@charset "UTF-8";
:root{font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#213247;background:#f3f5f8;font-synthesis:none;--navy:#15283e;--green:#16835c;--muted:#68768a;--line:#e4e9ef}
*{box-sizing:border-box}
body{margin:0}
button,input{font:inherit}
button,a,input{-webkit-tap-highlight-color:transparent}
button{cursor:pointer;border:1px solid var(--line);border-radius:8px;background:#fff;color:#30445b;padding:9px 13px;font-size:13px;font-weight:600;transition:background .15s,border-color .15s}
button:hover:not(:disabled){background:#edf3f8;border-color:#c2cfdb}
button:disabled{opacity:.45;cursor:not-allowed}
a{color:inherit}
button:focus-visible,input:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid #409dc3;outline-offset:4px}
[hidden]{display:none!important}
h1,h2,h3,p{margin:0}
h1{font-size:29px;letter-spacing:-1px;font-weight:650}
h2{font-size:16px;font-weight:650}
h3{font-size:14px}
small{display:block}
.muted{color:var(--muted);font-size:13px;line-height:1.7}
.eyebrow{font-size:10px;letter-spacing:2px;font-weight:700;color:#748297;margin-bottom:9px}
.primary{background:var(--navy);color:#fff;border-color:var(--navy)}
.primary:hover:not(:disabled){background:#264662;border-color:#264662}
.icon-button{font-size:21px;padding:4px 10px;line-height:1.3}
.text-button{border:0;background:transparent;color:#346a8b;padding:4px}
.sr-only,.skip-link:not(:focus){position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link:focus{position:fixed;top:10px;left:10px;z-index:10;background:#fff;padding:12px}
.brand-mark{display:grid;place-items:center;background:#e9f2f3;color:#244c59;width:38px;height:38px;border-radius:11px;font-size:22px;font-weight:800}
.login-view{min-height:100svh;display:grid;place-items:center;padding:28px;background:radial-gradient(ellipse at 70% 0,#e1ebf1,transparent 60%),#f3f5f8}
.login-card{background:#fff;border:1px solid #e3e9f0;border-radius:20px;max-width:450px;width:100%;padding:42px;box-shadow:0 20px 80px #2034490b}
.login-card .brand-mark{margin-bottom:30px}
.login-card h1{font-size:27px;margin-bottom:14px}
.login-card form{margin-top:28px;display:grid;gap:12px}
.login-card label{font-size:13px;font-weight:600}
.login-card input{width:100%;border:1px solid #ccd5df;border-radius:8px;padding:13px}
.login-card .primary{padding:13px;display:flex;justify-content:space-between;margin-top:6px}
.error{color:#ad3434;font-size:13px;min-height:22px;margin-top:12px;overflow-wrap:anywhere}
.login-note{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;line-height:1.8}
.workspace{display:grid;grid-template-columns:246px minmax(0,1fr);min-height:100svh}
.sidebar{background:var(--navy);color:#e7edf4;padding:30px 20px 20px;display:flex;flex-direction:column;gap:0}
.brand{display:flex;gap:11px;align-items:center;text-decoration:none;font-weight:750;letter-spacing:2px;font-size:18px;margin-bottom:43px}
.brand small{font-size:8px;letter-spacing:1.7px;color:#a7b6c6;margin-top:5px}
.sidebar-label{font-size:10px;color:#a1b2c6;letter-spacing:2px;padding:0 12px;margin-bottom:13px}
.nav-current{background:#284059;border:1px solid #3b5268;border-radius:9px;padding:13px;font-size:13px;display:flex;gap:12px}
.device-heading{display:flex;align-items:center;justify-content:space-between;margin:34px 4px 6px}
.device-heading h2{font-size:12px}
.sidebar .icon-button{background:transparent;border-color:transparent;color:#b8c9d9}
.sidebar .icon-button:hover{background:#284059}
.sidebar-muted{font-size:11px;color:#a5b6c7;padding:0 4px 12px}
