/* 金宝对话页：三栏工作区，品牌深灰金配色 */
/* 手机端 100dvh 避免地址栏遮挡输入区；dvh 不支持时回退 100vh */
.chat-page{display:grid;grid-template-columns:264px minmax(0,1fr) 272px;height:100vh;height:100dvh;overflow:hidden;background:radial-gradient(1200px 500px at 85% -10%,#ede4d0,transparent 60%),var(--paper)}

/* ---------- 左栏：对话管理 ---------- */
.cs-side{background:var(--panel);color:#b6b1a2;display:flex;flex-direction:column;min-height:0;padding:22px 18px 18px;background-image:radial-gradient(ellipse at bottom left,#66533622,transparent 60%);overflow:hidden}
.cs-brand{display:flex;align-items:center;gap:10px;padding:0 6px;color:#f3eee4}
.cs-brand img{width:40px;height:40px;border-radius:50%;border:2px solid #bfa27350}
.cs-brand>span{font-size:17px;font-weight:650;letter-spacing:2px}
.cs-brand small{display:block;font-size:7px;letter-spacing:1.2px;color:#bda77d;margin-top:4px}
.cs-new{margin:20px 4px 12px;padding:12px 16px;border-radius:9px;font-size:13px}
.cs-quota{background:#b6966116;border:1px solid #b6966133;border-radius:11px;padding:12px 14px;font-size:11.5px;line-height:1.8;color:#cdbf9e;margin:0 0 14px}
.cs-quota b{color:#ecd9ab;font-size:13px}
.cs-quota a{color:#ecd9ab;text-decoration:underline;text-underline-offset:3px}
.cs-search{display:flex;align-items:center;gap:8px;background:#ffffff0d;border:1px solid #ffffff14;border-radius:9px;padding:9px 12px;margin-bottom:14px}
.cs-search svg{width:14px;height:14px;color:#8d8574;flex-shrink:0}
.cs-search input{background:none;border:0;outline:0;color:#e5dfd0;font-size:12px;width:100%}
.cs-search input::placeholder{color:#7e7869}
.cs-list-cap{font-size:10px;letter-spacing:2px;color:#8d8574;margin:2px 6px 10px}
.cs-list-cap b{color:#b6a87f;margin-left:4px}
.cs-list{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:6px;scrollbar-width:thin;scrollbar-color:#5a5344 transparent}
.cs-item{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:9px;font-size:12.5px;color:#c9c3b2;text-align:left;transition:.18s;border:1px solid transparent;width:100%}
.cs-item span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cs-item:hover{background:#ffffff09}
.cs-item.active{background:#d1b37b1c;border-color:#b6966138;color:#e9cf9b}
.cs-item .cs-del{visibility:hidden;color:#8d8574;font-size:14px;padding:2px 5px;border-radius:5px;flex-shrink:0}
.cs-item:hover .cs-del{visibility:visible}
.cs-item .cs-del:hover{color:#e88547;background:#ffffff12}
.cs-empty-hint{margin:14px 8px;padding:22px 10px;border:1.5px dashed #ffffff1e;border-radius:11px;text-align:center;font-size:11px;line-height:2;color:#7e7869}
.cs-foot{margin-top:14px;padding-top:14px;border-top:1px solid #ffffff12;font-size:9.5px;line-height:2;color:#7e7f7b;letter-spacing:1px}

