:root{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:#172033;background:#f4f6fa;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}.app{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:220px;background:#111827;color:#d7dce7;display:flex;flex-direction:column;padding:28px 16px 20px}.logo{padding:0 14px 30px;display:flex;align-items:center;gap:12px}.logo span{font-size:25px;font-weight:800;color:white;letter-spacing:3px}.logo small{font-size:9px;color:#76839a;letter-spacing:2px}.nav{display:flex;gap:12px;align-items:center;width:100%;border:0;background:transparent;color:#aeb8ca;padding:14px 16px;border-radius:9px;text-align:left;margin:3px 0}.nav span{font-size:20px}.nav:hover{background:#1b2639;color:#fff}.nav.active{background:#2563eb;color:#fff;box-shadow:0 7px 20px #2563eb33}.sidebar-foot{margin-top:auto;padding:18px 12px 0;border-top:1px solid #2b3546;display:flex;justify-content:space-between;align-items:center;font-size:13px}.text-button{border:0;background:none;color:#9da9ba;padding:0}main{margin-left:220px;padding:0 36px 48px}.topbar{height:118px;display:flex;align-items:center;justify-content:space-between}.topbar h1{margin:0 0 8px;font-size:26px}.topbar p{margin:0;color:#7c879a;font-size:13px}.domain{font-size:12px;color:#8b96a8;background:#e9edf3;border-radius:20px;padding:7px 13px}.toolbar{display:flex;align-items:center;justify-content:space-between;margin:4px 0 24px}.toolbar strong{font-size:18px}.toolbar p{margin:6px 0 0}.primary,.secondary{border:0;border-radius:8px;padding:11px 18px;font-weight:600}.primary{background:#2563eb;color:white;box-shadow:0 3px 8px #2563eb22}.primary:hover{background:#1d4ed8}.secondary{background:#e9edf4;color:#465268}.danger{background:#fff1f2;color:#e11d48;border:0;border-radius:7px;padding:8px 12px}.full{width:100%;margin-top:8px}.stats{display:flex;gap:12px}.stat{background:white;border:1px solid #e8ebf0;border-radius:10px;padding:12px 18px;color:#7c879a;font-size:13px}.stat b{font-size:19px;color:#172033;margin-right:6px}.device-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(325px,1fr));gap:18px}.device-card{background:white;border:1px solid #e6eaf0;border-radius:13px;padding:21px;box-shadow:0 3px 15px #22304a05}.device-head{display:flex;justify-content:space-between;align-items:flex-start}.device-name{display:flex;gap:12px;align-items:center}.screen-icon{width:40px;height:40px;display:grid;place-items:center;background:#eef4ff;color:#2563eb;border-radius:10px;font-size:22px}.device-name h3{margin:0 0 5px;font-size:16px}.device-name small{color:#8b96a8}.status{font-size:12px;border-radius:12px;padding:5px 9px}.status.online{color:#059669;background:#eafaf3}.status.offline{color:#8b96a8;background:#f0f2f5}.device-info{display:flex;gap:25px;margin:22px 0;color:#7c879a;font-size:12px}.device-info b{display:block;color:#465268;font-size:13px;margin-top:4px;font-weight:500}.volume-row{display:grid;grid-template-columns:auto 1fr 42px;gap:12px;align-items:center;background:#f7f9fc;padding:13px;border-radius:9px;font-size:13px}.volume-row input{accent-color:#2563eb;width:100%}.device-actions{display:flex;gap:8px;margin-top:17px}.device-actions button{flex:1;padding:9px 5px}.device-actions .danger{flex:0}.unbound-code{font-family:monospace;font-size:25px;letter-spacing:4px;text-align:center;background:#f5f7fb;border-radius:9px;padding:18px;margin:18px 0}.muted{color:#7c879a;font-size:13px;line-height:1.6}.material-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:17px}.material-card{position:relative;background:white;border:1px solid #e5e9f0;border-radius:12px;overflow:hidden}.thumb{height:145px;background:#e9edf3;display:flex;align-items:center;justify-content:center;overflow:hidden;color:#8b96a8;font-size:32px}.thumb img,.thumb video{width:100%;height:100%;object-fit:cover}.material-meta{padding:13px}.material-meta h3{font-size:14px;margin:0 0 7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.material-meta small{color:#8b96a8}.material-card .danger{position:absolute;right:8px;top:8px;background:#111827b8;color:white;padding:5px 8px}.badge{display:inline-block;font-size:10px;background:#edf2fb;color:#577099;border-radius:4px;padding:2px 5px;margin-right:5px}.upload-button{display:inline-block}.upload-button input{display:none}.progress{align-items:center;gap:15px;margin-bottom:18px;color:#66758d;font-size:12px}.progress:not(.hidden){display:flex}.progress>div{height:6px;flex:1;background:#e1e7f0;border-radius:5px;overflow:hidden}.progress i{display:block;height:100%;width:0;background:#2563eb;transition:width .2s}.program-list{display:grid;gap:14px}.program-card{background:#fff;border:1px solid #e6eaf0;border-radius:12px;padding:20px}.program-head{display:flex;justify-content:space-between;align-items:center}.program-head h3{margin:0 0 5px}.program-head p{margin:0}.program-actions{display:flex;gap:8px}.sequence{display:flex;gap:9px;overflow:auto;padding:16px 0 2px}.sequence-item{min-width:120px;max-width:150px;background:#f6f8fb;border-radius:7px;padding:9px;font-size:12px}.sequence-item span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:4px}.sequence-item small{color:#7c879a}.empty{text-align:center;padding:70px 20px;color:#9aa5b5;grid-column:1/-1}.empty>div{font-size:42px}.empty h3{color:#637087}.login-wrap{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 60% 20%,#243d70,#111827 55%);padding:20px}.login-card{width:390px;background:white;border-radius:18px;padding:38px;box-shadow:0 25px 80px #0005}.brand-mark{background:#2563eb;color:white;width:57px;height:57px;display:grid;place-items:center;border-radius:14px;font-weight:800;letter-spacing:2px}.login-card h1{font-size:24px;margin:24px 0 8px}.login-card>p{color:#8b96a8;font-size:13px;margin:0 0 28px}label{display:block;font-size:13px;color:#536077;margin:15px 0}input,select{display:block;width:100%;margin-top:7px;padding:11px 12px;border:1px solid #dce2eb;border-radius:7px;background:white;color:#172033;outline:none}input:focus,select:focus{border-color:#2563eb;box-shadow:0 0 0 3px #2563eb12}.error{min-height:20px;color:#e11d48;font-size:12px;margin-top:12px}.notice{position:fixed;z-index:20;right:30px;top:24px;padding:13px 20px;background:#172033;color:white;border-radius:9px;box-shadow:0 8px 25px #0003;font-size:13px;max-width:420px}dialog{border:0;border-radius:14px;padding:0;width:min(460px,calc(100% - 30px));color:#172033;box-shadow:0 25px 80px #0f172a55}dialog::backdrop{background:#0f172a88;backdrop-filter:blur(3px)}dialog form{padding:26px}.dialog-head{display:flex;align-items:flex-start;justify-content:space-between}.dialog-head h2{margin:0 0 8px}.close{border:0;background:transparent;color:#8b96a8;font-size:24px;padding:0 4px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.wide-dialog{width:min(1000px,calc(100% - 30px))}.builder{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.builder-title{font-size:13px;font-weight:600;margin-bottom:10px}.builder-title span{color:#8b96a8;font-weight:400}.material-picker,.program-items{height:330px;overflow:auto;border:1px solid #e2e7ef;border-radius:9px;padding:8px}.picker-item{display:flex;align-items:center;gap:9px;padding:8px;border-radius:7px;cursor:pointer}.picker-item:hover{background:#edf4ff}.picker-thumb{width:48px;height:38px;object-fit:cover;background:#e8edf4;border-radius:4px;display:grid;place-items:center;font-size:11px;color:#6d7a8e}.picker-item span{font-size:12px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.picker-item b{color:#2563eb}.program-item{display:grid;grid-template-columns:25px 1fr 90px 25px;align-items:center;gap:7px;padding:9px 5px;border-bottom:1px solid #edf0f4;font-size:12px}.program-item .name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.program-item input{margin:0;padding:6px;font-size:12px}.program-item button{border:0;background:none;color:#e11d48;padding:0}.tip{padding:12px;background:#eff6ff;color:#4770a5;font-size:12px;border-radius:7px;line-height:1.6}.account-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}.panel{background:white;border:1px solid #e5eaf1;border-radius:12px;padding:24px}.panel h2{font-size:18px;margin:0 0 8px}.account-row{padding:14px 0;border-bottom:1px solid #edf0f4;display:flex;justify-content:space-between}.account-row small{color:#8b96a8}@media(max-width:800px){.sidebar{width:72px;padding:20px 9px}.logo small,.nav:not(.active){font-size:0}.logo{padding:0 9px 25px}.logo span{font-size:17px}.nav{justify-content:center;padding:13px}.nav.active{font-size:0}.nav span{font-size:21px}.sidebar-foot{display:none}main{margin-left:72px;padding:0 18px 35px}.domain{display:none}.device-grid{grid-template-columns:1fr}.builder,.account-layout{grid-template-columns:1fr}.material-picker,.program-items{height:230px}.topbar{height:100px}.toolbar{align-items:flex-start;gap:15px}.stat{padding:8px}.stat b{font-size:15px}.login-card{padding:28px}.wide-dialog form{padding:18px}}
.device-details{margin:-8px 0 16px;font-size:12px;color:#637087}.device-details summary{cursor:pointer;color:#4770a5}.device-details dl{display:grid;grid-template-columns:80px 1fr;gap:7px;margin:12px 0 0}.device-details dt{color:#8b96a8}.device-details dd{margin:0;word-break:break-all}

