighter)}
.nav-sub-items{max-height:0;overflow:hidden;transition:max-height 0.4s var(--ease-out-expo)}
.nav-sub-items.open{max-height:400px}
.sub-item{padding-left:40px!important;font-size:12px}
/* Item tags */
.item-tag{
  font-size:7.5px;padding:1px 5px;border-radius:6px;margin-left:auto;
  font-weight:700;letter-spacing:0.3px;white-space:nowrap;flex-shrink:0;
  transition:transform 0.2s var(--ease-out-back);
}
.nav-item:hover .item-tag{transform:scale(1.1)}
.tag-hot{background:rgba(245,158,11,0.15);color:#f59e0b;animation:tagFlicker 1.5s ease-in-out infinite}
.tag-new{background:rgba(59,130,246,0.15);color:#60a5fa}
.tag-pro{background:rgba(139,92,246,0.15);color:#a78bfa}
.tag-trial{background:rgba(6,182,212,0.12);color:#22d3ee}
.tag-free{background:rgba(34,197,94,0.12);color:#22c55e}
.tag-auto{background:rgba(239,68,68,0.12);color:#f87171}
.tag-default{background:rgba(255,255,255,0.06);color:rgba(255,255,255,0.35)}
@keyframes tagFlicker {
  0%,100%{opacity:1}50%{opacity:0.5}
}
/* Side footer */
.side-footer{
  padding:10px 14px;border-top:1px solid var(--border);
  display:flex;align-items:center;gap:8px;flex-shrink:0;
}
.avatar{
  width:28px;height:28px;border-radius:7px;flex-shrink:0;
  background:linear-gradient(135deg,var(--pri),var(--pri-glow-1));
  background-size:200% 200%;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;
  animation:logoShine 3s ease-in-out infinite;
  transition:transform 0.3s var(--ease-out-back);
}
.avatar:hover{transform:scale(1.12)}
.footer-user{font-size:11px;color:rgba(255,255,255,0.4);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.online-dot{
  width:6px;height:6px;border-radius:50%;background:var(--success);
  flex-shrink:0;box-shadow:0 0 10px rgba(34,197,94,0.6);
  animation:dotPulse 2s ease-in-out infinite;
}
@keyframes dotPulse {
  0%,100%{box-shadow:0 0 6px rgba(34,197,94,0.4)}
  50%{box-shadow:0 0 16px rgba(34,197,94,0.8)}
}
.side-bottom-links{padding:6px 12px 10px;display:flex;flex-direction:column;gap:4px}
.side-bottom-row{display:flex;gap:4px;flex-wrap:wrap;font-size:10px;color:rgba(255,255,255,0.25)}
.side-bottom-row a{
  color:rgba(255,255,255,0.3);text-decoration:none;padding:2px 6px;
  border-radius:4px;transition:all var(--transition);
}
.side-bottom-row a:hover{color:rgba(255,255,255,0.7);background:rgba(255,255,255,0.04)}
.side-bottom-row a:hover .item-tag{transform:scale(1.1)}
/* ============ MAIN ============ */
.main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0;position:relative}
/* Topbar */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 20px;border-bottom:1px solid var(--border);
  background:rgba(5,5,8,0.85);-webkit-backdrop-filter:blur(20px) saturate(1.4);backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);backdrop-filter:blur(20px) saturate(1.4);
  min-height:46px;flex-shrink:0;
  position:relative;z-index:5;
}
/* Topbar flowing border bottom */
.topbar::after {
  content:'';position:absolute;bottom:0;left:0;width:100%;height:1px;
  background:linear-gradient(90deg,transparent,var(--pri),var(--pri-glow-1),var(--pri),transparent);
  background-size:200% 100%;
  animation:topbarFlow 3s ease-in-out infinite;
  opacity:0.4;
}
@keyframes topbarFlow {
  0%,100%{background-position:-200% 50%}
  50%{background-position:200% 50%}
}
.topbar-left{display:flex;align-items:center;gap:10px}
.topbar-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--success);box-shadow:0 0 12px rgba(34,197,94,0.6);
  animation:dotPulse 2s ease-in-out infinite;
}
.topbar-title{font-size:13px;font-weight:500;color:var(--text-secondary)}
.topbar-title span{color:#fff;font-weight:600}
.topbar-right{display:flex;align-items:center;gap:6px}
/* Topbar buttons */
.tb-btn{
  padding:5px 12px;border-radius:6px;border:1px solid transparent;
  font-size:11px;font-weight:500;cursor:pointer;
  background:transparent;color:var(--text-secondary);
  transition:all var(--transition);
  position:relative;overflow:hidden;
}
.tb-btn::after {
  content:'';position:absolute;inset:0;border-radius:6px;
  background:radial-gradient(circle at var(--x,50%) var(--y,50%),rgba(255,255,255,0.1),transparent 70%);
  opacity:0;transition:opacity 0.3s;
}
.tb-btn:hover{background:var(--bg-elevated);color:#fff;border-color:var(--border-light);transform:translateY(-1px)}
.tb-btn:hover::after{opacity:1}
.tb-btn:active{transform:scale(0.96)}
.tb-btn.accent{background:var(--pri-bg);color:var(--pri-lighter);border-color:rgba(5,150,105,0.2)}
.tb-btn.accent:hover{background:rgba(5,150,105,0.12);color:var(--pri-light);box-shadow:0 0 16px var(--pri-glow)}
.tb-btn-login{
  padding:5px 14px;border-radius:6px;border:1px solid var(--border-light);
  font-size:11px;font-weight:500;cursor:pointer;
  background:transparent;color:var(--text-secondary);
  transition:all var(--transition);
}
.tb-btn-login:hover{background:rgba(255,255,255,0.04);color:#fff;border-color:var(--pri);transform:translateY(-1px)}
.tb-btn-register{
  padding:5px 14px;border-radius:6px;border:1px solid var(--pri);
  font-size:11px;font-weight:600;cursor:pointer;
  background:linear-gradient(135deg,var(--pri),var(--pri-light));
  color:#fff;transition:all var(--transition);