/* ---------- 中栏：对话主区 ---------- */
/* min-height:0 必须有：否则滚动区会被消息内容撑开，把输入框顶出屏幕且无法滚动 */
.cs-main{display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}
.cs-head{height:62px;display:flex;align-items:center;gap:14px;padding:0 22px;background:#faf9f6d6;backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:5}
.cs-menu{display:none;font-size:19px;color:#6d6a61;padding:4px 10px;border-radius:7px}
.cs-title{display:flex;align-items:center;gap:12px;margin-right:auto}
.cs-mark{width:38px;height:38px;border-radius:50%;background:radial-gradient(circle at 32% 30%,#f3ddb0,#c1a06a);color:#34302a;font-family:var(--serif);font-size:17px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 1px #b6966140,0 5px 14px -5px #b6966180;position:relative}
.cs-mark::after{content:"";position:absolute;inset:3px;border:1px solid #34302a33;border-radius:50%}
.cs-title strong{display:block;font-family:var(--serif);font-size:17px;color:#33312c;letter-spacing:3px}
.cs-title small{display:flex;align-items:center;gap:6px;font-size:8.5px;letter-spacing:1.8px;color:#a29d91}
.cs-home{font-size:12px;color:#77746c}
.cs-home:hover{color:var(--gold)}
.cs-home span{margin-left:6px;color:var(--gold)}
.cs-scroll{flex:1;min-height:0;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#cfc6b2 transparent}
.cs-welcome{max-width:660px;margin:0 auto;padding:8vh 26px 30px;text-align:center}
.welcome-mark{width:92px;height:92px;margin:0 auto 28px;border-radius:50%;background:radial-gradient(circle at 32% 28%,#f5e0b6,#bd9c66);color:#34302a;font-family:var(--serif);font-size:42px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 22px 44px -16px #b6966199;position:relative}
.welcome-mark::before{content:"";position:absolute;inset:-9px;border:1px solid #c8ad7c8c;border-radius:50%;animation:spin 26s linear infinite}
.welcome-mark::after{content:"";position:absolute;inset:5px;border:1px solid #34302a2e;border-radius:50%}
@keyframes spin{to{transform:rotate(360deg)}}
.cs-welcome h1{font-family:var(--serif);font-size:clamp(20px,2.4vw,27px);font-weight:700;color:#33312c;letter-spacing:2px;line-height:1.7}
.cs-welcome h1 em{font-style:normal;color:var(--gold)}
.cs-welcome p{margin-top:14px;font-size:13px;line-height:2.1;color:#8e8b84}
.welcome-tags{display:flex;justify-content:center;gap:0;flex-wrap:wrap;margin-top:24px}
.welcome-tags span{font-size:11px;letter-spacing:1.5px;color:#a08a5d;padding:4px 16px;border-right:1px solid #d8cdb4}
.welcome-tags span:first-child{padding-left:0}
.welcome-tags span:last-child{border-right:0}
.cs-messages{max-width:820px;margin:0 auto;padding:6px 26px 26px;display:flex;flex-direction:column;gap:22px}
.msg{display:flex;gap:13px;animation:msg-in .3s ease}
@keyframes msg-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.msg-user{justify-content:flex-end}
.msg-user .bubble{background:linear-gradient(120deg,#3d372a,#4a4130);color:#f0e6cd;border-radius:15px 15px 5px 15px;padding:13px 17px;font-size:13.5px;line-height:1.9;max-width:78%;white-space:pre-wrap;word-break:break-word;border:1px solid #b6966135}
.msg-ai .avatar{width:34px;height:34px;border-radius:50%;background:radial-gradient(circle at 32% 30%,#f3ddb0,#c1a06a);color:#34302a;font-family:var(--serif);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px;box-shadow:0 0 0 1px #b6966138}
.msg-ai .bubble{background:var(--white);border:1px solid var(--line);border-radius:5px 15px 15px 15px;padding:15px 19px;font-size:13.5px;line-height:1.95;color:#3a3831;max-width:88%;box-shadow:0 10px 26px -18px #9c865466;word-break:break-word}
.msg-ai .bubble p{margin:0 0 10px}
.msg-ai .bubble p:last-child{margin-bottom:0}
.msg-ai .bubble strong{color:#7d6740}
.msg-ai .bubble code{background:#f1ead9;border-radius:4px;padding:1px 6px;font-size:12px;font-family:Consolas,Menlo,monospace}
.msg-ai .bubble li{margin:4px 0 4px 0}
.msg-ai .bubble ul,.msg-ai .bubble ol{margin:0 0 10px;padding-left:22px}
.msg-ai .typing{display:inline-flex;gap:5px;padding:4px 0}
.msg-ai .typing i{width:6px;height:6px;border-radius:50%;background:var(--gold);animation:blink 1.2s infinite}
.msg-ai .typing i:nth-child(2){animation-delay:.18s}
.msg-ai .typing i:nth-child(3){animation-delay:.36s}
@keyframes blink{0%,70%,100%{opacity:.25;transform:translateY(0)}35%{opacity:1;transform:translateY(-3px)}}
.msg-error{font-size:12px;color:#b0532e;background:#fbeee5;border:1px solid #f0d5c2;border-radius:10px;padding:10px 14px;align-self:center}

