:root{--nav:#071526;--nav2:#0d2037;--blue:#2563eb;--bg:#f4f7fb;--line:#dce5f0;--text:#172033;--muted:#6c7b90}*{box-sizing:border-box}body{margin:0;font-family:Inter,"Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--bg)}button,input,textarea,select{font:inherit}.login-body{background:#071526}.login-shell{min-height:100vh;display:grid;grid-template-columns:1.08fr .92fr}.brand-panel{color:white;padding:45px 8vw;position:relative;background:radial-gradient(circle at 30% 25%,#173e6d 0,#071526 48%,#040c16 100%);display:flex;flex-direction:column}.brand{font-weight:800;font-size:20px;display:flex;align-items:center;gap:10px}.logo{width:38px;height:38px;border-radius:11px;background:#2875f5;display:inline-grid;place-items:center;color:#fff}.hero{margin:auto 0;max-width:620px}.eyebrow{font-size:12px;letter-spacing:2px;color:#6ea8ff}.hero h1{font-size:56px;line-height:1.12;margin:22px 0}.hero p{font-size:17px;line-height:1.8;color:#a9b8ca}.signal{background:#102944aa;border:1px solid #27517a;border-radius:18px;padding:20px;max-width:440px}.signal>span{float:right;color:#6ee7b7;font-size:12px}.bubble{margin-top:18px;background:#173858;padding:14px;border-radius:12px}.bubble small{color:#9db0c5}.form-panel{background:#fff;display:grid;place-items:center;padding:32px}.login-card{width:min(420px,100%)}.role{font-size:12px;color:#2563eb;font-weight:800;letter-spacing:1px}.login-card h2{font-size:36px;margin:12px 0}.login-card>p{color:var(--muted);margin-bottom:30px}label{display:block;font-size:13px;font-weight:700;margin:13px 0}input,textarea,select{width:100%;margin-top:7px;border:1px solid var(--line);border-radius:9px;padding:11px 12px;background:#fff;outline:none}textarea{min-height:105px;resize:vertical}input:focus,textarea:focus,select:focus{border-color:#4d8df7;box-shadow:0 0 0 3px #dceaff}.primary,.btn{border:0;border-radius:9px;padding:10px 16px;cursor:pointer;font-weight:700}.primary{background:#2468e8;color:#fff}.login-card .primary{width:100%;margin-top:10px;padding:13px}.secure{display:block;text-align:center;color:#7a889a;margin-top:22px}.alert{background:#fff0f0;color:#c82929;padding:10px;border-radius:8px;margin:12px 0}.layout{min-height:100vh;display:grid;grid-template-columns:240px 1fr}.layout aside{background:var(--nav);color:#fff;padding:24px 14px;position:fixed;inset:0 auto 0 0;width:240px;display:flex;flex-direction:column}.layout aside .brand{padding:0 10px 22px}.account{background:var(--nav2);padding:12px;border-radius:10px;margin-bottom:15px;font-weight:700}.account small{display:block;color:#7f96ae;font-weight:400;margin-top:5px}nav{overflow:auto}nav button{width:100%;border:0;background:transparent;color:#afbed0;text-align:left;padding:11px 12px;border-radius:8px;cursor:pointer;margin:2px 0}nav button span{display:inline-block;width:25px}nav button:hover,nav button.active{background:#193653;color:#fff}.logout{margin-top:auto;color:#9fb0c4;padding:12px;text-decoration:none}.layout main{grid-column:2;padding:28px 34px}.layout header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.layout header h1{margin:0;font-size:26px}.layout header p{margin:6px 0;color:var(--muted)}.mobile-menu{display:none}.card{background:#fff;border:1px solid #e6edf5;border-radius:13px;padding:20px;box-shadow:0 2px 10px #23405d0a;margin-bottom:18px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.stat b{display:block;font-size:28px;margin:8px 0}.stat small{color:var(--muted)}.toolbar{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-bottom:15px;flex-wrap:wrap}.toolbar input,.toolbar select{width:auto;margin:0}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:12px 9px;border-bottom:1px solid #edf1f6}th{color:#627188;background:#f8fafc}.badge{display:inline-block;border-radius:99px;padding:4px 