:root{
  --at-primary:#6190E8; --at-primary-d:#4d7fd6; --at-primary-l:#eef3fd;
  --at-success:#13CE66; --at-success-l:#e7faf0;
  --at-warning:#FFC82C; --at-warning-d:#b98b00; --at-warning-l:#fff8e6;
  --at-error:#FF4949; --at-error-l:#ffeded;
  --at-info:#78A4FA; --at-info-l:#eef4ff;
  --at-text:#3F536E; --at-sub:#8D9AA8; --at-light:#B3BFCC;
  --at-border:#E9E9E9; --at-border-d:#DDDDDD; --at-bg:#F8F8F9;
  --at-radius:4px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  font-size:14px;color:var(--at-text);background:var(--at-bg);-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:500}
a{color:var(--at-primary);text-decoration:none}
a:hover{color:var(--at-primary-d)}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
input,select,button,textarea{font-family:inherit}
:focus{outline:none}
:focus-visible{outline:2px solid var(--at-primary);outline-offset:1px}
table{border-collapse:collapse;width:100%}

/* layout */
.shell{display:flex;min-height:100vh}
.sidebar{width:200px;flex:none;background:#fff;border-right:1px solid var(--at-border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;height:60px;padding:0 16px;border-bottom:1px solid var(--at-border)}
.brand-mark{width:26px;height:26px;border-radius:var(--at-radius);background:var(--at-primary);display:grid;place-items:center;flex:none}
.brand-name{font-size:16px;font-weight:500;letter-spacing:.3px}
.nav-group{padding:12px 16px 6px;font-size:12px;color:var(--at-light);letter-spacing:.4px}
.nav-item{display:flex;align-items:center;gap:10px;width:100%;height:42px;padding:0 16px;background:none;border:0;border-left:2px solid transparent;color:var(--at-sub);font-size:13px;cursor:pointer;text-align:left}
.nav-item:hover{background:#f4f7fd;color:var(--at-primary)}
.nav-item.is-active{background:var(--at-primary-l);color:var(--at-primary);border-left-color:var(--at-primary)}
.nav-item .label{flex:1}
.sidebar-foot{margin-top:auto;border-top:1px solid var(--at-border)}
.build{padding:10px 16px 14px;font-size:12px;color:var(--at-sub)}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:60px;flex:none;background:#fff;border-bottom:1px solid var(--at-border);display:flex;align-items:center;gap:14px;padding:0 20px;position:sticky;top:0;z-index:10}
.crumb{font-size:12px;color:var(--at-sub)}
.crumb-sep{width:1px;height:16px;background:var(--at-border)}
.screen-title{font-size:16px;font-weight:500}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--at-primary);color:#fff;display:grid;place-items:center;font-size:12px}
.page{padding:20px}
.stack{display:flex;flex-direction:column;gap:16px}
.row{display:flex;align-items:center;gap:12px}
.row-wrap{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.push{margin-left:auto}
.muted{color:var(--at-sub);font-size:12px}
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,460px),1fr));gap:16px;align-items:start}
.grid-5{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr));gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:16px}
.min0{min-width:0}
.scroll-x{overflow-x:auto}

/* card */
.card{background:#fff;border:1px solid var(--at-border);border-radius:var(--at-radius)}
.card-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--at-border)}
.card-title{font-size:15px;font-weight:500}
.card-body{padding:16px}
.card-foot{padding:12px 16px;border-top:1px solid var(--at-border);font-size:12px;color:var(--at-sub)}
.card-toolbar{padding:12px 16px;border-bottom:1px solid var(--at-border);background:var(--at-bg);display:flex;flex-wrap:wrap;gap:8px}