  position:relative;overflow:hidden;
}
.tb-btn-register::before {
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,transparent,rgba(255,255,255,0.15),transparent);
  transform:translateX(-100%);transition:transform 0.5s;
}
.tb-btn-register:hover{background:var(--pri-light);box-shadow:0 0 20px var(--pri-glow);transform:translateY(-1px)}
.tb-btn-register:hover::before{transform:translateX(100%)}
.tb-btn-register:active{transform:scale(0.96)}
/* Chat history button */
.chat-history-btn{
  position:relative;padding-right:12px;
}
.chat-history-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--success);
  position:absolute;top:4px;right:70px;
  animation:pulseDot 2s ease-in-out infinite;
}
.chat-history-count{
  font-size:10px;
  background:rgba(5,150,105,0.2);color:var(--pri-lighter);
  padding:1px 6px;border-radius:10px;margin-left:4px;
}
@keyframes pulseDot{
  0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(5,150,105,0.6)}
  50%{opacity:0.7;box-shadow:0 0 0 4px rgba(5,150,105,0)}
}
/* ============ RIGHT FLOAT BUBBLES ============ */
.float-bubbles {
  position: fixed; right: 16px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 16px; z-index: 100;
}
.float-bubble {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; position: relative;
  transition: all 0.3s var(--ease-out-expo);
  background: transparent; border: none; padding: 0;
}
.float-bubble .bubble-dot-pulse {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--pri);
  box-shadow: 0 0 8px var(--pri-glow);
  animation: bubblePulse 2s ease-in-out infinite;
  pointer-events: none;
}
@keyframes bubblePulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 6px var(--pri-glow); }
  50% { transform: scale(1.4); box-shadow: 0 0 14px var(--pri-glow); }
}
.float-bubble:hover .bubble-dot-pulse {
  transform: scale(1.6);
  box-shadow: 0 0 18px var(--pri-glow);
  animation: none;
}
.float-bubble .bubble-label {
  position: absolute; right: 36px; white-space: nowrap;
  background: var(--bg-card); color: #fff; font-size: 11px; font-weight: 500;
  padding: 5px 10px; border-radius: 5px; border: 1px solid var(--border-light);
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
}
.float-bubble:hover .bubble-label { opacity: 1; }
.float-bubble.active .bubble-dot-pulse {
  background: var(--pri-lighter);
  box-shadow: 0 0 16px var(--pri-glow);
  animation: none;
  transform: scale(1.5);
}
/* Help bubble: purple theme */
/*
  background: var(--pri-glow-2);
  box-shadow: 0 0 8px rgba(5,150,105,0.4);
.float-bubble.bubble-help:hover .bubble-dot-pulse {
  box-shadow: 0 0 18px rgba(139,92,246,0.5);
}
.float-bubble.bubble-help.active .bubble-dot-pulse {
  background: #a78bfa;
  box-shadow: 0 0 16px rgba(139,92,246,0.5);
}
/* ============ SIDE PANEL ============ */
.side-panel {
  position: fixed; right: 0; top: 0; width: 420px; height: 100vh;
  background: var(--bg-panel); border-left: 1px solid var(--border-light);
  z-index: 200; display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease-out-expo);
  box-shadow: -8px 0 30px rgba(0,0,0,0.5);
}
.side-panel.open { transform: translateX(0); }
.side-panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}
.side-panel-title { font-size: 14px; font-weight: 700; color: #fff; }
.side-panel-close {
  width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--border-light);
  background: transparent; color: var(--text-muted); font-size: 16px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.side-panel-close:hover { background: rgba(239,68,68,0.1); color: var(--danger); border-color: var(--danger); }
.side-panel-body {
  flex: 1; overflow-y: auto; padding: 16px 20px;
}
.help-section {
  margin-bottom: 16px; padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}
.help-section:last-child { border-bottom: none; margin-bottom: 0; }
/* ============ CHAT AREA ============ */
.chat-container{flex:1;display:flex;flex-direction:column;overflow:hidden}
.chat-messages{text-align:left;padding-left:16px
  flex:1;overflow-y:auto;padding:20px 24px;
  display:flex;flex-direction:column;gap:16px;
}
/* Welcome message */
.welcome-msg{
  text-align:center;padding:40px 20px 20px;
  animation:welcomeIn 0.8s var(--ease-out-expo);
  position:relative;
}
@keyframes welcomeIn {
  from{opacity:0;transform:translateY(30px) scale(0.96)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
.welcome-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;
  background:linear-gradient(135deg,var(--pri),var(--pri-glow-1),var(--pri-glow-2));
  background-size:300% 300%;
  display:flex;align-items:center;justify-content:center;
  font-size:28px;color:#fff;
  box-shadow:0 0 50px var(--pri-glow),0 0 100px rgba(5,150,105,0.1);
  animation:iconFloat 4s ease-in-out infinite, logoShine 4s ease-in-out infinite;
  transition:transform 0.3s var(--ease-out-back);
  cursor:default;
}
.welcome-icon:hover{transform:scale(1.08) translateY(-4px)}
@keyframes iconFloat {
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}
.welcome-msg h2{
  font-size:22px;font-weight:700;margin-bottom:6px;letter-spacing:-0.3px;
  background:linear-gradient(90deg,var(--pri-lighter),#fff,var(--pri-glow-1));
