/* ═══════════════════════════════════════════
 * 光湖智库 · 主样式表 v2.0
 * guanghu.online · ZY-PROJ-006
 * 守护: 铸渊 · ICE-GL-ZY001
 * 版权: 国作登字-2026-A-00037559
 *
 * v2.0: 新增登录弹窗 + Agent对话面板 + 搜索结果下载
 * ═══════════════════════════════════════════ */

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

:root{
  --bg:#050810;--panel:rgba(12,18,40,0.94);
  --card:rgba(14,20,48,0.6);--card-border:rgba(167,139,250,0.12);
  --card-hover:rgba(167,139,250,0.22);
  --purple:#a78bfa;--violet:#c4b5fd;--cyan:#22d3ee;--blue:#60a5fa;
  --ok:#34d399;--warn:#fbbf24;--err:#f87171;
  --text:#eaf0ff;--dim:#94a7d0;--muted:rgba(120,150,200,0.4);
  --border:rgba(167,139,250,0.1);
  --font:-apple-system,BlinkMacSystemFont,'PingFang SC','Helvetica Neue','Microsoft YaHei',sans-serif;
  --mono:'SF Mono','JetBrains Mono','Fira Code',monospace
}
html{font-size:16px;scroll-behavior:smooth}
body{
  font-family:var(--font);background:var(--bg);color:var(--text);
  min-height:100vh;overflow-x:hidden;line-height:1.7;
  -webkit-font-smoothing:antialiased
}
a{color:var(--cyan);text-decoration:none;transition:color .3s}
a:hover{color:var(--purple)}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-thumb{background:rgba(167,139,250,0.15);border-radius:3px}
code{font-family:var(--mono);font-size:12px;padding:2px 6px;border-radius:4px;background:rgba(167,139,250,0.1);color:var(--purple)}

/* ═══ Background ═══ */
.cosmos{position:fixed;inset:0;z-index:0;pointer-events:none}
#starCanvas{position:absolute;inset:0;width:100%;height:100%}
.nebula{position:fixed;border-radius:50%;filter:blur(120px);opacity:.06;pointer-events:none;z-index:0}
.neb-1{width:55vw;height:50vh;background:radial-gradient(circle,var(--purple),transparent);top:-10%;right:-5%;animation:nebDrift 22s ease-in-out infinite alternate}
.neb-2{width:45vw;height:40vh;background:radial-gradient(circle,var(--cyan),transparent);bottom:5%;left:-8%;animation:nebDrift 28s ease-in-out infinite alternate-reverse}
.neb-3{width:35vw;height:30vh;background:radial-gradient(circle,var(--blue),transparent);top:40%;left:30%;animation:nebDrift 32s ease-in-out infinite alternate;opacity:.04}
@keyframes nebDrift{0%{transform:translate(0,0) scale(1)}100%{transform:translate(15px,-10px) scale(1.05)}}

.lake{position:fixed;bottom:0;left:0;right:0;height:18vh;z-index:0;pointer-events:none;
  background:linear-gradient(to top,rgba(167,139,250,0.02),transparent);
  animation:lakeB 6s ease-in-out infinite alternate}
.lake::before{content:'';position:absolute;bottom:0;left:8%;right:8%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(167,139,250,0.12),rgba(34,211,238,0.1),transparent)}
@keyframes lakeB{0%{opacity:.5}100%{opacity:1}}

/* ═══ Login Overlay ═══ */
.login-overlay{
  position:fixed;inset:0;z-index:100;
  background:rgba(5,8,16,0.96);backdrop-filter:blur(20px);
  display:flex;align-items:center;justify-content:center;
  animation:fadeIn .5s ease-out
}
.login-overlay.hidden{display:none}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

.login-panel{
  width:min(420px,90vw);padding:40px 32px;border-radius:20px;
  background:var(--panel);border:1px solid var(--card-border);
  backdrop-filter:blur(24px);text-align:center;
  box-shadow:0 20px 60px rgba(0,0,0,0.5);
  animation:slideUp .6s ease-out
}
@keyframes slideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}