/* ---------- 输入区 ---------- */
.cs-inputwrap{padding:12px 26px 14px;background:linear-gradient(transparent,var(--paper) 26%)}
.cs-inputrow{display:flex;align-items:flex-end;gap:12px;max-width:820px;margin:0 auto;background:var(--white);border:1.5px solid #dcd3bd;border-radius:16px;padding:12px 12px 12px 18px;box-shadow:0 18px 40px -26px #9c865480;transition:.2s}
.cs-inputrow:focus-within{border-color:var(--gold);box-shadow:0 18px 44px -24px #b6966199}
.cs-inputrow textarea{flex:1;border:0;outline:0;resize:none;font-size:13.5px;line-height:1.8;color:#33312c;max-height:170px;min-height:26px;background:none}
.cs-inputrow textarea::placeholder{color:#a8a49b}
.cs-input-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:8px}
.cs-contact-row,.cs-status,.cs-toolbar,.cs-disclaimer{max-width:820px;margin-left:auto;margin-right:auto}
.cs-contact-row{display:flex;align-items:center;justify-content:center;gap:12px;font-size:11.5px;color:#a29d91;margin-bottom:9px}
.cs-pill{font-size:11.5px;color:#8a6f3f;background:#f1ead9;border:1px solid #e6dcc4;border-radius:999px;padding:4px 13px;transition:.2s}
.cs-pill:hover{border-color:var(--gold);color:var(--gold)}
.cs-status{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#a29d91;margin-bottom:8px}
.cs-status span{display:flex;align-items:center;gap:7px}
.cs-status b{font-weight:500;color:#8a795a}
#quota-inline{color:#a08a5d}
.cs-send{padding:11px 20px;border-radius:11px;font-size:13px;flex-shrink:0}
.cs-send.stop{background:#3a352c;color:#e7c991}
.cs-toolbar{display:flex;justify-content:space-between;font-size:10.5px;color:#a8a49b;margin-top:9px}
.cs-keys kbd{border:1px solid #d8d2c4;border-bottom-width:2px;border-radius:4px;padding:1px 6px;font-size:9.5px;background:#fff;font-family:inherit;margin:0 3px}
.cs-disclaimer{text-align:center;font-size:10px;color:#b5b0a5;margin-top:7px}

/* ---------- 右栏：热门问题与快捷入口 ---------- */
.cs-help{background:#f1eee6;border-left:1px solid var(--line);padding:24px 20px;min-height:0;overflow-y:auto;scrollbar-width:thin}
.help-cap{font-size:10px;letter-spacing:2.4px;color:#a08a5d;font-weight:600;margin:6px 4px 13px}
.hot-list{display:grid;gap:9px;margin-bottom:28px}
.hot-list button{display:flex;align-items:center;gap:11px;background:var(--white);border:1px solid var(--line);border-radius:11px;padding:11px 13px;font-size:12px;color:#5d5b55;text-align:left;transition:.2s;line-height:1.6}
.hot-list button:hover{border-color:var(--gold);color:#7d6740;transform:translateX(3px)}
.hot-list b{width:22px;height:22px;border-radius:7px;background:#f1ead9;border:1px solid #e6dcc4;color:#a08a5d;font-size:11px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.quick-card{display:flex;align-items:center;gap:12px;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:13px 15px;margin-bottom:10px;transition:.2s}
.quick-card:hover{border-color:var(--gold);box-shadow:0 12px 26px -18px #9c865466}
.quick-card svg{width:19px;height:19px;color:var(--gold);flex-shrink:0}
.quick-card strong{display:block;font-size:12.5px;color:#33312c}
.quick-card small{font-size:10.5px;color:#a29d91}

/* ---------- 登录引导弹窗 ---------- */
.cs-modal{position:fixed;inset:0;background:#292b30ad;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;padding:22px}
.cs-modal[hidden]{display:none}
.cs-modal-card{background:var(--white);border-radius:18px;padding:34px 34px 28px;max-width:400px;text-align:center;box-shadow:0 40px 80px -30px #00000080;animation:msg-in .3s ease}
.cs-modal-card h2{font-size:19px;color:#33312c;margin-bottom:12px}
.cs-modal-card p{font-size:13px;line-height:2;color:#8e8b84;margin-bottom:22px}
.cs-modal-card .tag-mono{display:block;margin-bottom:10px}
.cs-modal-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cs-modal-hint{display:block;margin-top:14px;font-size:10.5px;color:#b5b0a5}

/* ---------- 移动端抽屉遮罩 ---------- */
.cs-backdrop{position:fixed;inset:0;background:#292b3080;z-index:55;opacity:0;pointer-events:none;transition:opacity .25s}
.cs-backdrop.show{opacity:1;pointer-events:auto}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .chat-page{grid-template-columns:240px minmax(0,1fr)}
  .cs-help{display:none}
}
@media (max-width:860px){
  .chat-page{grid-template-columns:1fr}
  .cs-side{position:fixed;inset:0 auto 0 0;width:280px;z-index:60;transform:translateX(-105%);transition:transform .28s ease;box-shadow:30px 0 60px -30px #00000080}
  .cs-side.open{transform:none}
  .cs-menu{display:block}
  .cs-messages,.cs-welcome{padding-inline:16px}
  .cs-inputwrap{padding:10px 14px 12px}
  .msg-user .bubble{max-width:88%}
  .cs-home span{display:none}
}