  background-size:200% 100%;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  animation:shimmerText 4s ease-in-out infinite;
}
.welcome-msg .hint{
  font-size:13px;color:var(--text-secondary);max-width:520px;
  margin:0 auto;line-height:1.6;
}
/* Message rows */
.msg-row{
  display:flex;gap:10px;
  animation:msgSlideIn 0.5s var(--ease-out-expo);
}
@keyframes msgSlideIn {
  from{opacity:0;transform:translateY(16px) scale(0.98)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
.msg-row.user{}
.msg-avatar{
  width:34px;height:34px;border-radius:9px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
  transition:transform 0.3s var(--ease-out-back);
}
.msg-avatar:hover{transform:scale(1.1) rotate(-3deg)}
.msg-avatar.ai{
  background:linear-gradient(135deg,var(--pri),var(--pri-glow-1));
  background-size:200% 200%;
  color:#fff;animation:logoShine 3s ease-in-out infinite;
}
.msg-avatar.user{background:var(--bg-elevated);color:var(--text);border:1px solid var(--border-light)}
.msg-bubble{
  width:fit-content;max-width:88%;padding:12px 16px;border-radius:var(--radius-lg);
  font-size:13px;line-height:1.6;word-break:break-word;
  position:relative;
  transition:transform 0.2s var(--ease-out-expo),box-shadow 0.2s;
}
.msg-bubble:hover{transform:translateY(-1px)}
.msg-bubble.ai{
  background:var(--bg-card);border:1px solid var(--border);
  border-top-left-radius:4px;
}
.msg-bubble.ai:hover{box-shadow:0 4px 20px rgba(0,0,0,0.3)}
.msg-bubble.user{
  background:var(--pri-bg);
  border:1px solid rgba(5,150,105,0.15);
  border-top-left-radius:4px;
}
.msg-bubble.user:hover{box-shadow:0 4px 20px rgba(5,150,105,0.1)}
.msg-time{font-size:10px;color:var(--text-muted);margin-top:4px;padding:0 4px}
/* ============ DATA CARD V7.1.0 ============ */
.data-card{
  margin-top:10px;background:var(--bg);
  border:1px solid var(--border-light);
  border-radius:var(--radius);overflow:hidden;
  position:relative;
  transition:transform 0.3s var(--ease-out-expo),box-shadow 0.3s;
}
.data-card::before {
  content:'';position:absolute;top:0;left:0;width:100%;height:100%;
  border-radius:var(--radius);
  background:linear-gradient(135deg,transparent 40%,rgba(5,150,105,0.03),transparent 60%);
  background-size:200% 200%;
  animation:cardSheen 3s ease-in-out infinite;
  pointer-events:none;
}
@keyframes cardSheen {
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}
.data-card:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(5,150,105,0.08)}
.data-card-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 14px;background:var(--bg-elevated);
  border-bottom:1px solid var(--border);font-size:12px;font-weight:600;
}
.data-card-body{padding:12px 14px;font-size:12px}
.data-card-table{
  width:100%;border-collapse:collapse;font-size:11px;
}
.data-card-table th{
  text-align:left;padding:6px 8px;border-bottom:1px solid var(--border);
  color:var(--text-muted);font-weight:600;text-transform:uppercase;font-size:10px;letter-spacing:0.3px;
}
.data-card-table td{
  padding:6px 8px;border-bottom:1px solid rgba(22,23,32,0.6);
  color:var(--text-secondary);transition:all 0.2s;
}
.data-card-table tr{transition:background 0.2s}
.data-card-table tbody tr:hover{background:rgba(255,255,255,0.02)}
.data-card-table tr:last-child td{border-bottom:none}
.data-card-actions{
  display:flex;gap:6px;padding:8px 14px;border-top:1px solid var(--border);
}
.dc-btn{
  padding:4px 10px;border-radius:5px;border:1px solid var(--border-light);
  font-size:11px;cursor:pointer;background:transparent;color:var(--text-secondary);
  transition:all 0.25s var(--ease-out-expo);display:flex;align-items:center;gap:4px;
  position:relative;overflow:hidden;
}
.dc-btn::after {
  content:'';position:absolute;inset:0;border-radius:5px;
  background:radial-gradient(circle at center,rgba(255,255,255,0.08),transparent 70%);
  opacity:0;transition:opacity 0.3s;
}
.dc-btn:hover{background:var(--bg-elevated);color:#fff;border-color:var(--pri);transform:translateY(-1px)}
.dc-btn:hover::after{opacity:1}
.dc-btn:active{transform:scale(0.96)}
.dc-btn.export{color:var(--pri-lighter);border-color:rgba(5,150,105,0.25)}
.dc-btn.export:hover{background:var(--pri-bg);box-shadow:0 0 12px rgba(5,150,105,0.15)}
/* Cross-system badge */
.cross-badge{
  display:inline-flex;align-items:center;gap:4px;margin-top:6px;
  padding:3px 8px;border-radius:4px;background:rgba(245,158,11,0.08);
  border:1px solid rgba(245,158,11,0.15);font-size:10px;color:var(--warning);
  animation:badgeBreath 2s ease-in-out infinite;
}
/* Thinking */
.thinking{
  display:flex;align-items:center;gap:10px;padding:14px 18px;
  color:var(--text-secondary);font-size:12px;
}
.thinking-dots{display:flex;gap:3px}
.thinking-dots span{
  width:5px;height:5px;border-radius:50%;
  background:linear-gradient(135deg,var(--pri),var(--pri-glow-1));
  animation:thinkBounce 1.4s ease-in-out infinite;
  box-shadow:0 0 6px var(--pri-glow);
}
.thinking-dots span:nth-child(2){animation-delay:0.2s}
.thinking-dots span:nth-child(3){animation-delay:0.4s}
@keyframes thinkBounce{0%,80%,100%{transform:scale(0.6);opacity:0.3}40%{transform:scale(1.2);opacity:1}}
/* ============ INPUT AREA V7.1.0 ============ */
.chat-input-area{
  padding:12px 20px 16px;border-top:1px solid var(--border);