.login-glyph{font-size:48px;margin-bottom:16px}
.login-title{font-size:20px;font-weight:700;letter-spacing:1px;margin-bottom:6px;
  background:linear-gradient(135deg,var(--text),var(--purple));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.login-sub{font-size:12px;color:var(--dim);margin-bottom:24px}
.login-form{display:flex;flex-direction:column;gap:10px}
.login-input{
  padding:14px 18px;border-radius:12px;border:1px solid var(--border);
  background:rgba(5,8,16,0.6);color:var(--text);font-size:15px;
  font-family:var(--font);outline:none;transition:border-color .3s;width:100%
}
.login-input:focus{border-color:rgba(167,139,250,0.4)}
.login-code-row{display:flex;gap:8px}
.login-code-input{flex:1}
.login-send-btn{
  padding:10px 16px;border-radius:12px;border:1px solid rgba(34,211,238,0.2);
  background:rgba(34,211,238,0.06);color:var(--cyan);font-size:13px;font-weight:600;
  cursor:pointer;transition:all .25s;font-family:var(--font);white-space:nowrap
}
.login-send-btn:hover:not(:disabled){background:rgba(34,211,238,0.12);transform:translateY(-1px)}
.login-send-btn:disabled{opacity:.4;cursor:not-allowed}
.login-btn{
  padding:14px;border:1px solid rgba(167,139,250,0.25);border-radius:12px;
  background:linear-gradient(135deg,rgba(167,139,250,0.12),rgba(34,211,238,0.06));
  color:var(--purple);font-size:15px;font-weight:700;letter-spacing:.5px;
  cursor:pointer;transition:all .3s;font-family:var(--font)
}
.login-btn:hover{background:linear-gradient(135deg,rgba(167,139,250,0.2),rgba(34,211,238,0.12));transform:translateY(-2px);box-shadow:0 6px 20px rgba(167,139,250,0.12)}
.login-verify-btn{color:var(--cyan);border-color:rgba(34,211,238,0.25)}
.login-msg{margin-top:12px;font-size:12px;min-height:18px;font-family:var(--mono);color:var(--dim)}
.login-msg.err{color:var(--err)}
.login-msg.ok{color:var(--ok)}
.login-footer{margin-top:20px;font-size:10px;color:var(--muted);font-family:var(--mono)}

/* ═══ Layout ═══ */
.page{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column}

/* ═══ Header ═══ */
.header{
  padding:16px 28px;display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid var(--border);backdrop-filter:blur(16px);
  background:rgba(5,8,16,0.85);position:sticky;top:0;z-index:50;transition:box-shadow .3s
}
.header.scrolled{box-shadow:0 4px 30px rgba(0,0,0,0.3)}
.header-left{display:flex;align-items:center;gap:12px}
.header-glyph{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,rgba(167,139,250,0.12),rgba(34,211,238,0.08));
  border:1px solid rgba(167,139,250,0.2);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:900;font-family:serif;color:var(--purple);
  animation:glyphB 5s ease-in-out infinite;transition:transform .3s
}
.header-glyph:hover{transform:rotate(10deg) scale(1.1)}
@keyframes glyphB{0%,100%{box-shadow:0 0 10px rgba(167,139,250,0.1)}50%{box-shadow:0 0 28px rgba(167,139,250,0.25)}}
.header-title{font-size:16px;font-weight:700;letter-spacing:1px}
.header-sub{font-size:11px;color:var(--dim);display:block;margin-top:2px}
.header-right{display:flex;align-items:center;gap:12px}
.api-status{font-size:11px;color:var(--dim);font-family:var(--mono)}
.api-status.ok{color:var(--ok)}
.api-status.err{color:var(--err)}

/* ═══ User Bar ═══ */
.user-bar{display:flex;align-items:center;gap:8px;padding:6px 12px;border-radius:10px;
  background:rgba(167,139,250,0.06);border:1px solid rgba(167,139,250,0.1);font-size:12px;color:var(--dim)}
.user-logout-btn{
  padding:4px 10px;border:1px solid rgba(248,113,113,0.15);border-radius:6px;
  background:transparent;color:var(--err);font-size:11px;cursor:pointer;
  transition:all .2s;font-family:var(--font)
}
.user-logout-btn:hover{background:rgba(248,113,113,0.08)}

/* ═══ Content ═══ */
.content{flex:1;padding:32px 28px 48px;max-width:1100px;margin:0 auto;width:100%}