/* kpi */
.kpi{background:#fff;border:1px solid var(--at-border);border-radius:var(--at-radius);padding:18px 16px}
.kpi-label{font-size:13px;color:var(--at-sub)}
.kpi-value{font-size:28px;font-weight:500;margin-top:8px;letter-spacing:-.5px}
.kpi-delta{margin-top:6px;font-size:12px}
.kpi-delta.up{color:var(--at-success)}
.kpi-delta.down{color:var(--at-error)}
.stat{border-radius:var(--at-radius);padding:14px 16px;border:1px solid var(--at-border)}
.stat-primary{background:var(--at-primary-l);border-color:var(--at-primary)}
.stat-info{background:var(--at-info-l);border-color:var(--at-info)}
.stat-success{background:var(--at-success-l);border-color:var(--at-success)}
.stat-warning{background:var(--at-warning-l);border-color:#f0d9a0}
.stat-error{background:var(--at-error-l);border-color:var(--at-error)}
.stat-value{font-size:24px;font-weight:500;margin-top:4px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:32px;padding:0 15px;font-size:14px;
  border-radius:var(--at-radius);cursor:pointer;transition:all .2s;white-space:nowrap;background:#fff;color:var(--at-text);border:1px solid var(--at-border-d)}
.btn:hover{border-color:var(--at-primary);color:var(--at-primary)}
.btn-primary{background:var(--at-primary);color:#fff;border-color:var(--at-primary)}
.btn-primary:hover{background:var(--at-primary-d);border-color:var(--at-primary-d);color:#fff}
.btn-danger{color:var(--at-error);border-color:#ffc9c9}
.btn-danger:hover{border-color:var(--at-error);color:var(--at-error)}
.btn-sm{height:26px;padding:0 10px;font-size:12px}
.btn-icon{width:26px;height:26px;padding:0}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed}
.btn-group{display:flex;gap:8px;flex-wrap:wrap}
.chip{height:26px;padding:0 10px;font-size:12px;border-radius:var(--at-radius);cursor:pointer;background:#fff;color:var(--at-sub);border:1px solid var(--at-border-d)}
.chip.is-on{background:var(--at-primary-l);color:var(--at-primary);border-color:var(--at-primary)}

/* forms */
.field{display:flex;flex-direction:column;gap:6px;min-width:150px}
.field-label{font-size:13px;color:var(--at-text)}
.input,select.input,textarea.input{height:32px;padding:0 10px;font-size:14px;color:var(--at-text);background:#fff;
  border:1px solid var(--at-border-d);border-radius:var(--at-radius);width:100%}
textarea.input{height:auto;padding:8px 10px;line-height:1.6;resize:vertical}
.input:focus{border-color:var(--at-primary);box-shadow:0 0 0 2px var(--at-primary-l)}
.input.is-invalid{border-color:var(--at-error);color:var(--at-error)}
.help{font-size:12px;color:var(--at-sub)}
.errorlist{margin:4px 0 0;padding:0;list-style:none;font-size:12px;color:var(--at-error)}
.check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--at-sub);cursor:pointer}
.check input{width:14px;height:14px;accent-color:var(--at-primary);margin:0}

/* table */
.table th{text-align:left;font-size:13px;font-weight:500;color:var(--at-text);background:var(--at-bg);
  padding:10px 12px;border-bottom:1px solid var(--at-border);white-space:nowrap}
.table td{padding:11px 12px;border-bottom:1px solid var(--at-border);font-size:13px;vertical-align:middle}
.table tbody tr:hover{background:#fafbfc}
.table .right{text-align:right}
.table .actions{display:flex;gap:6px;justify-content:flex-end}

/* tags */
.tag{display:inline-flex;align-items:center;gap:6px;border:1px solid;font-size:12px;line-height:18px;padding:0 7px;border-radius:var(--at-radius);white-space:nowrap}
.tag-success{color:var(--at-success);border-color:var(--at-success);background:var(--at-success-l)}
.tag-warning{color:var(--at-warning-d);border-color:var(--at-warning-d);background:var(--at-warning-l)}
.tag-error{color:var(--at-error);border-color:var(--at-error);background:var(--at-error-l)}
.tag-info{color:var(--at-info);border-color:var(--at-info);background:var(--at-info-l)}
.tag-primary{color:var(--at-primary);border-color:var(--at-primary);background:var(--at-primary-l)}
.tag-muted{color:var(--at-sub);border-color:var(--at-border-d);background:#f4f6f8}
.badge{background:#f0f2f5;color:var(--at-sub);font-size:12px;padding:0 7px;border-radius:10px;line-height:18px}
.badge-primary{background:var(--at-primary);color:#fff}
.badge-error{background:var(--at-error);color:#fff}

/* poster + series grid */
.poster{aspect-ratio:9/16;background:#eceff3;border-radius:var(--at-radius);display:grid;place-items:center;
  font-size:11px;color:var(--at-light);letter-spacing:.5px}
.series-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(164px,1fr));gap:16px}
.series-card{background:#fff;border:1px solid var(--at-border);border-radius:var(--at-radius);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s}
.series-card:hover{box-shadow:0 2px 10px rgba(63,83,110,.14)}
.series-card .thumb{position:relative;display:block}
.series-card .thumb .tag{position:absolute;top:8px;left:8px;background:#fff}
.series-card .ep{position:absolute;bottom:8px;right:8px;background:rgba(63,83,110,.85);color:#fff;font-size:11px;padding:1px 7px;border-radius:var(--at-radius)}
.series-card .body{padding:12px;display:flex;flex-direction:column;gap:7px;flex:1}
.series-card .foot{display:flex;align-items:center;gap:6px;margin-top:auto;padding-top:10px;border-top:1px solid var(--at-border);font-size:12px;color:var(--at-sub)}