  background:rgba(5,5,8,0.92);-webkit-backdrop-filter:blur(20px) saturate(1.4);backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);backdrop-filter:blur(20px) saturate(1.4);
}
.input-wrapper{
  display:flex;align-items:flex-end;gap:8px;
  background:var(--bg-card);border:1px solid rgba(5,150,105,0.35);
  border-radius:var(--radius-lg);padding:6px 8px 6px 14px;
  transition:all 0.3s var(--ease-out-expo);
  position:relative;overflow:hidden;
  box-shadow:0 0 0 rgba(5,150,105,0);
}
.input-wrapper:focus-within{
  border:2px solid var(--pri);
  box-shadow:0 0 18px rgba(5,150,105,0.15),0 0 40px rgba(5,150,105,0.05);
  padding:5px 7px 5px 13px;
}
.input-wrapper textarea{
  flex:1;border:none;outline:none;background:transparent;color:#fff;
  font-size:13px;font-family:var(--font);resize:none;padding:6px 0;
  max-height:120px;line-height:1.5;
}
.input-wrapper textarea::placeholder{color:var(--text-muted)}
.input-actions{display:flex;gap:4px;align-items:flex-end}
.ia-btn{
  width:34px;height:34px;border-radius:8px;border:none;
  background:transparent;color:var(--text-secondary);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;transition:all 0.25s var(--ease-out-expo);
  position:relative;overflow:hidden;
}
.ia-btn:hover{background:var(--bg-elevated);color:#fff;transform:scale(1.05)}
.ia-btn:active{transform:scale(0.92)}
.ia-btn.send{
  background:linear-gradient(135deg,var(--pri),var(--pri-light));
  color:#fff;font-size:16px;
}
.ia-btn.send::before {
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,transparent,rgba(255,255,255,0.2),transparent);
  transform:translateX(-100%);transition:transform 0.5s;
}
.ia-btn.send:hover{background:var(--pri-light);box-shadow:0 0 20px var(--pri-glow);transform:scale(1.08)}
.ia-btn.send:hover::before{transform:translateX(100%)}
.ia-btn.send:active{transform:scale(0.92)}
.ia-btn.send.loading{
  pointer-events:none;opacity:0.7;
}
.ia-btn.file-add{
  width:28px;height:28px;border-radius:50%;
  border:2px solid var(--pri);color:var(--pri-lighter);
  font-size:18px;font-weight:700;
  flex-shrink:0;margin-right:6px;
}
.ia-btn.file-add:hover{
  background:var(--pri-bg);color:var(--pri-light);
  box-shadow:0 0 12px var(--pri-glow);
}
.ia-btn.send .spin-icon{
  display:inline-block;animation:sendSpin 0.8s linear infinite;
}
@keyframes sendSpin{to{transform:rotate(360deg)}}
/* File drop zone */
.file-drop-zone{
  border:1px dashed var(--border-light);border-radius:var(--radius);
  margin-top:8px;padding:8px 14px;display:none;align-items:center;gap:8px;
  font-size:11px;color:var(--text-muted);
  transition:all 0.3s var(--ease-out-expo);
}
.file-drop-zone.active{
  display:flex;border-color:var(--pri);color:var(--pri-lighter);
  background:var(--pri-bg);
  animation:dropPulse 0.6s var(--ease-out-expo);
}
@keyframes dropPulse {
  0%{transform:scale(0.98)}50%{transform:scale(1.01)}100%{transform:scale(1)}
}
.file-tag{
  display:inline-flex;align-items:center;gap:4px;padding:3px 8px;
  border-radius:5px;background:var(--bg-elevated);border:1px solid var(--border-light);
  font-size:11px;color:var(--text-secondary);
  animation:tagIn 0.3s var(--ease-out-back);
}
@keyframes tagIn {
  from{opacity:0;transform:scale(0.8)}to{opacity:1;transform:scale(1)}
}
.file-tag .remove{cursor:pointer;color:var(--text-muted);font-size:12px;transition:color 0.2s}
.file-tag .remove:hover{color:var(--danger)}
/* Quick hints */
.quick-hints{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.hint-chip{
  padding:4px 12px;border-radius:14px;font-size:11px;
  border:1px solid var(--border);color:var(--text-muted);
  cursor:pointer;transition:all 0.3s var(--ease-out-expo);
  background:transparent;white-space:nowrap;
  position:relative;overflow:hidden;
}
.hint-chip::before {
  content:'';position:absolute;inset:0;border-radius:14px;
  background:linear-gradient(135deg,rgba(5,150,105,0.08),transparent);
  opacity:0;transition:opacity 0.3s;
}
.hint-chip:hover{
  border-color:var(--pri);color:var(--pri-lighter);
  background:var(--pri-bg);transform:translateY(-2px);
  box-shadow:0 4px 12px rgba(5,150,105,0.1);
}
.hint-chip:hover::before{opacity:1}
.hint-chip:active{transform:scale(0.95)}
/* System ready message */
.system-ready-msg{
  text-align:center;padding:12px 20px;margin:8px 0;
  animation:sysReadyIn 0.4s var(--ease-out-expo);
}
@keyframes sysReadyIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.system-ready-bubble{
  display:inline-block;padding:8px 18px;border-radius:16px;
  background:rgba(255,255,255,0.02);border:1px solid var(--border);
  font-size:12px;color:var(--text-muted);
  position:relative;overflow:hidden;
}
.system-ready-bubble .sys-name{color:var(--pri-lighter);font-weight:600}
/* ============ SCROLL REVEAL ============ */
.reveal {
  opacity:0;transform:translateY(20px);
  transition:opacity 0.6s var(--ease-out-expo),transform 0.6s var(--ease-out-expo);
}
.reveal.visible{opacity:1;transform:translateY(0)}
/* ============ RIPPLE EFFECT ============ */
.ripple {
  position:absolute;border-radius:50%;
  background:rgba(255,255,255,0.15);
  transform:scale(0);animation:rippleAnim 0.6s ease-out;
  pointer-events:none;
}