9px;background:#e8f1ff;color:#2468e8}.badge.ok{background:#e7f8ef;color:#16834e}.badge.bad{background:#feecec;color:#c92c2c}.btn{background:#e8eef6;color:#34445b;padding:8px 11px}.btn.danger{color:#c62c2c;background:#feeeee}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 18px}.form-grid .wide{grid-column:1/-1}.actions{display:flex;gap:9px;margin-top:15px}.empty,.loading{text-align:center;padding:45px;color:var(--muted)}#modal .mask{position:fixed;inset:0;background:#05101db3;display:grid;place-items:center;padding:20px;z-index:20}#modal .dialog{background:white;width:min(650px,100%);max-height:90vh;overflow:auto;border-radius:15px;padding:22px}#modal h2{margin-top:0}#toast{position:fixed;left:50%;top:22px;transform:translateX(-50%);background:#172b43;color:#fff;padding:12px 18px;border-radius:9px;display:none;z-index:30;max-width:min(560px,calc(100vw - 32px));text-align:center;box-shadow:0 10px 30px #07152633}.charts{display:grid;grid-template-columns:1fr 1fr;gap:16px}.bar{height:9px;border-radius:8px;background:#e9eff6;overflow:hidden}.bar i{display:block;height:100%;background:#3478ed}.mono{font-family:Consolas,monospace}.conversation{display:grid;grid-template-columns:290px 1fr;height:65vh}.threads{border-right:1px solid var(--line);overflow:auto}.thread{padding:13px;border-bottom:1px solid #edf1f6;cursor:pointer}.thread:hover{background:#f5f8fc}.messages{padding:18px;overflow:auto}.msg{max-width:75%;padding:10px 13px;border-radius:12px;background:#edf2f7;margin:8px 0}.msg.out{margin-left:auto;background:#2872ed;color:white}@media(max-width:850px){.login-shell{grid-template-columns:1fr}.brand-panel{display:none}.stats{grid-template-columns:1fr 1fr}.layout{display:block}.layout aside{transform:translateX(-100%);z-index:10;transition:.2s}.layout aside.open{transform:none}.layout main{padding:20px}.mobile-menu{display:block}.form-grid,.charts{grid-template-columns:1fr}.conversation{grid-template-columns:1fr;height:auto}.threads{border:0;max-height:250px}.hero h1{font-size:40px}}@media(max-width:500px){.stats{grid-template-columns:1fr}table{display:block;overflow-x:auto}}
/* 前端用户账号分配：固定账号使用独立下拉，弹窗本身不再因账号数量变长 */
.assignment-fixed{border:1px solid var(--line);border-radius:9px;background:#fff;margin:10px 0}
.assignment-fixed>summary{list-style:none;cursor:pointer;padding:11px 12px;font-size:13px;font-weight:700;display:flex;justify-content:space-between;align-items:center}
.assignment-fixed>summary::-webkit-details-marker{display:none}
.assignment-fixed>summary:after{content:'⌄';font-size:18px;color:#64748b}
.assignment-fixed[open]>summary:after{content:'⌃'}
.fixed-count{margin-left:auto;margin-right:10px;color:#64748b;font-weight:500}
.assignment-options{max-height:clamp(150px,32vh,290px);overflow-y:auto;border-top:1px solid var(--line);padding:6px 12px}
.assignment-options label{display:flex;align-items:center;gap:8px;margin:0;padding:8px 2px;white-space:nowrap}
.assignment-options input[type=checkbox]{width:15px;height:15px;min-width:15px;margin:0;padding:0}
.assignment-options span{overflow:hidden;text-overflow:ellipsis}
#modal .dialog:has(.person-form){width:min(650px,calc(100vw - 28px));max-height:min(90dvh,720px);overflow:hidden}
.person-form{max-height:calc(min(90dvh,720px) - 62px);overflow-y:auto;padding-right:4px}
@media(max-height:700px){.person-form .form-grid{gap:0 12px}.person-form label{margin:7px 0}.person-form input,.person-form select{padding:8px 10px}.assignment-options{max-height:25vh}}
/* Production UI: keep primary actions and values visible, hide repetitive helper copy. */
header > div > p,.charts > .card > p,.feature-card > .toolbar p{display:none}