.orientation-row{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:14px;margin:0 0 14px}.orientation-row select{margin:0;padding:9px 10px;background:#f7f9fc}.device-actions{flex-wrap:wrap}.rename-button{white-space:nowrap}
@media(max-width:600px){
  body{background:#f4f6fa}
  .sidebar{inset:auto 0 0 0;width:100%;height:calc(66px + env(safe-area-inset-bottom));padding:6px 8px env(safe-area-inset-bottom);z-index:30;background:#111827f5;backdrop-filter:blur(12px)}
  .sidebar .logo,.sidebar-foot{display:none}
  .sidebar nav{display:grid;grid-template-columns:repeat(4,1fr);gap:3px;height:60px}
  .nav,.nav:not(.active),.nav.active{font-size:11px;flex-direction:column;justify-content:center;gap:2px;padding:6px 2px;margin:0;border-radius:7px;white-space:nowrap;box-shadow:none}
  .nav span{font-size:18px;line-height:20px}
  main{margin-left:0;padding:0 13px calc(86px + env(safe-area-inset-bottom))}
  .topbar{height:88px;align-items:center}.topbar h1{font-size:22px;margin-bottom:5px}.topbar p{font-size:11px;line-height:1.5}
  .toolbar{flex-wrap:wrap;gap:14px;margin-bottom:18px}.toolbar>div{max-width:100%}.toolbar .primary{white-space:nowrap}
  .stats{width:100%;gap:7px}.stat{flex:1;padding:9px 8px;text-align:center;font-size:11px}.stat b{display:block;margin:0 0 2px;font-size:18px}
  .device-grid{grid-template-columns:minmax(0,1fr);gap:13px}.device-card{padding:16px;border-radius:11px}.device-name{gap:9px}.device-name h3{max-width:175px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.screen-icon{width:35px;height:35px}.device-info{gap:12px;justify-content:space-between;margin:18px 0}.device-info b{font-size:12px}.device-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.device-actions button,.device-actions .danger{width:100%;padding:10px 6px;min-height:42px}
  .orientation-row{font-size:12px;gap:10px}.orientation-row select{font-size:14px;min-height:42px}.volume-row{padding:11px 9px;gap:8px}.volume-row input{min-height:30px}
  .material-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.thumb{height:105px}.material-meta{padding:10px}.material-meta h3{font-size:13px}.material-card .danger{min-height:32px}.upload-button{min-height:42px;display:flex;align-items:center}
  .program-card{padding:15px}.program-head{gap:10px}.program-head h3{font-size:15px}.program-actions{flex-shrink:0}.sequence-item{min-width:108px}
  dialog,.wide-dialog{width:calc(100% - 20px);max-height:90dvh;overflow:auto;border-radius:12px}dialog form,.wide-dialog form{padding:20px 16px}.builder{grid-template-columns:1fr;gap:14px}.material-picker,.program-items{height:210px}.picker-item{min-height:54px}.program-item{grid-template-columns:22px minmax(0,1fr) 78px 26px;min-height:48px}.program-item input{min-height:36px}.dialog-actions button{min-height:42px}
  .account-layout{grid-template-columns:1fr}.panel{padding:18px}.panel input{min-height:43px}.panel .primary{min-height:43px;width:100%}
  .notice{left:14px;right:14px;top:12px;max-width:none;font-size:12px}.login-wrap{padding:14px}.login-card{width:100%;padding:28px 24px}.login-card input{min-height:44px}.login-card .primary{min-height:45px}
}