@keyframes rippleAnim {to{transform:scale(4);opacity:0}}
/* ============ RESPONSIVE ============ */
@media(max-width:768px){
  .sidebar{width:56px;min-width:56px}
  .sidebar .brand-info,.sidebar .nav-item span,.sidebar .nav-section,.sidebar .version-badge,
  .sidebar .footer-user,.sidebar .nav-group-header,.sidebar .side-bottom-links{display:none}
  .sidebar .brand{padding:12px 8px;justify-content:center}
  .sidebar .nav-item{justify-content:center;padding:8px}
  .sidebar .nav-badge,.sidebar .item-tag{display:none}
  .chat-messages{text-align:left;padding-left:16px;padding:16px 12px}
  .msg-bubble{max-width:88%}
  /* KPI cards stack 2-column on tablet */
  .main .stat-grid{grid-template-columns:repeat(2,1fr)!important;gap:8px}
  .main .data-card-actions{flex-wrap:wrap}
  .topbar{flex-wrap:wrap;gap:4px;padding:8px 10px}
  .topbar .tb-right{flex-wrap:wrap;gap:4px}
}

/* Mobile phone <480px */
@media(max-width:480px){
  .sidebar{width:0;min-width:0;overflow:hidden;position:fixed;z-index:100;transition:width 0.3s}
  .sidebar.open{width:260px;min-width:260px}
  .app{flex-direction:column}
  .main{margin-left:0}
  .chat-messages{padding:10px 8px}
  .msg-bubble{max-width:95%;font-size:12px;padding:10px 12px}
  .msg-avatar{width:28px;height:28px;font-size:11px}
  .brand{display:none}
  .topbar .tb-title{font-size:12px!important}
  .topbar .tb-right .tb-btn{font-size:10px;padding:4px 8px}
  .stat-grid{grid-template-columns:1fr 1fr!important;gap:6px}
  .stat-card{padding:10px!important}
  .stat-card .stat-num{font-size:20px!important}
  .data-card-table{font-size:10px!important}
  .data-card-table th,.data-card-table td{padding:4px 6px!important}
  .dc-btn{font-size:10px;padding:3px 8px}
  .input-wrapper{padding:4px 8px}
  .input-wrapper textarea{font-size:12px}
  .hint-chip{font-size:10px;padding:3px 8px}
  .quick-hints{gap:4px}
  .side-bottom-links{display:none}
  .chat-input-area{padding:8px 8px 12px}
  .welcome-msg h2{font-size:16px}
  .welcome-msg .hint{font-size:11px}
  .float-bubble{width:32px;height:32px;font-size:12px}
  .data-card-header{font-size:11px;padding:8px 10px}
  .data-card-body{padding:8px 10px}
  .data-card-actions{padding:6px 10px}
  .v4-modules{grid-template-columns:repeat(2,1fr)!important;gap:6px}
  .v4-mod-card{font-size:11px;padding:8px 10px}
  .nav-item{font-size:11px;padding:6px 8px}
  .settings-panel-wrapper{padding:12px}
  .settings-panel-wrapper .stat-grid{grid-template-columns:1fr 1fr!important;gap:8px}
  .settings-panel-wrapper .stat-card{padding:10px}
  /* Mobile hamburger button */
  .mobile-hamburger{display:flex!important}
}
/* ============ SETTINGS PANEL ============ */
.settings-panel-wrapper {
  border-left: 3px solid var(--pri);
  border-radius: var(--radius);
  background: rgba(5,150,105,0.12);
  padding: 20px;
  margin: 4px 0;
  animation: panelSlideIn 0.4s var(--ease-out-expo);
}
@keyframes panelSlideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}
.settings-panel-wrapper h3 {
  font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.settings-panel-wrapper .stat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px;
}
.settings-panel-wrapper .stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px; text-align: center;
  transition: all 0.3s var(--ease-out-expo);
}
.settings-panel-wrapper .stat-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(5,150,105,0.1); }
.settings-panel-wrapper .stat-card .stat-num {
  font-size: 28px; font-weight: 800; color: var(--pri-lighter); line-height: 1.2;
}
.settings-panel-wrapper .stat-card .stat-label {
  font-size: 11px; color: var(--text-muted); margin-top: 4px;
}
.settings-panel-wrapper .stat-card .stat-bar {
  width: 100%; height: 4px; border-radius: 2px; background: var(--border);
  margin-top: 8px; overflow: hidden;
}
.settings-panel-wrapper .stat-card .stat-bar-fill {
  height: 100%; border-radius: 2px; background: linear-gradient(90deg, var(--pri), var(--pri-glow-1));
  transition: width 1s var(--ease-out-expo);
}
.settings-panel-wrapper .stat-card .stat-trend {
  font-size: 11px; margin-top: 4px; font-weight: 600;
}
.settings-panel-wrapper .stat-card .stat-trend.up { color: var(--success); }
.settings-panel-wrapper .stat-card .stat-trend.down { color: var(--danger); }
.settings-panel-wrapper .model-card-list {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
}
.settings-panel-wrapper .model-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; text-align: center;
  transition: all 0.3s var(--ease-out-expo); cursor: pointer;
}
.settings-panel-wrapper .model-card:hover { border-color: var(--pri-light); transform: translateY(-2px); }
.settings-panel-wrapper .model-card.active-card {
  border-color: var(--pri-light); background: var(--pri-bg);
  box-shadow: 0 0 16px var(--pri-glow);
}
.settings-panel-wrapper .model-card h4 { font-size: 14px; color: #fff; margin: 8px 0 4px; }
.settings-panel-wrapper .model-card p { font-size: 11px; color: var(--text-muted); margin-bottom: 10px; }
.settings-panel-wrapper .chat-history-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.settings-panel-wrapper .chat-history-item:hover { background: var(--bg-elevated); }
.settings-panel-wrapper .chat-history-item .ch-title {