/* ═══ Hero ═══ */
.hero{text-align:center;margin-bottom:40px;animation:heroIn 1s ease-out}
@keyframes heroIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.hero-icon{
  width:72px;height:72px;margin:0 auto 20px;border-radius:18px;
  background:linear-gradient(135deg,rgba(167,139,250,0.15),rgba(34,211,238,0.08));
  border:1px solid rgba(167,139,250,0.2);
  display:flex;align-items:center;justify-content:center;
  font-size:32px;animation:glyphB 5s ease-in-out infinite;position:relative
}
.hero-icon::after{content:'';position:absolute;inset:-4px;border-radius:22px;
  background:linear-gradient(135deg,rgba(167,139,250,0.1),rgba(34,211,238,0.05));
  animation:ringPulse 4s ease-in-out infinite;z-index:-1}
@keyframes ringPulse{0%,100%{transform:scale(1);opacity:.5}50%{transform:scale(1.1);opacity:0}}
.hero h1{font-size:26px;font-weight:700;letter-spacing:2px;margin-bottom:8px;
  background:linear-gradient(135deg,var(--text),var(--purple));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:14px;color:var(--dim);line-height:1.8}

/* ═══ Status Bar ═══ */
.status-bar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px;animation:fadeUp 1.2s ease-out}
@keyframes fadeUp{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}
.stat-card{
  flex:1;min-width:140px;padding:18px 20px;border-radius:14px;
  background:var(--card);border:1px solid var(--card-border);
  backdrop-filter:blur(8px);transition:all .3s;position:relative;overflow:hidden
}
.stat-card:hover{border-color:var(--card-hover);transform:translateY(-2px)}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--purple),var(--cyan));opacity:0;transition:opacity .3s}
.stat-card:hover::before{opacity:.5}
.stat-num{font-size:28px;font-weight:700;font-family:var(--mono);color:var(--purple);margin-bottom:2px}
.stat-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}

/* ═══ Section Title ═══ */
.section-title{
  font-size:12px;font-weight:700;color:var(--dim);text-transform:uppercase;
  letter-spacing:1.5px;font-family:var(--mono);margin-bottom:16px;
  display:flex;align-items:center;gap:8px
}
.section-title::after{content:'';flex:1;height:1px;background:var(--border)}

/* ═══ Search ═══ */
.search-wrap{margin-bottom:32px;animation:fadeUp 1.4s ease-out}
.search-bar{
  display:flex;gap:10px;padding:6px;border-radius:14px;
  background:var(--card);border:1px solid var(--card-border);backdrop-filter:blur(8px);
  transition:border-color .3s,box-shadow .3s
}
.search-bar:focus-within{border-color:rgba(167,139,250,0.3);box-shadow:0 0 20px rgba(167,139,250,0.06)}
.search-input{
  flex:1;background:transparent;border:none;padding:12px 16px;
  color:var(--text);font-size:14px;font-family:var(--font);outline:none
}
.search-input::placeholder{color:var(--muted)}
.search-btn{
  padding:10px 20px;border:1px solid rgba(167,139,250,0.2);border-radius:10px;
  background:rgba(167,139,250,0.08);color:var(--purple);font-size:13px;font-weight:600;
  cursor:pointer;transition:all .25s;font-family:var(--font);white-space:nowrap
}
.search-btn:hover{background:rgba(167,139,250,0.15);border-color:rgba(167,139,250,0.35);
  transform:translateY(-1px);box-shadow:0 4px 12px rgba(167,139,250,0.1)}

.search-results{margin-top:12px}
.search-result-card{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;border-radius:12px;margin-bottom:8px;
  background:var(--card);border:1px solid var(--card-border);transition:all .3s
}
.search-result-card:hover{border-color:var(--card-hover);transform:translateX(4px)}
.result-title{font-size:14px;font-weight:600;color:var(--text)}
.result-meta{font-size:11px;color:var(--dim);margin-top:2px}
.result-source{font-size:10px;padding:2px 8px;border-radius:6px;font-weight:600;font-family:var(--mono)}
.result-source.fanqie{background:rgba(248,113,113,0.1);color:#fb7185;border:1px solid rgba(248,113,113,0.15)}
.result-source.qimao{background:rgba(52,211,153,0.1);color:var(--ok);border:1px solid rgba(52,211,153,0.15)}
.result-source.local{background:rgba(167,139,250,0.1);color:var(--purple);border:1px solid rgba(167,139,250,0.15)}
.result-actions{display:flex;gap:6px;flex-shrink:0}
.result-dl-btn{
  padding:6px 14px;border-radius:8px;border:1px solid rgba(34,211,238,0.2);
  background:rgba(34,211,238,0.06);color:var(--cyan);font-size:11px;font-weight:600;
  cursor:pointer;transition:all .2s;font-family:var(--font)
}
.result-dl-btn:hover{background:rgba(34,211,238,0.12);transform:translateY(-1px)}
.result-dl-btn.downloading{opacity:.5;cursor:wait}
.no-results{text-align:center;padding:24px;color:var(--dim);font-size:13px}