.send-device-title{display:flex;justify-content:space-between;align-items:center;margin-top:18px}.send-device-title .text-button{color:#2563eb}.send-devices{max-height:260px;overflow:auto;border:1px solid #e2e7ef;border-radius:9px;padding:6px}.send-device{display:flex;align-items:center;gap:10px;margin:0;padding:10px;border-radius:7px;cursor:pointer}.send-device:hover{background:#f2f6fd}.send-device input{width:18px;height:18px;min-height:0;margin:0;flex:0 0 auto;accent-color:#2563eb}.send-device span{min-width:0}.send-device b{display:block;font-size:13px;color:#27344a}.send-device small{display:block;margin-top:3px;color:#8b96a8}.playback-panel{margin:16px 0 4px;padding:12px;background:#f6f8fb;border:1px solid #e8edf4;border-radius:9px}.playback-panel.is-downloading{background:#eff6ff;border-color:#cfe0fb}.playback-head{display:flex;align-items:center;gap:9px}.playback-badge{flex-shrink:0;padding:4px 8px;border-radius:6px;background:#e6eef9;color:#356495;font-size:11px;font-weight:600}.is-downloading .playback-badge{background:#2563eb;color:#fff}.playback-current{font-size:11px;color:#637087;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.download-track{height:6px;margin:11px 0 5px;background:#dce6f5;border-radius:6px;overflow:hidden}.download-track i{display:block;height:100%;background:#2563eb;transition:width .5s}.playback-panel>small{color:#738199;font-size:10px}.current-program{margin-top:9px;font-size:11px;color:#637087}.current-program summary{cursor:pointer;color:#4770a5}.current-program ol{margin:8px 0 0;padding-left:20px;max-height:150px;overflow:auto}.current-program li{padding:4px 0}.current-program li span{display:block;color:#465268;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.current-program li small{color:#8b96a8}
@media(max-width:600px){.send-devices{max-height:230px}.send-device{min-height:54px}.program-head{flex-wrap:wrap}.program-actions{width:100%;margin-top:12px}.program-actions button{flex:1;min-height:40px}.device-actions{grid-template-columns:1fr 1fr 1fr}.device-actions button{font-size:12px}.playback-panel{margin-top:14px}}