  font-size: 12px; color: #fff; font-weight: 500;
}
.settings-panel-wrapper .chat-history-item .ch-preview {
  font-size: 11px; color: var(--text-muted); margin-top: 2px; max-width: 360px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.settings-panel-wrapper .chat-history-item .ch-time {
  font-size: 10px; color: var(--text-muted);
}
.settings-panel-wrapper .ch-actions { display: flex; gap: 6px; }
.settings-panel-wrapper .billing-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin-bottom: 12px;
}
.settings-panel-wrapper .billing-card .plan-name { font-size: 16px; font-weight: 700; color: #fff; }
.settings-panel-wrapper .billing-card .plan-expire { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.settings-panel-wrapper .billing-card .usage-bar {
  width: 100%; height: 8px; border-radius: 4px; background: var(--border);
  margin: 12px 0 8px; overflow: hidden;
}
.settings-panel-wrapper .billing-card .usage-bar-fill {
  height: 100%; border-radius: 4px;
  background: linear-gradient(90deg, var(--pri), var(--pri-glow-1));
  transition: width 1s var(--ease-out-expo);
}
.settings-panel-wrapper .billing-card .usage-text {
  display: flex; justify-content: space-between; font-size: 11px; color: var(--text-muted);
}
/* ============ USER MANAGEMENT ============ */
.user-stats-row { display: flex; gap: 12px; margin-bottom: 16px; }
.user-stat { flex:1; background: rgba(255,255,255,0.03); border:1px solid var(--border-light); border-radius:8px; padding:14px; text-align:center; }
.user-stat-num { font-size: 22px; font-weight: 700; color: #fff; line-height:1.2; }
.user-stat-label { font-size: 11px; color: var(--text-muted); margin-top:2px; }
.user-cell { display: flex; align-items: center; gap: 10px; }
.user-avatar { width:32px; height:32px; border-radius:50%; background:var(--pri); color:#fff; display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:700; flex-shrink:0; }
.user-avatar.off { background:rgba(255,255,255,0.1); color:var(--text-muted); }
.user-name { font-size:12px; color:#fff; font-weight:500; }
.user-real { font-size:10px; color:var(--text-muted); }
.role-badge { display:inline-block; padding:2px 8px; border-radius:10px; font-size:10px; font-weight:600; }
.role-badge.admin { background:rgba(5,150,105,0.15); color:var(--pri-lighter); }
.role-badge.editor { background:rgba(6,182,212,0.15); color:#67e8f9; }
.role-badge.viewer { background:rgba(255,255,255,0.05); color:var(--text-muted); }
.role-badge.custom { background:rgba(250,204,21,0.12); color:#fde047; }
.status-dot { display:inline-block; width:6px; height:6px; border-radius:50%; margin-right:5px; vertical-align:middle; }
.status-dot.online { background:var(--success); box-shadow:0 0 4px var(--success); }
.status-dot.offline { background:var(--text-muted); }
.settings-panel-wrapper .form-group { margin-bottom: 14px; }
.settings-panel-wrapper .form-group label {
  display: block; font-size: 11px; color: var(--text-muted); margin-bottom: 4px; font-weight: 600;
}
.settings-panel-wrapper .form-group input {
  width: 100%; padding: 8px 12px; border-radius: 6px; border: 1px solid var(--border-light);
  background: var(--bg-card); color: #fff; font-size: 12px; font-family: var(--font);
  transition: border 0.3s;
}
.settings-panel-wrapper .form-group input:focus {
  outline: none; border-color: var(--pri); box-shadow: 0 0 8px var(--pri-glow);
}
.settings-panel-wrapper .profile-avatar {
  width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--pri), var(--pri-glow-1));
  display: flex; align-items: center; justify-content: center; font-size: 24px; color: #fff;
  box-shadow: 0 0 20px var(--pri-glow);
}
.settings-panel-wrapper .analysis-input-row {
  display: flex; gap: 8px; margin-bottom: 14px;
}
.settings-panel-wrapper .analysis-input-row input {
  flex: 1; padding: 8px 12px; border-radius: 6px; border: 1px solid var(--border-light);
  background: var(--bg-card); color: #fff; font-size: 12px; font-family: var(--font);
}
.settings-panel-wrapper .analysis-input-row input:focus { outline: none; border-color: var(--pri); }
.settings-panel-wrapper .cleanup-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; border-bottom: 1px solid var(--border);
}
.settings-panel-wrapper .cleanup-item label { font-size: 12px; color: #fff; cursor: pointer; display: flex; align-items: center; gap: 8px; }
.settings-panel-wrapper .cleanup-item .est-size { font-size: 11px; color: var(--text-muted); }
.settings-panel-wrapper .cleanup-item input[type="checkbox"] {
  accent-color: var(--pri); width: 15px; height: 15px;
}
.settings-panel-wrapper .last-cleanup {
  font-size: 11px; color: var(--text-muted); margin-top: 12px; text-align: center;
}
.settings-panel-wrapper .danger-btn {
  padding: 8px 20px; border-radius: 6px; border: 1px solid var(--danger);
  background: rgba(244,63,94,0.1); color: var(--danger); font-size: 12px; font-weight: 600;
  cursor: pointer; transition: all 0.3s;
}
.settings-panel-wrapper .danger-btn:hover { background: rgba(244,63,94,0.2); box-shadow: 0 0 16px rgba(244,63,94,0.2); }
.settings-panel-wrapper .toggle-switch {
  position: relative; width: 36px; height: 20px; display: inline-block;