/* bars */
.bar{flex:1;height:8px;background:#f0f2f5;border-radius:100px;overflow:hidden}
.bar > span{display:block;height:100%;border-radius:100px;background:var(--at-primary)}
.bar-row{display:flex;align-items:center;gap:10px;margin-bottom:9px}

/* calendar */
.calendar{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}
.cal-day{border-right:1px solid var(--at-border);border-bottom:1px solid var(--at-border);padding:12px 10px;min-height:150px}
.cal-day:nth-child(7n){border-right:0}
.cal-day.is-today{background:var(--at-primary-l)}
.cal-num{font-size:15px;font-weight:500}
.drop{border-radius:var(--at-radius);padding:6px 8px;line-height:1.3;font-size:12px;margin-top:6px;border:1px solid}
.drop-publish{background:var(--at-primary-l);color:var(--at-primary);border-color:var(--at-primary)}
.drop-unpublish{background:var(--at-error-l);color:var(--at-error);border-color:var(--at-error)}
.drop-rail{background:var(--at-warning-l);color:var(--at-warning-d);border-color:#f0d9a0}

/* kanban */
.kanban{display:grid;grid-template-columns:repeat(4,minmax(220px,1fr));gap:12px;overflow-x:auto}
.kanban-col{background:#fff;border:1px solid var(--at-border);border-radius:var(--at-radius);display:flex;flex-direction:column;min-width:220px}
.kanban-head{padding:12px 14px;border-bottom:1px solid var(--at-border);display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500}
.kanban-body{padding:12px;display:flex;flex-direction:column;gap:10px;min-height:120px}
.kanban-card{border:1px solid var(--at-border);border-radius:var(--at-radius);padding:10px 12px;font-size:13px;display:flex;flex-direction:column;gap:6px;background:#fff;cursor:grab}
.kanban-card.dragging{opacity:.5}

/* preview */
.phone-preview{border:1px solid var(--at-border);border-radius:var(--at-radius);background:#0f1216;padding:10px;display:flex;flex-direction:column;gap:10px}
.phone-preview .hero{aspect-ratio:16/9;background:#242a31;border-radius:3px;display:grid;place-items:center;color:#5c6773;font-size:11px}
.phone-preview .rail-name{font-size:11px;color:#c7ced6;margin-bottom:5px}
.phone-preview .cells{display:flex;gap:5px}
.phone-preview .cells span{flex:1;aspect-ratio:9/16;background:#242a31;border-radius:2px}

/* modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(32,30,29,.42);display:grid;place-items:center;padding:32px;z-index:50}
.modal-backdrop[hidden]{display:none}
.modal{width:100%;max-width:640px;max-height:88vh;overflow:auto;background:#fff;border-radius:var(--at-radius);box-shadow:0 8px 30px rgba(32,30,29,.22)}
.modal-close{margin-left:auto;width:26px;height:26px;display:grid;place-items:center;background:none;border:0;color:var(--at-sub);cursor:pointer;border-radius:var(--at-radius)}
.modal-close:hover{background:#f4f7fd;color:var(--at-primary)}

/* auth */
.auth{display:flex;min-height:100vh;background:#fff}
.auth-aside{width:44%;flex:none;background:var(--at-primary);color:#fff;padding:44px 48px;display:flex;flex-direction:column}
.auth-aside .mark{width:30px;height:30px;border-radius:var(--at-radius);background:rgba(255,255,255,.18);display:grid;place-items:center;flex:none}
.auth-claim{font-size:34px;font-weight:500;line-height:1.25;letter-spacing:-.5px;max-width:420px;text-wrap:pretty}
.auth-stats{display:flex;gap:32px;margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.22)}
.auth-stats b{display:block;font-size:20px;font-weight:500}
.auth-stats span{font-size:12px;color:rgba(255,255,255,.72)}
.auth-main{flex:1;min-width:0;display:grid;place-items:center;padding:40px}
.auth-form{width:100%;max-width:376px;display:flex;flex-direction:column;gap:16px}
.auth-kicker{font-size:12px;color:var(--at-light);letter-spacing:.6px}
.notice{border:1px solid var(--at-success);background:var(--at-success-l);border-radius:var(--at-radius);padding:14px 16px;font-size:13px;line-height:1.6}
.pw-meter{display:flex;gap:4px;margin-top:8px}
.pw-meter i{flex:1;height:4px;border-radius:2px;background:var(--at-border)}
.pw-meter i.on{background:var(--at-success)}

@media (max-width:860px){
  .auth-aside{display:none}
  .sidebar{width:64px}
  .sidebar .label,.brand-name,.nav-group,.build{display:none}
}
@media print{
  .sidebar,.topbar{display:none}
}