/* ===== v1.4.0：分组、折叠设备、待绑定列表、节目多选下发 ===== */
.toolbar-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.small{padding:8px 13px;font-size:12px;border-radius:7px}
.link-button{color:#2563eb;font-size:12px;font-weight:600}
.count-pill{display:inline-block;vertical-align:2px;background:#e8effc;color:#356495;font-size:11px;font-weight:700;border-radius:20px;padding:2px 9px;margin-left:5px}

.group-bar{background:#fff;border:1px solid #e6eaf0;border-radius:12px;padding:15px 18px;margin-bottom:22px}
.group-bar-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.group-bar-head strong{font-size:14px}
.group-filters{display:flex;gap:8px;flex-wrap:wrap}
.group-chip{border:1px solid #e2e8f2;background:#f7f9fc;color:#5b6a80;border-radius:20px;padding:7px 13px;font-size:12px;display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.group-chip:hover{border-color:#a9c4f5;color:#2563eb}
.group-chip.active{background:#2563eb;border-color:#2563eb;color:#fff;box-shadow:0 3px 10px #2563eb25}
.group-chip b{font-size:11px;font-weight:700;background:#ffffffaa;color:inherit;border-radius:10px;padding:1px 6px}
.group-chip.active b{background:#ffffff30}
.group-chip.tiny{padding:5px 10px;font-size:11px;border-radius:6px}

.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;margin:0 0 13px}
.section-head h2{font-size:17px;margin:0 0 5px}
.section-head p{margin:0;font-size:12px}
.section-actions{display:flex;gap:8px;flex-shrink:0}

.device-list{display:grid;grid-template-columns:minmax(0,1fr);gap:11px}
.device-card{padding:0;border-radius:11px;overflow:hidden;transition:box-shadow .18s,border-color .18s}
.device-card.is-open{border-color:#c9d9f5;box-shadow:0 6px 22px #2563eb12}
.device-summary{display:flex;align-items:center;gap:13px;width:100%;border:0;background:transparent;text-align:left;padding:14px 18px;color:inherit}
.device-summary:hover{background:#f8faff}
.device-summary .screen-icon{flex:0 0 auto;width:38px;height:38px;font-size:20px}
.summary-main{min-width:0;flex:1}
.summary-main b{display:block;font-size:15px;font-weight:600;color:#172033;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.summary-main small{display:block;margin-top:4px;font-size:12px;color:#8b96a8;letter-spacing:.3px}
.summary-tags{display:flex;align-items:center;gap:10px;flex-shrink:0}
.group-tag{font-style:normal;font-size:11px;background:#eef4ff;color:#4770a5;border-radius:5px;padding:4px 9px;white-space:nowrap}
.status-dot{width:9px;height:9px;border-radius:50%;background:#cbd5e1;display:block}
.status-dot.is-online{background:#10b981;box-shadow:0 0 0 3px #10b98122}
.caret{font-size:20px;color:#9aa8bb;line-height:1;transition:transform .18s}
.device-card.is-open .caret{transform:rotate(90deg);color:#2563eb}
.device-body{padding:0 18px 18px;border-top:1px solid #eef1f6}
.device-body .device-info{margin:16px 0}
.device-body .playback-panel{margin-top:16px}
.device-footnote{margin-top:8px;font-size:11px}

.pending-panel{background:#fff;border:1px solid #e6eaf0;border-radius:12px;padding:18px;margin-top:26px}
.pending-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:14px}
.pending-head h2{font-size:17px;margin:0 0 5px}
.pending-head p{margin:0;font-size:12px}
.danger-outline{color:#be123c;background:#fff1f2}
.pending-list{display:grid;gap:9px}
.pending-item{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#f7f9fc;border:1px solid #edf1f7;border-radius:9px;padding:12px 15px}
.pending-item small{display:block;margin-top:4px;color:#8b96a8;font-size:11px}
.pending-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:17px;letter-spacing:2px;color:#27344a}
.pending-foot{margin:14px 0 0;font-size:11px}
.pending-list .empty{padding:30px 12px}