}
.settings-panel-wrapper .toggle-switch input { opacity: 0; width: 0; height: 0; }
.settings-panel-wrapper .toggle-slider {
  position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--border); border-radius: 20px; transition: 0.3s;
}
.settings-panel-wrapper .toggle-slider::before {
  content: ''; position: absolute; height: 14px; width: 14px;
  left: 3px; bottom: 3px; background: #fff; border-radius: 50%; transition: 0.3s;
}
.settings-panel-wrapper .toggle-switch input:checked + .toggle-slider { background: var(--pri); }
.settings-panel-wrapper .toggle-switch input:checked + .toggle-slider::before { transform: translateX(16px); }
/* ============ ARTIFACT PANEL ============ */
.artifact-btn{}
.artifact-btn .artifact-arrow{color:var(--pri);font-size:10px;margin-left:2px;transition:transform 0.3s}
.artifact-btn.open .artifact-arrow{transform:rotate(180deg)}
#artifactPanel{
  border-left:3px solid var(--pri);
  border-radius:var(--radius);
  background:rgba(5,150,105,0.08);
  padding:20px;
  margin:4px 0 8px;
  animation:panelSlideIn 0.4s var(--ease-out-expo);
}
#artifactPanel .ap-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:16px;
}
#artifactPanel .ap-header h3{
  font-size:15px;font-weight:700;color:#fff;
  display:flex;align-items:center;gap:8px;
}
#artifactPanel .ap-header .ap-clear{
  padding:4px 12px;border-radius:6px;border:1px solid var(--border-light);
  background:transparent;color:var(--text-muted);font-size:11px;
  cursor:pointer;transition:all var(--transition);
}
#artifactPanel .ap-header .ap-clear:hover{color:var(--danger);border-color:var(--danger)}
#artifactPanel .ap-table{
  width:100%;border-collapse:collapse;font-size:12px;
}
#artifactPanel .ap-table th{
  text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);
  color:var(--text-muted);font-weight:600;font-size:11px;
}
#artifactPanel .ap-table td{
  padding:9px 10px;border-bottom:1px solid var(--border);
  color:var(--text-secondary);vertical-align:middle;
}
#artifactPanel .ap-table td:first-child{color:#fff;font-weight:500}
#artifactPanel .ap-table tr:hover td{background:rgba(5,150,105,0.04)}
#artifactPanel .ap-table .ap-type{
  font-size:11px;padding:2px 8px;border-radius:10px;font-weight:500;
}
#artifactPanel .ap-table .ap-type.report{background:rgba(5,150,105,0.15);color:var(--pri-lighter)}
#artifactPanel .ap-table .ap-type.table{background:rgba(6,182,212,0.12);color:var(--pri-glow-1)}
#artifactPanel .ap-table .ap-type.doc{background:rgba(139,92,246,0.12);color:#a78bfa}
#artifactPanel .ap-table .ap-actions{display:flex;gap:6px}
#artifactPanel .ap-table .ap-actions button{
  padding:2px 10px;border-radius:4px;border:1px solid var(--border-light);
  background:transparent;color:var(--text-muted);font-size:10px;
  cursor:pointer;transition:all var(--transition);
}
#artifactPanel .ap-table .ap-actions button:hover{color:#fff;border-color:var(--pri-light);background:var(--bg-elevated)}
#artifactPanel .ap-table .ap-actions button.ap-del:hover{color:var(--danger);border-color:var(--danger)}
/* ============ PREFERS REDUCED MOTION ============ */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important}
  #bg-canvas{display:none}
}
.side-nav.folded,.side-nav.folded,.side-nav.folded,.sidebar.folded{width:56px!important;min-width:56px!important}.sidebar.folded .brand-info,.sidebar.folded .nav-item span,.sidebar.folded .item-tag,.sidebar.folded .group-arrow,.sidebar.folded .group-count,.sidebar.folded .side-bottom-links,.sidebar.folded .footer-user,.sidebar.folded .nav-group-items{display:none!important}.sidebar.folded .nav-item{justify-content:center;padding:8px}.sidebar.folded .brand{padding:12px 8px;justify-content:center}
@keyframes bubbleItemIn{from{opacity:0;transform:perspective(400px) rotateX(-5deg) translateY(15px)}to{opacity:1;transform:perspective(400px) rotateX(0) translateY(0)}}
#sidePanelBody>*{animation:bubbleItemIn 0.5s cubic-bezier(0.16,1,0.3,1) both}
#sidePanelBody>:nth-child(1){animation-delay:0.02s}
#sidePanelBody>:nth-child(2){animation-delay:0.08s}
#sidePanelBody>:nth-child(3){animation-delay:0.14s}
#sidePanelBody h4{color:var(--pri-light)!important}
.help-section{border-bottom:2px solid rgba(5,150,105,0.25)!important}
.help-section:last-child{border-bottom:none!important}
.help-section:hover{background:rgba(5,150,105,0.06);transform:translateX(3px)}
/* V4 module dropdown + pagination */
.v4-mod-scroll{display:flex;gap:4px;flex-wrap:wrap;justify-content:center;padding:2px 4px}
.v4-mod{position:relative;padding:6px 10px;border-radius:8px;background:var(--bg-card);border:1px solid var(--border);cursor:pointer;transition:all 0.2s;min-width:80px;text-align:center}
.v4-mod:hover{border-color:var(--pri);background:var(--pri-bg);transform:translateY(-1px)}
.v4-mod.v4-mopen{border-color:var(--pri);background:var(--pri-bg);box-shadow:0 0 15px rgba(5,150,105,0.15)}
.v4-mi{font-size:16px;display:block;margin-bottom:2px}
.v4-mn{font-size:10px;color:var(--text-secondary);display:block}
.v4-mod-dropdown{margin:4px 8px 8px;padding:8px 12px;border-radius:8px;background:var(--bg-elevated);border:1px solid var(--border-light);animation:fadeDrop 0.2s ease}