.simple-login{min-height:100vh;display:grid;place-items:center;padding:24px;background:#f4f7fb}.simple-login-card{width:min(400px,100%);background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:34px;box-shadow:0 16px 45px rgba(15,23,42,.08)}.simple-login-brand{display:flex;align-items:center;gap:12px;font-size:20px}.simple-login-card h1{font-size:25px;margin:30px 0 22px}.simple-login-card label{margin:15px 0}.simple-login-card .primary{width:100%;margin-top:10px;padding:13px}.simple-login-card .alert{margin-bottom:18px}
/* Login v2 */
.login-v2{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(145deg,#eef4ff 0%,#f7f9fc 48%,#edf2f8 100%)}.login-v2-card{width:min(410px,100%);background:#fff;border:1px solid #dfe7f1;border-radius:20px;padding:38px 36px 32px;box-shadow:0 22px 65px rgba(27,49,78,.12)}.login-v2-head{text-align:center;margin-bottom:27px}.login-v2-logo{width:52px;height:52px;border-radius:15px;background:#2563eb;color:#fff;display:grid;place-items:center;font-size:24px;margin:0 auto 13px;box-shadow:0 9px 22px rgba(37,99,235,.24)}.login-v2-name{font-size:20px;font-weight:800;color:#172033}.login-v2-head h1{font-size:25px;margin:9px 0 0;color:#172033}.login-v2-form label{text-align:left;margin:15px 0;color:#34445b}.login-v2-form input{height:46px;border-radius:10px}.login-v2-form .primary{width:100%;height:47px;margin-top:10px;font-size:15px}.login-v2-error{margin-top:14px;padding:10px 12px;border-radius:9px;background:#fff0f0;color:#c82929;text-align:center;font-size:13px}.login-v2-form:has(.login-v2-error) .primary{margin-bottom:0}@media(max-width:500px){.login-v2-card{padding:30px 22px;border-radius:16px}}
.login-v2{position:relative;isolation:isolate;background:#0b2342 url('/static/login-bg.svg') center/cover no-repeat}.login-v2:before{content:'';position:absolute;inset:0;background:rgba(5,18,38,.3);z-index:-1}.login-v2-card{margin-left:min(48vw,720px);box-shadow:0 25px 75px rgba(3,12,28,.32)}@media(max-width:1050px){.login-v2:before{background:rgba(5,18,38,.58)}.login-v2-card{margin-left:0}}@media(max-width:600px){.login-v2{background-position:36% center}}
.login-v2.admin-login{background:#f4f7fb}.login-v2.admin-login:before{display:none}.login-v2.admin-login .login-v2-card{margin-left:0;box-shadow:0 16px 45px rgba(15,23,42,.1)}
.slider-captcha{height:46px;margin:18px 0 5px;border:1px solid #d7e1ee;border-radius:10px;background:#f3f6fa;position:relative;overflow:hidden;user-select:none;touch-action:none}.slider-progress{position:absolute;inset:0 auto 0 0;width:0;background:#dbeafe;transition:width .08s}.slider-text{position:absolute;inset:0;display:grid;place-items:center;color:#718096;font-size:13px}.slider-handle{position:absolute;left:2px;top:2px;width:50px;height:40px;border:0;border-radius:8px;background:#fff;color:#2563eb;font-size:18px;font-weight:800;box-shadow:0 2px 8px rgba(15,23,42,.14);cursor:grab;touch-action:none}.slider-handle:active{cursor:grabbing}.slider-captcha.verified{border-color:#34a36f;background:#ecfdf5}.slider-captcha.verified .slider-progress{background:#d1fae5}.slider-captcha.verified .slider-text{color:#16834e;font-weight:700}.slider-captcha.verified .slider-handle{background:#16a34a;color:#fff}
.captcha-mask{position:fixed;inset:0;z-index:100;display:none;place-items:center;padding:20px;background:rgba(4,14,30,.56);backdrop-filter:blur(3px)}.captcha-mask.show{display:grid}.captcha-dialog{width:min(390px,100%);background:#fff;border-radius:16px;padding:24px;box-shadow:0 24px 70px rgba(0,0,0,.3)}.captcha-dialog h3{margin:0;text-align:center;font-size:20px}.captcha-dialog p{text-align:center;color:#718096;font-size:13px;margin:8px 0 20px}.captcha-dialog .slider-captcha{margin:0}.captcha-cancel{display:block;margin:16px auto 0;border:0;background:transparent;color:#64748b;cursor:pointer}
/* Login background layout: illustration and form occupy separate columns. */