.group-manage-list{display:grid;gap:9px;margin:20px 0}
.group-manage-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto auto;gap:8px;align-items:center}
.group-manage-row input{margin:0;min-width:0}
.group-count{font-size:11px;color:#8b96a8;white-space:nowrap}
.group-create-row{display:flex;gap:9px;align-items:center}
.group-create-row input{margin:0;flex:1;min-width:0}
.group-create-row .primary{white-space:nowrap;margin:0}

.program-toolbar-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.select-all-line{display:flex;align-items:center;gap:7px;margin:0;font-size:12px;color:#5b6a80;white-space:nowrap;cursor:pointer}
.select-all-line input{width:16px;height:16px;margin:0;padding:0;accent-color:#2563eb;flex:0 0 auto}
.program-check{display:flex;align-items:center;margin:0;cursor:pointer;padding-right:4px}
.program-check input{width:18px;height:18px;min-height:0;margin:0;padding:0;accent-color:#2563eb;flex:0 0 auto;cursor:pointer}
.program-title-wrap{display:flex;align-items:center;gap:12px;min-width:0}
.program-card.is-selected{border-color:#9dbcf5;box-shadow:0 0 0 2px #2563eb14}
.program-card.is-selected .program-head h3{color:#1d4ed8}

.send-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:6px;align-items:start}
.send-column{min-width:0}
.send-column .send-device-title{margin-top:12px}
.send-devices.tall{height:230px;max-height:230px;min-height:0}
.group-quick{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:9px;min-height:29px;align-items:center}
.send-column-hint{font-size:11px;color:#8b96a8;line-height:1.4}
#send-form>label{margin-top:18px}
#send-form .tip{margin:14px 0 4px}

@media(max-width:800px){
  .send-columns{grid-template-columns:1fr}
  .send-devices.tall{height:190px;max-height:190px}
}
@media(max-width:600px){
  .sidebar nav{grid-template-columns:repeat(5,1fr);gap:2px}
  .nav,.nav:not(.active),.nav.active{font-size:10px}
  #send-form .primary.full{position:sticky;bottom:0;z-index:2;box-shadow:0 -6px 18px #ffffffcc}
  .toolbar-actions{width:100%}
  .toolbar-actions .primary{flex:1}
  .group-bar{padding:13px}
  .group-filters{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
  .section-head{flex-direction:column;align-items:stretch}
  .section-actions{display:grid;grid-template-columns:1fr 1fr}
  .device-summary{padding:13px 14px;gap:10px}
  .device-summary .screen-icon{width:34px;height:34px;font-size:18px}
  .summary-main b{font-size:14px}
  .summary-tags .group-tag{display:none}
  .device-body{padding:0 14px 14px}
  .pending-panel{padding:14px;margin-top:20px}
  .pending-head{flex-direction:column}
  .pending-item{flex-wrap:wrap}
  .pending-item .primary{width:100%}
  .program-toolbar-actions{width:100%}
  .program-toolbar-actions .primary{flex:1;white-space:nowrap}
  .group-manage-row{grid-template-columns:minmax(0,1fr) auto auto}
  .group-count{display:none}
  .group-create-row{flex-wrap:wrap}
  .group-create-row .primary{width:100%}
}

/* ===== v1.5.0：设备自适应矩阵、文件库两步推送、记录分页、移动端锁缩放 ===== */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{touch-action:manipulation}

.device-list{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));align-items:start}
.device-card{height:auto}
.device-body .device-info{flex-wrap:wrap;gap:10px 18px;margin:14px 0}
.device-body .orientation-row{gap:8px}
.device-body .orientation-row select{min-width:0;font-size:12px}
.device-body .device-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
.device-body .device-actions button,.device-body .device-actions .danger{width:100%;min-width:0;padding:9px 3px;font-size:12px;white-space:nowrap}

.push-file-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.push-file-card{background:#fff;border:1px solid #e6eaf0;border-radius:11px;padding:14px 16px;display:flex;align-items:center;gap:12px}
.push-file-icon{width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;background:#eef4ff;color:#2563eb;border-radius:9px;font-size:20px}
.push-file-meta{min-width:0;flex:1}
.push-file-meta h3{margin:0 0 5px;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.push-file-meta small{color:#8b96a8;font-size:11px}
.push-file-actions{display:flex;gap:6px;flex-shrink:0}
.push-file-actions .small{padding:7px 12px}
.file-upload-button{cursor:pointer;white-space:nowrap}
.transfer-file-hint{margin:-8px 0 4px;font-size:11px}
.record-head{margin-top:28px}
.transfer-card{padding:16px 18px}
.badge-failed{background:#fff1f2;color:#be123c}
.pagination{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:16px;min-height:34px}
.page-info{font-size:12px;color:#7c879a}
.pagination button:disabled{opacity:.45;cursor:default}