@keyframes fadeDrop{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}
.v4-l3{display:flex;gap:6px;padding:6px 8px;flex-wrap:wrap}
.v4-l3b{padding:4px 12px;border-radius:14px;background:var(--pri-bg);border:1px solid rgba(5,150,105,0.2);color:var(--pri-light);font-size:11px;cursor:pointer;transition:all 0.2s;white-space:nowrap}
.v4-l3b:hover{background:rgba(5,150,105,0.2);border-color:var(--pri)}
.v4-l3p{background:linear-gradient(135deg,var(--pri),var(--pri-glow-1));color:#fff;border:none}
.v4-l3p:hover{background:linear-gradient(135deg,var(--pri-light),var(--pri-glow-1))}
.v4-tbl{width:100%;border-collapse:collapse;font-size:11px}
.v4-tbl th{padding:6px 8px;text-align:left;border-bottom:1px solid var(--border);color:var(--text-muted);font-weight:500;white-space:nowrap}
.v4-tbl td{padding:5px 8px;border-bottom:1px solid var(--border-light);color:var(--text-secondary);cursor:pointer}
.v4-tbl tr:hover td{background:var(--pri-bg);color:var(--text)}
/* L4 大屏表格特效 */
.v4-tbl{width:100%;border-collapse:separate;border-spacing:0;font-size:12px;animation:tblFade 0.3s ease}
.v4-tbl th{padding:8px 10px;text-align:left;border-bottom:2px solid var(--pri);color:var(--pri-light);font-weight:600;font-size:11px;white-space:nowrap;background:linear-gradient(180deg,rgba(5,150,105,0.04),transparent)}
.v4-tbl td{padding:7px 10px;border-bottom:1px solid var(--border);color:var(--text-secondary);transition:all 0.2s}
.v4-tbl tr{transition:all 0.15s;animation:tblRow 0.3s ease both}
.v4-tbl tr:nth-child(even){background:rgba(5,150,105,0.02)}
.v4-tbl tr:hover td{background:rgba(5,150,105,0.08);color:var(--text)}
.v4-tbl tr td:first-child{font-weight:500;color:var(--text)}
@keyframes tblFade{from{opacity:0.3}to{opacity:1}}
@keyframes tblRow{from{opacity:0;transform:translateX(-5px)}to{opacity:1;transform:translateX(0)}}
/* Stagger animation for rows */
.v4-tbl tr:nth-child(1){animation-delay:0.02s}
.v4-tbl tr:nth-child(2){animation-delay:0.04s}
.v4-tbl tr:nth-child(3){animation-delay:0.06s}
.v4-tbl tr:nth-child(4){animation-delay:0.08s}
.v4-tbl tr:nth-child(5){animation-delay:0.1s}
/* Status dots */
.v4-tbl td{position:relative}
.v4-tbl td:first-child::before{content:'';display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--pri);margin-right:6px;vertical-align:middle;opacity:0.5}
/* Fullscreen chat container */
.chat-container{transition:max-width 0.3s ease,width 0.3s ease}
.chat-container:has(.v4-tbl){max-width:100%!important}
/* Sidebar fold animation */
.sidebar{transition:width 0.3s ease,min-width 0.3s ease,opacity 0.3s ease}
.side-nav.folded,.side-nav.folded,.sidebar.folded{width:56px!important;min-width:56px!important}
/* XiaoDe guide tips */
.v4-tip{display:inline-block;padding:4px 12px;margin:3px 2px;border-radius:14px;background:rgba(5,150,105,0.1);border:1px solid rgba(5,150,105,0.2);color:var(--pri-light);font-size:12px;cursor:pointer;transition:all 0.2s}.v4-tip:hover{background:rgba(5,150,105,0.2);border-color:var(--pri)}
.v4-mod-row{display:flex;flex-wrap:wrap;width:100%}
@keyframes fadeDrop{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.v4-mod-row{display:flex;flex-wrap:wrap;width:100%}
@keyframes fadeDrop{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.v4-kc{border-radius:6px;background:var(--bg-card);border:1px solid var(--border);text-align:center;cursor:pointer;transition:all 0.2s}
.v4-kc:hover{border-color:var(--pri);background:var(--pri-bg)}
.v4-kc-open{border-color:var(--pri);background:var(--pri-bg)}

@media(prefers-reduced-motion:reduce){canvas,[class*=blur]{display:none!important}}@media(max-width:768px){.mobile-hamburger{display:flex!important;position:fixed;top:8px;left:8px;z-index:100;width:40px;height:40px;border-radius:8px;background:var(--bg-card);border:1px solid var(--border);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:8px}.mobile-hamburger span{width:22px;height:3px;background:var(--text);border-radius:2px;display:block}.mobile-hamburger span+span{margin-top:4px}aside{display:none!important}.mobile-hamburger:hover+aside,aside:hover,.mobile-hamburger:focus+aside{display:flex!important;position:fixed;z-index:99;top:0;left:0;height:100vh;width:280px;box-shadow:0 0 20px rgba(0,0,0,.5)}.main{margin-left:0!important;width:100%!important}}
.chat-messages{flex:1!important;}.chat-input-area{flex-shrink:0!important;}.float-bubbles{position:fixed!important;right:12px!important;top:50%!important;transform:translateY(-50%)!important;z-index:999!important;display:flex!important;flex-direction:column!important;gap:6px!important}
.v4-kpi-collapsed{height:28px!important;min-height:28px!important;overflow:hidden;transition:all 0.3s ease}
.v4-kpi-collapsed .v4-kpi-scroll{display:none}
.v4-kpi-collapsed .v4-kpi-navs{display:none}
.v4-kpi-toggle{display:flex;align-items:center;gap:4px;padding:4px 12px;font-size:10px;color:var(--pri-light);cursor:pointer;border:none;background:none;width:100%;justify-content:center}
.v4-mod-row.compact{margin-top:0!important}
.side-nav{border-right:1px solid #2e2e2e}.side-nav.folded{width:56px!important;min-width:56px!important}.nav-item:hover{background:rgba(255,255,255,0.04);color:#fafafa}.nav-item.active{background:rgba(16,185,129,0.1);color:#10b981}