:root{--bg:#f3f6fb;--card:#fff;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;--brand:#2563eb;--brand2:#1d4ed8;--danger:#ef4444;--ok:#10b981;--warn:#f59e0b;--radius:18px;--shadow:0 18px 50px rgba(15,23,42,.08)}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.login-page{display:flex;align-items:center;justify-content:center;padding:18px;background:linear-gradient(135deg,#edf4ff,#f8fafc)}.login-card{width:min(420px,100%);background:#fff;border-radius:28px;box-shadow:var(--shadow);padding:32px}.brand-mark{display:inline-flex;background:#eff6ff;color:var(--brand);padding:8px 14px;border-radius:999px;font-weight:900}.login-card h1{font-size:28px;margin:20px 0 8px}.login-card p{color:var(--muted);margin:0 0 24px}.login-card label,.form-card label{display:flex;flex-direction:column;gap:8px;margin-bottom:14px;font-weight:800;color:#334155}.login-card input,.form-card input,.form-card textarea,.form-card select{width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:12px 14px;outline:none}.login-card input:focus,.form-card input:focus,.form-card textarea:focus,.form-card select:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(37,99,235,.12)}.primary-btn,.ghost-btn,.danger-btn,.small-btn{border:0;border-radius:14px;padding:12px 16px;font-weight:900;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px}.primary-btn{background:var(--brand);color:#fff}.primary-btn:hover{background:var(--brand2)}.ghost-btn{background:#eef2f7;color:#334155}.danger-btn{background:#fee2e2;color:#b91c1c}.small-btn{padding:8px 10px;border-radius:12px;background:#eef2f7;color:#334155;font-size:13px}.notice{border-radius:14px;padding:12px 14px;margin-bottom:16px;font-weight:800}.notice.error{background:#fef2f2;color:#b91c1c}.notice.success{background:#ecfdf5;color:#047857}
.topbar{height:62px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 18px;position:sticky;top:0;z-index:20}.top-left{display:flex;align-items:center;gap:12px}.logo{width:38px;height:38px;border-radius:14px;background:linear-gradient(135deg,#2563eb,#38bdf8);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:1000}.title-block b{display:block}.title-block span{display:block;color:var(--muted);font-size:12px}
.top-actions{display:flex;align-items:center;gap:8px;margin-left:auto;margin-right:12px}.service-status-btn,.sound-toggle{border:0;border-radius:999px;padding:8px 12px;font-weight:1000;font-size:13px;cursor:pointer;white-space:nowrap}.service-status-btn.online{background:#dcfce7;color:#047857}.service-status-btn.offline{background:#fee2e2;color:#b91c1c}.sound-toggle{background:#eff6ff;color:#2563eb}.sound-toggle.off{background:#f1f5f9;color:#64748b}.service-status-btn:disabled{opacity:.6;cursor:not-allowed}
.nav{display:flex;gap:8px;align-items:center}.nav a{padding:9px 12px;border-radius:12px;color:#334155;font-weight:800}.nav a.active,.nav a:hover{background:#eff6ff;color:var(--brand)}
.workbench{height:calc(100vh - 62px);height:calc(100dvh - 62px);height:calc(var(--admin-app-height,100dvh) - 62px);display:grid;grid-template-columns:360px minmax(0,1fr) 300px;gap:0;min-height:0;overflow:hidden}.conversation-panel{background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0;min-height:0}.panel-head{padding:14px;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:center;justify-content:space-between;flex:0 0 auto}.panel-head h2{font-size:18px;margin:0}.filter-tabs{display:flex;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);overflow:auto;flex:0 0 auto}.filter-tabs button{white-space:nowrap;border:0;background:#f1f5f9;border-radius:999px;padding:8px 12px;font-weight:900;color:#475569;cursor:pointer}.filter-tabs button.active{background:#dbeafe;color:var(--brand)}.conversation-list{overflow:auto;flex:1;min-height:0;-webkit-overflow-scrolling:touch}.conversation-item{padding:14px;border-bottom:1px solid #eef2f7;cursor:pointer;display:grid;grid-template-columns:1fr auto;gap:8px;position:relative}.conversation-item:hover,.conversation-item.active{background:#f8fbff}.conversation-title{font-weight:900;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation-meta{font-size:12px;color:var(--muted);margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge{background:#ef4444;color:#fff;min-width:22px;height:22px;padding:0 7px;border-radius:999px;font-size:12px;font-weight:1000;display:flex;align-items:center;justify-content:center}.status-dot{width:9px;height:9px;border-radius:50%;background:var(--ok);display:inline-block;margin-right:6px}.status-dot.closed{background:#94a3b8}
.chat-panel{display:flex;flex-direction:column;min-width:0;min-height:0;background:#f8fafc}.chat-empty{height:100%;display:flex;align-items:center;justify-content:center;color:var(--muted);text-align:center;padding:30px}.chat-head{height:62px;flex:0 0 62px;background:#fff;border-bottom:1px solid var(--line);padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.chat-head-info{min-width:0}.chat-head-info b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-head-info span{display:block;color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-back{display:none}.messages{flex:1 1 auto;min-height:0;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:12px;-webkit-overflow-scrolling:touch}.message-row{display:flex}.message-row.agent{justify-content:flex-end}.bubble{max-width:min(78%,720px);padding:11px 13px;border-radius:18px;background:#fff;box-shadow:0 4px 18px rgba(15,23,42,.04);line-height:1.55;white-space:pre-wrap;word-break:break-word}.message-row.agent .bubble{background:#2563eb;color:#fff;border-bottom-right-radius:6px}.message-row.visitor .bubble{border-bottom-left-radius:6px}.message-row.system{justify-content:center}.message-row.system .bubble{background:#e2e8f0;color:#475569;font-size:12px;max-width:90%;box-shadow:none}.msg-time{font-size:11px;color:#94a3b8;margin-top:4px}.message-row.agent .msg-time{color:rgba(255,255,255,.78)}