/* ═══ Agent Panel ═══ */
.agent-panel{
  border-radius:16px;background:var(--card);border:1px solid var(--card-border);
  backdrop-filter:blur(8px);overflow:hidden
}
.agent-header{
  display:flex;align-items:center;gap:12px;padding:16px 20px;
  border-bottom:1px solid var(--border);background:rgba(5,8,16,0.3)
}
.agent-avatar{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,rgba(167,139,250,0.15),rgba(34,211,238,0.08));
  border:1px solid rgba(167,139,250,0.2);
  display:flex;align-items:center;justify-content:center;font-size:20px
}
.agent-info{flex:1}
.agent-name{font-size:14px;font-weight:700}
.agent-desc{font-size:11px;color:var(--dim)}
.agent-status{font-size:11px;color:var(--ok);font-family:var(--mono)}
.agent-messages{
  padding:16px 20px;height:320px;overflow-y:auto;
  display:flex;flex-direction:column;gap:12px
}
.agent-msg{display:flex;gap:10px;max-width:85%;animation:msgIn .3s ease-out}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.agent-msg-bot{align-self:flex-start}
.agent-msg-user{align-self:flex-end;flex-direction:row-reverse}
.agent-msg-content{
  padding:12px 16px;border-radius:14px;font-size:13px;line-height:1.7;
  background:rgba(167,139,250,0.06);border:1px solid rgba(167,139,250,0.08)
}
.agent-msg-user .agent-msg-content{
  background:rgba(34,211,238,0.06);border-color:rgba(34,211,238,0.1);color:var(--cyan)
}
.agent-msg-tool{
  margin-top:8px;padding:10px 14px;border-radius:10px;font-size:11px;
  background:rgba(52,211,153,0.06);border:1px solid rgba(52,211,153,0.1);
  color:var(--ok);font-family:var(--mono);max-height:200px;overflow-y:auto
}
.agent-input-wrap{
  display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--border);
  background:rgba(5,8,16,0.3)
}
.agent-input{
  flex:1;padding:12px 16px;border-radius:12px;border:1px solid var(--border);
  background:rgba(5,8,16,0.4);color:var(--text);font-size:14px;outline:none;
  font-family:var(--font);transition:border-color .3s
}
.agent-input:focus{border-color:rgba(167,139,250,0.3)}
.agent-send-btn{
  padding:10px 20px;border-radius:12px;border:1px solid rgba(167,139,250,0.2);
  background:linear-gradient(135deg,rgba(167,139,250,0.1),rgba(34,211,238,0.05));
  color:var(--purple);font-size:14px;font-weight:700;cursor:pointer;
  transition:all .25s;font-family:var(--font)
}
.agent-send-btn:hover{background:linear-gradient(135deg,rgba(167,139,250,0.18),rgba(34,211,238,0.1));transform:translateY(-1px)}

/* ═══ Module Grid ═══ */
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-bottom:24px}
.module-card{
  padding:20px;border-radius:14px;background:var(--card);
  border:1px solid var(--card-border);backdrop-filter:blur(8px);
  transition:all .3s;cursor:default
}
.module-card:hover{border-color:var(--card-hover);transform:translateY(-3px);box-shadow:0 8px 24px rgba(167,139,250,0.08)}
.module-icon{font-size:28px;margin-bottom:10px}
.module-name{font-size:14px;font-weight:700;margin-bottom:4px}
.module-desc{font-size:11px;color:var(--dim);margin-bottom:8px;line-height:1.5}
.module-status{font-size:11px;color:var(--dim);display:flex;align-items:center;gap:6px}
.dot{width:6px;height:6px;border-radius:50%;display:inline-block}
.dot.ok{background:var(--ok);box-shadow:0 0 8px rgba(52,211,153,0.4)}
.dot.warn{background:var(--warn);box-shadow:0 0 8px rgba(251,191,36,0.4)}
.dot.err{background:var(--err);box-shadow:0 0 8px rgba(248,113,113,0.4)}

/* ═══ Search Result v2.0 ═══ */
.search-summary{font-size:11px;color:var(--dim);margin-bottom:10px;padding:0 4px}
.search-loading{animation:pulse 1.5s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}