@media(max-width:800px){
  .device-list{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
  .push-file-list{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
}
@media(max-width:600px){
  .device-list{grid-template-columns:minmax(0,1fr)}
  .push-file-list{grid-template-columns:minmax(0,1fr)}
  .push-file-card{padding:12px}
  .file-upload-button{flex:1;justify-content:center}
  .record-head{flex-direction:column;align-items:stretch}
  .pagination{gap:8px}
  .page-info{font-size:11px}
  .transfer-card{padding:14px}
}

/* ===== v1.5.1：节目下发 / 文件推送「只看在线」过滤 ===== */
.title-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.online-filter{padding:5px 11px;border:1px solid #cfd9e8;border-radius:999px;font-size:12px;line-height:1.2;color:#465268}
.online-filter:hover{border-color:#2563eb}
.online-filter[aria-pressed="true"]{background:#2563eb;border-color:#2563eb;color:#fff;font-weight:600}
.device-filter-hint{margin:-3px 0 9px;min-height:16px}
.send-device[hidden]{display:none!important}
@media(max-width:600px){
  .send-device-title{flex-wrap:wrap;gap:6px}
  .title-actions{gap:10px}
  .online-filter{padding:6px 10px;min-height:32px}
}

/* ===== v1.5.2：一台设备可打多个标签 ===== */
.tag-bar-hint{margin:9px 0 0;font-size:11px}
.summary-tags{max-width:58%;overflow:hidden}
.tag-badge{font-style:normal;font-size:11px;background:#eef4ff;color:#4770a5;border-radius:5px;padding:4px 8px;white-space:nowrap;max-width:84px;overflow:hidden;text-overflow:ellipsis;flex:0 1 auto}
.tag-badge-more{background:#e9edf4;color:#6b7a90;flex:0 0 auto}
.tag-editor{margin:0 0 14px}
.tag-editor-label{display:block;font-size:12px;color:#5b6a80;margin-bottom:8px}
.tag-editor-chips{display:flex;flex-wrap:wrap;gap:7px;align-items:center}
.tag-chip{border:1px solid #dce5f2;background:#f7f9fc;color:#5b6a80;border-radius:20px;padding:6px 12px;font-size:12px;min-height:32px;white-space:nowrap}
.tag-chip:hover{border-color:#a9c4f5;color:#2563eb}
.tag-chip.active{background:#2563eb;border-color:#2563eb;color:#fff;font-weight:600}
.tag-chip:disabled{opacity:.6;cursor:default}
.tag-picker-label{font-size:12px;color:#5b6a80;margin:4px 0 8px}
.tag-picker{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px;max-height:150px;overflow:auto}
.tag-check{display:inline-flex;align-items:center;gap:7px;border:1px solid #e2e8f2;background:#f7f9fc;border-radius:20px;padding:7px 12px;font-size:12px;cursor:pointer}
.tag-check input{width:15px;height:15px;min-height:0;margin:0;accent-color:#2563eb}
.tag-check:has(input:checked){background:#eaf1ff;border-color:#a9c4f5;color:#1d4ed8}
.tag-picker-empty{font-size:12px;margin:0 0 18px}
@media(max-width:600px){
  .summary-tags{max-width:52%}
  .tag-badge{max-width:64px;padding:4px 6px}
  .tag-chip{min-height:36px;padding:8px 12px}
}

/* ===== v1.5.2：节目卡片重构 + 随屏宽多列瀑布流 ===== */
.program-masonry{grid-template-columns:repeat(auto-fill,minmax(360px,1fr));grid-auto-rows:8px;row-gap:0;column-gap:16px;gap:0 16px;align-items:start}
.program-masonry .program-card{padding:20px 22px;border-radius:14px;margin-bottom:16px;container-type:inline-size}
.program-masonry .program-head{align-items:center;gap:12px}
.program-masonry .program-title-text{min-width:0}
.program-masonry .program-head h3{font-size:19px;font-weight:700;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0}
.program-masonry .program-head p{font-size:12px}
.program-masonry .program-check{padding-top:3px}
.program-masonry .program-actions{flex:0 0 auto;gap:8px}
.program-masonry .program-actions button{white-space:nowrap;padding:9px 14px;font-size:13px}
.program-masonry .sequence{display:grid;gap:9px;overflow:visible;padding:16px 0 0}
.program-masonry .sequence-item{display:flex;align-items:center;justify-content:space-between;gap:14px;min-width:0;max-width:none;background:#f5f7fb;border-radius:10px;padding:12px 15px;font-size:13px}
.program-masonry .sequence-item b{font-weight:600;color:#37415a;white-space:nowrap;flex:0 0 auto}
.program-masonry .sequence-item b i{font-style:normal;color:#c3ccdb;margin:0 5px;font-weight:400}
.program-masonry .sequence-item span{display:block;margin:0;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:right;color:#5b6a80}
/* 统计行已移除，窄列也保持按钮与标题同一行居中对齐，只缩小字号避免拥挤 */
@container (max-width:430px){
  .program-masonry .program-head h3{font-size:17px}
  .program-masonry .program-actions{gap:6px}
  .program-masonry .program-actions button{padding:8px 11px;font-size:12px}
}
@media(max-width:1200px){
  .program-masonry{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
}
@media(max-width:800px){
  .program-masonry{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
}
@media(max-width:600px){
  .program-masonry{display:block}
  .program-masonry .program-card{margin-bottom:14px;padding:16px}
  .program-masonry .program-head{flex-wrap:wrap}
  .program-masonry .program-actions{width:100%;margin-top:10px}
  .program-masonry .program-actions button{flex:1;min-height:40px}
  .program-masonry .program-head h3{font-size:17px}
  .program-masonry .sequence-item{padding:11px 12px;font-size:12px}
}