.composer{flex:0 0 auto;position:relative;z-index:6;background:#fff;border-top:1px solid var(--line);padding:12px;display:flex;gap:10px;align-items:flex-end;padding-bottom:calc(12px + env(safe-area-inset-bottom))}.composer textarea{flex:1 1 auto;min-width:0;resize:none;min-height:44px;max-height:130px;border:1px solid var(--line);border-radius:16px;padding:11px 13px;outline:none;background:#fff;line-height:1.35}.composer .primary-btn{flex:0 0 74px;min-width:74px;height:44px;padding:0 12px;white-space:nowrap}.side-panel{background:#fff;border-left:1px solid var(--line);display:flex;flex-direction:column;min-width:0;min-height:0}.side-section{padding:16px;border-bottom:1px solid var(--line)}.side-section h3{margin:0 0 12px;font-size:16px}.info-line{font-size:13px;margin:8px 0;color:#475569;word-break:break-all}.info-line b{color:#0f172a}.quick-list{display:flex;flex-direction:column;gap:8px;max-height:290px;overflow:auto}.quick-item{border:1px solid var(--line);background:#f8fafc;border-radius:14px;padding:10px;cursor:pointer}.quick-item b{font-size:13px}.quick-item p{margin:4px 0 0;color:#64748b;font-size:12px;line-height:1.4}.content-wrap{max-width:1080px;margin:24px auto;padding:0 18px}.page-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.page-title h1{font-size:26px;margin:0}.form-card{background:#fff;border-radius:24px;box-shadow:var(--shadow);padding:22px;margin-bottom:18px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.full{grid-column:1/-1}.table-card{background:#fff;border-radius:24px;box-shadow:var(--shadow);overflow:hidden}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:13px 15px;border-bottom:1px solid #eef2f7;text-align:left;font-size:14px}.table th{background:#f8fafc;color:#475569}.actions-row{display:flex;gap:8px;flex-wrap:wrap}.widget-code{background:#0f172a;color:#e2e8f0;border-radius:16px;padding:14px;white-space:pre-wrap;word-break:break-all;font-size:13px}.muted{color:var(--muted)}
@media(max-width:1100px){.workbench{grid-template-columns:330px minmax(0,1fr)}.side-panel{display:none}}
@media(max-width:760px){body{background:#fff;overflow:hidden}.topbar{padding:0 10px}.top-actions{margin-left:6px;margin-right:0;gap:6px}.service-status-btn,.sound-toggle{font-size:12px;padding:7px 9px}.sound-toggle{display:none}.nav{position:fixed;bottom:0;left:0;right:0;height:58px;background:#fff;border-top:1px solid var(--line);justify-content:space-around;z-index:30;padding-bottom:env(safe-area-inset-bottom)}.nav a{font-size:13px;padding:8px 9px}.title-block span{display:none}.workbench{height:calc(100vh - 62px - 58px);height:calc(100dvh - 62px - 58px);height:calc(var(--admin-app-height,100dvh) - 62px - 58px);display:block;position:relative;overflow:hidden}.conversation-panel,.chat-panel{position:absolute;inset:0;width:100%;height:100%}.chat-panel{transform:translateX(100%);transition:.2s transform}.workbench.chat-open .chat-panel{transform:translateX(0)}.workbench.chat-open .conversation-panel{transform:translateX(-18%)}.conversation-panel{transition:.2s transform}.mobile-back{display:inline-flex}.chat-head{height:58px;flex-basis:58px;padding:0 10px}.messages{padding:12px}.bubble{max-width:86%}.composer{padding:9px;gap:8px;padding-bottom:calc(9px + env(safe-area-inset-bottom))}.composer textarea{min-height:42px}.composer .primary-btn{flex-basis:70px;min-width:70px;height:42px}.primary-btn,.ghost-btn,.danger-btn{padding:10px 12px}.content-wrap{padding:12px;margin:0 0 64px}.grid-2{grid-template-columns:1fr}.page-title{align-items:flex-start;flex-direction:column}.table-card{overflow:auto;border-radius:18px}.form-card{border-radius:18px;padding:16px}.login-page{align-items:flex-start;overflow:auto}.login-card{margin-top:30px;border-radius:24px;padding:26px 20px}body.keyboard-open .nav{display:none}body.keyboard-open .workbench{height:calc(var(--admin-app-height,100dvh) - 62px)}}
.image-btn{flex:0 0 44px;min-width:44px;width:44px;height:44px;border:0;border-radius:15px;background:#eef2ff;color:#2563eb;font-size:24px;font-weight:1000;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer}.image-btn:disabled{opacity:.55;cursor:not-allowed}.image-message{display:block;line-height:0}.image-message img{display:block;max-width:min(280px,70vw);max-height:300px;border-radius:13px;object-fit:cover}.message-row.agent .image-message img{box-shadow:0 0 0 1px rgba(255,255,255,.2)}.bubble:has(.image-message){padding:6px}.message-row.system .bubble:has(.image-message){padding:6px}
@media(max-width:760px){.image-btn{flex-basis:42px;min-width:42px;width:42px;height:42px}.image-message img{max-width:68vw;max-height:260px}}