.login-v2:not(.admin-login){grid-template-columns:55% 45%;place-items:center;background-color:#f4f7fb;background-size:55% 100%;background-position:left center;background-repeat:no-repeat}.login-v2:not(.admin-login):before{display:none}.login-v2:not(.admin-login) .login-v2-card{grid-column:2;margin:0;width:min(410px,calc(100% - 48px))}@media(max-width:1050px){.login-v2:not(.admin-login){grid-template-columns:1fr;background-size:cover;background-position:center}.login-v2:not(.admin-login):before{display:block;background:rgba(5,18,38,.58)}.login-v2:not(.admin-login) .login-v2-card{grid-column:1;width:min(410px,100%)}}
/* Compact queue monitor */
.queue-stats{grid-template-columns:repeat(5,minmax(0,1fr))}.queue-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:16px;align-items:start}.queue-grid>.card{margin:0;min-width:0}.queue-table{overflow:auto;max-height:58vh}.queue-table th{position:sticky;top:0;z-index:1;white-space:nowrap}.queue-table td{vertical-align:middle}.queue-error{display:block;color:#c92c2c;margin-top:5px;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(max-width:1100px){.queue-grid{grid-template-columns:1fr}.queue-stats{grid-template-columns:repeat(3,1fr)}}@media(max-width:650px){.queue-stats{grid-template-columns:repeat(2,1fr)}}
/* Balanced front-login composition */
.login-v2:not(.admin-login){grid-template-columns:62% 38%;background-size:62% 100%;background-color:#eef4fb;background-image:url('/static/login-bg.svg'),linear-gradient(135deg,#f7faff 0%,#eaf2fb 100%);overflow:hidden}
.login-v2:not(.admin-login):after{content:'';position:absolute;right:-10vw;top:-18vh;width:52vw;height:52vw;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.09) 0%,rgba(37,99,235,.025) 48%,transparent 70%);z-index:-1;pointer-events:none}
.login-v2:not(.admin-login) .login-v2-card{grid-column:2;width:min(440px,calc(100% - 56px));padding:40px 38px 34px;box-shadow:0 24px 65px rgba(35,62,96,.18)}
@media(max-width:1300px){.login-v2:not(.admin-login){grid-template-columns:57% 43%;background-size:57% 100%}.login-v2:not(.admin-login) .login-v2-card{grid-column:2}}
@media(max-width:1050px){.login-v2:not(.admin-login){grid-template-columns:1fr;background-size:cover}.login-v2:not(.admin-login) .login-v2-card{grid-column:1;width:min(420px,100%)}}
/* Unified full-page front-login background */
.login-v2:not(.admin-login){grid-template-columns:62% 38%;background:#eaf2fb url('/static/login-bg.svg') center/cover no-repeat}
.login-v2:not(.admin-login):after{display:none}
@media(max-width:1300px){.login-v2:not(.admin-login){grid-template-columns:57% 43%;background-size:cover;background-position:center}}
@media(max-width:1050px){.login-v2:not(.admin-login){grid-template-columns:1fr;background-size:cover;background-position:38% center}}
/* Grouped platform actions */
.platform-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.platform-actions .action-set{display:flex;gap:6px;padding-left:10px;border-left:1px solid #d8e1ed}.platform-actions .action-set:first-child{padding-left:0;border-left:0}.platform-actions .btn{white-space:nowrap}.btn-group{background:#ede9fe;color:#6d28d9}.btn-move{background:#e0e7ff;color:#4338ca}.btn-config{background:#dbeafe;color:#1d4ed8}.btn-import{background:#dcfce7;color:#15803d}.btn-export{background:#cffafe;color:#0e7490}@media(max-width:900px){.platform-actions .action-set{padding-left:0;border-left:0}}
.import-progress{margin:14px 0}.import-progress>div{height:8px;background:#e6edf5;border-radius:8px;overflow:hidden}.import-progress i{display:block;width:0;height:100%;background:#16a34a;transition:width .15s}.import-progress i.failed{background:#dc2626}.import-progress span{display:block;margin-top:7px;color:#64748b;font-size:12px}.actions button:disabled{opacity:.55;cursor:not-allowed}