/* ===== v1.6.0：下发弹窗只读节目 / 在线预览 / 节目内素材手风琴 =====
   v1.7.0 起统一音量改为独立按钮 + dialog，原常驻面板样式已移除。 */
.send-selected{background:#f7f9fd;border:1px solid #e6ecf7;border-radius:10px;padding:12px 14px;margin:4px 0 16px}
.send-selected .builder-title{margin-bottom:9px}
.send-selected-list{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.send-selected-chip{display:inline-flex;align-items:center;gap:7px;max-width:100%;background:#fff;border:1px solid #dbe4f5;border-radius:20px;padding:6px 12px;font-size:13px}
.send-selected-chip b{display:grid;place-items:center;width:19px;height:19px;border-radius:50%;background:#2563eb;color:#fff;font-size:11px;flex:0 0 auto}
.send-selected-chip small{color:#8b96a8;font-size:11px}
#send-devices.tall{height:240px;max-height:240px}

.material-card .thumb{width:100%;border:0;padding:0;display:block;position:relative;cursor:zoom-in}
.material-card .thumb img{transition:transform .2s}
.material-card .thumb:hover img{transform:scale(1.04)}
.material-card .danger{z-index:2}
.thumb-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;background:#111827b8;color:#fff;display:grid;place-items:center;font-size:17px;padding-left:3px}

.program-masonry .sequence-item{border:0;width:100%;font:inherit;text-align:left;cursor:default}
.program-masonry .sequence-item.is-clickable{cursor:pointer}
.program-masonry .sequence-item.is-clickable:hover{background:#eaf1ff}
.program-masonry .sequence-item.is-open{background:#e6efff;box-shadow:inset 0 0 0 1px #b9d0fb}
.program-masonry .sequence-item span{flex:1}
.seq-caret{flex:0 0 auto;font-style:normal;color:#94a3b8;font-size:15px;transition:transform .2s}
.sequence-item.is-open .seq-caret{transform:rotate(180deg)}
.material-inline{grid-column:1/-1;background:#fff;border:1px solid #e6ecf7;border-radius:12px;padding:12px;margin:2px 0 4px}
.material-inline-image{display:block;width:100%;border:0;padding:0;background:#f5f7fb;border-radius:10px;overflow:hidden;cursor:zoom-in}
.material-inline-image img{display:block;width:100%;max-height:420px;object-fit:contain;background:#eef2f8}
.material-inline-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:10px}

.preview-overlay{position:fixed;inset:0;z-index:3000;background:#0f172ad9;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:24px}
body.preview-open{overflow:hidden}
.preview-panel{width:min(1080px,100%);max-height:calc(100vh - 48px);display:flex;flex-direction:column;background:#fff;border-radius:16px;box-shadow:0 30px 90px #0006;overflow:hidden}
.preview-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;border-bottom:1px solid #e9edf3}
.preview-title{display:flex;flex-direction:column;gap:3px;min-width:0}
.preview-title strong{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.preview-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.preview-actions .close{font-size:26px;line-height:1}
.preview-body{position:relative;flex:1;min-height:240px;display:flex;align-items:center;justify-content:center;background:#f5f7fb;overflow:auto;padding:16px}
.preview-image{display:block;max-width:100%;max-height:calc(100vh - 230px);object-fit:contain;border-radius:8px;cursor:zoom-in}
.preview-video{max-width:100%;max-height:calc(100vh - 230px);border-radius:8px;background:#000}
.preview-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:68px;height:68px;border-radius:50%;border:0;background:#111827cc;color:#fff;font-size:26px;cursor:pointer;padding-left:6px}
.preview-hint{margin:0;padding:10px 20px;border-top:1px solid #e9edf3;font-size:12px}