.search-result-card{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;border-radius:12px;
  background:rgba(14,20,48,0.5);border:1px solid var(--card-border);
  transition:all .25s;margin-bottom:8px
}
.search-result-card:hover{border-color:var(--card-hover);background:rgba(14,20,48,0.7)}
.result-info{flex:1;min-width:0}
.result-title{font-size:14px;font-weight:700;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.result-meta{font-size:11px;color:var(--dim);margin-bottom:6px}
.result-source{display:flex;gap:6px;flex-wrap:wrap}
.source-badge{
  font-size:10px;padding:2px 8px;border-radius:10px;
  border:1px solid rgba(167,139,250,0.2);color:var(--dim);font-family:var(--mono)
}
.local-badge{color:var(--ok);border-color:rgba(52,211,153,0.2);background:rgba(52,211,153,0.06)}
.result-actions{display:flex;gap:6px;flex-shrink:0}
.result-btn{
  padding:8px 14px;border-radius:10px;border:1px solid var(--border);
  background:rgba(14,20,48,0.6);color:var(--text);font-size:12px;
  cursor:pointer;transition:all .25s;font-family:var(--font);white-space:nowrap
}
.result-btn:hover{border-color:var(--purple);background:rgba(167,139,250,0.1)}
.result-btn-dl{color:var(--cyan);border-color:rgba(34,211,238,0.2)}
.result-btn-dl:hover{background:rgba(34,211,238,0.1);border-color:rgba(34,211,238,0.4)}
.result-btn-read{color:var(--purple);border-color:rgba(167,139,250,0.2)}
.result-btn-read:hover{background:rgba(167,139,250,0.1);border-color:rgba(167,139,250,0.4)}

/* ═══ Download Progress ═══ */
.download-progress-card{
  padding:16px 20px;border-radius:12px;margin-bottom:10px;
  background:rgba(34,211,238,0.04);border:1px solid rgba(34,211,238,0.12);
  animation:dlFadeIn .4s ease-out
}
@keyframes dlFadeIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.download-progress-card.dl-done{border-color:rgba(52,211,153,0.2);background:rgba(52,211,153,0.04)}
.dl-title{font-size:13px;font-weight:600;margin-bottom:10px}
.dl-bar-wrap{height:6px;border-radius:3px;background:rgba(96,165,250,0.08);overflow:hidden;margin-bottom:8px}
.dl-bar{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--cyan),var(--purple));transition:width .5s ease-out}
.dl-status{font-size:11px;color:var(--dim)}

/* ═══ Agent v2.0 ═══ */
.agent-msg-thinking .agent-msg-content{color:var(--dim);font-style:italic}
.thinking-dots{animation:dots 1.2s steps(3,end) infinite}
@keyframes dots{0%{content:'●'}33%{content:'●●'}67%{content:'●●●'}}

.agent-search-results{padding:10px 14px !important}
.agent-search-title{font-size:12px;font-weight:700;color:var(--purple);margin-bottom:8px}
.agent-book-item{
  display:flex;align-items:center;gap:8px;padding:6px 0;
  border-bottom:1px solid rgba(167,139,250,0.06);font-size:12px
}
.agent-book-item:last-child{border-bottom:none}
.agent-book-title{font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.agent-book-meta{color:var(--dim);font-size:10px;white-space:nowrap}
.agent-dl-btn{
  padding:4px 10px;border-radius:8px;border:1px solid rgba(34,211,238,0.2);
  background:rgba(34,211,238,0.06);color:var(--cyan);font-size:11px;
  cursor:pointer;transition:all .2s;flex-shrink:0
}
.agent-dl-btn:hover{background:rgba(34,211,238,0.15);border-color:rgba(34,211,238,0.4)}
.agent-local-tag{font-size:10px;color:var(--ok);padding:2px 8px;border-radius:6px;background:rgba(52,211,153,0.06);border:1px solid rgba(52,211,153,0.15)}

/* ═══ Footer ═══ */
.footer{text-align:center;padding:32px 16px;margin-top:auto}
.footer-line{font-size:11px;color:var(--muted);margin-bottom:4px;font-family:var(--mono)}

/* ═══ Responsive ═══ */
@media(max-width:640px){
  .content{padding:20px 16px 40px}
  .header{padding:12px 16px}
  .hero h1{font-size:20px}
  .status-bar{flex-direction:column}
  .module-grid{grid-template-columns:1fr 1fr}
  .search-bar{flex-direction:column}
  .search-btn{width:100%}
  .agent-messages{height:260px}
  .login-panel{padding:28px 20px}
}