@media(max-width:600px){
  .preview-overlay{padding:10px}
  .preview-panel{max-height:calc(100vh - 20px)}
  .preview-head{flex-wrap:wrap;padding:12px 14px}
  .preview-actions{width:100%;justify-content:flex-end}
  .preview-image,.preview-video{max-height:calc(100vh - 280px)}
  .material-inline-bar{justify-content:flex-start}
}

/* ===== v1.7.0：独立音量弹窗 / 细粒度权限 / 移动端节目默认折叠 ===== */
#bulk-volume-dialog{width:min(500px,calc(100% - 26px))}
.bulk-volume-scope-row{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#f7f9fd;border:1px solid #e6ecf7;border-radius:9px;padding:11px 13px;margin:16px 0}
.bulk-volume-scope-row .badge{margin:0;font-size:12px;padding:5px 10px;background:#e6efff;color:#356495}
#bulk-volume-dialog label{margin:0 0 4px}
#bulk-volume-dialog select{margin-top:0}
#bulk-volume-range{width:100%;accent-color:#2563eb;border:0;box-shadow:none;padding:6px 0;margin:4px 0 0;height:auto}
.bulk-volume-value{display:block;text-align:center;font-size:30px;font-weight:800;color:#2563eb;line-height:1.2;margin:6px 0 10px}
#bulk-volume-hint{margin:0 0 16px;font-size:12px;line-height:1.6}

.perm-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:16px 0 10px;padding-top:14px;border-top:1px solid #edf1f7}
.perm-toolbar strong{font-size:13px}
.perm-presets{display:flex;flex-wrap:wrap;gap:6px}
.perm-preset{border:1px solid #dce5f2;background:#f7f9fc;color:#5b6a80;border-radius:20px;padding:6px 12px;font-size:12px;white-space:nowrap;min-height:30px}
.perm-preset:hover{border-color:#2563eb;color:#2563eb;background:#eef4ff}
.perm-groups{display:grid;gap:12px;margin:0 0 18px}
#edit-permissions{max-height:46vh;overflow:auto;padding-right:4px}
.perm-group{background:#f8fafd;border:1px solid #e8edf5;border-radius:10px;padding:11px 13px}
.perm-group-head{display:flex;align-items:center;gap:9px;margin-bottom:9px}
.perm-group-head strong{font-size:13px}
.perm-group-head .muted{font-size:11px}
.perm-group-check{display:inline-flex;align-items:center;margin:0;padding:0}
.perm-group-check input,.perm-item input{width:15px;height:15px;min-height:0;margin:0;accent-color:#2563eb;flex:0 0 auto}
.perm-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:7px}
.perm-item{display:flex;align-items:center;gap:7px;margin:0;padding:7px 9px;background:#fff;border:1px solid #e4eaf3;border-radius:7px;font-size:12px;color:#465268;cursor:pointer;min-height:34px}
.perm-item:hover{border-color:#a9c4f5}
.perm-item:has(input:checked){background:#eaf1ff;border-color:#a9c4f5;color:#1d4ed8;font-weight:600}
.perm-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.account-panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.account-card{background:#fff;border:1px solid #e6eaf0;border-radius:11px;padding:14px 16px;margin-bottom:11px}
.account-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.account-card-name{display:flex;flex-direction:column;gap:4px;min-width:0}
.account-card-name strong{font-size:15px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.account-card-name .muted{font-size:11px}
.self-tag{font-style:normal;font-size:10px;font-weight:600;background:#e8f5ee;color:#15803d;border-radius:4px;padding:2px 6px}
.badge-super{background:#fff4e5;color:#b45309}
.account-perm-summary{margin:10px 0 0;font-size:12px;color:#637087;line-height:1.6}
.account-card-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.account-card-actions .danger,.account-card-actions .secondary{padding:7px 12px;font-size:12px}

/* PC 端永远完整展开，切换按钮隐藏；仅手机端默认折叠 */
.program-toggle{display:none!important}
.program-toggle-caret{font-style:normal;display:inline-block;transition:transform .2s}
.program-card.is-program-open .program-toggle-caret{transform:rotate(180deg)}
@media(max-width:600px){
  .program-masonry .program-toggle{display:inline-flex!important;align-items:center;gap:5px;flex:0 0 auto;padding:8px 10px;font-size:12px;min-height:40px}
  .program-masonry .program-card:not(.is-program-open) .sequence{display:none}
  .program-masonry .program-card:not(.is-program-open) .material-inline{display:none}
  .program-masonry .program-actions{gap:6px}
  .program-masonry .program-actions .primary,.program-masonry .program-actions .danger{flex:1}
  .sidebar nav{grid-template-columns:repeat(auto-fit,minmax(0,1fr))}
  .perm-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
  #edit-permissions{max-height:none;overflow:visible;padding-right:0}
  .account-card-actions .secondary,.account-card-actions .danger{flex:1;min-height:38px}
}