.devices,.files{list-style:none;padding:0;margin:0}
.devices{display:grid;gap:8px}
.device-button{width:100%;display:flex;gap:10px;text-align:left;align-items:center;background:transparent;color:#dce5ef;border:1px solid transparent;padding:13px 10px}
.device-button:hover:not(:disabled),.device-button[aria-current=true]{background:#213d54;border-color:#476276}
.device-button:disabled{opacity:.65}
.device-button .device-text{min-width:0;flex:1}
.device-name{display:block;font-size:13px;overflow-wrap:anywhere}
.device-meta{display:block;font-size:11px;color:#b0c0d0;margin-top:5px;font-weight:400}
.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#94a0af;flex:none}
.status-dot.online{background:#27ae7c;box-shadow:0 0 0 4px #27ae7c17}
.status-dot.waiting{background:#c58b32}
.sidebar-error{color:#ffceba;overflow-wrap:anywhere;font-size:12px;line-height:1.7;margin-top:12px}
.sidebar-bottom{margin-top:auto;padding:50px 4px 20px;display:flex;gap:10px;color:#c1cddb;font-size:11px;line-height:1.8}
.sidebar-bottom small{color:#9cafc1;font-size:10px}
.privacy-icon{font-size:25px}
.logout{background:#20354c;border-color:#354b61;color:#e1e9f1;width:100%}
.logout:hover:not(:disabled){background:#304d68}
main{padding:40px 36px 22px;min-width:0;max-width:1900px;width:100%;margin:auto}
.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;gap:20px}
.page-header .muted{margin-top:8px}
.header-tag{border:1px solid #dce3eb;border-radius:30px;padding:8px 12px;color:#768396;font-size:9px;letter-spacing:1px;white-space:nowrap}
.work-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 4px 24px #21324704}
.panel-header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:21px 22px;border-bottom:1px solid var(--line)}
.session-heading{display:flex;gap:12px;align-items:center;min-width:0}
.session-heading h2{overflow-wrap:anywhere}
.session-heading .muted{font-size:11px;margin-top:5px}
.subtle{font-size:11px;white-space:nowrap;background:#f9fafb}
.screen-stage{position:relative;min-height:360px;background:#e9edf2;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:20px;background-image:radial-gradient(#b6c1cc65 .8px,transparent .8px);background-size:18px 18px}
.screen-placeholder{text-align:center;color:#62748a;max-width:400px;padding:50px 20px}
.monitor-icon{font-size:60px;color:#8ca1b7;margin-bottom:20px}
.screen-placeholder h3{font-size:17px;font-weight:500;margin-bottom:12px;color:#3d536a}
.screen-placeholder p{font-size:12px;line-height:1.8}
.placeholder-tag{display:inline-block;margin-top:28px;font-size:10px;border:1px solid #ccd6e1;padding:6px 10px;border-radius:20px;background:#ffffff70}
canvas{display:block;width:100%;height:auto;background:#111c29;touch-action:none;border-radius:3px;box-shadow:0 8px 30px #18304620}
canvas.control-active{cursor:crosshair}
.demo-watermark{position:absolute;top:30px;left:30px;background:#fff1cf;color:#775015;border:1px solid #e6c67f;padding:7px 10px;border-radius:5px;font-size:11px;font-weight:700;pointer-events:none}
.control-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:18px 22px;flex-wrap:wrap}
.switch-label{display:flex;align-items:center;gap:9px;font-size:12px;cursor:pointer}
.switch-label input{width:32px;height:18px;accent-color:var(--green);cursor:pointer}
.shortcut-buttons{display:flex;gap:5px}
.shortcut-buttons button{font-size:10px;padding:6px 8px;background:#f8fafc}
.screen-footer{border-top:1px solid #edf0f4;padding:13px 22px;display:flex;gap:12px;justify-content:space-between;color:#768497;font-size:10px;flex-wrap:wrap}
.file-panel .panel-header{padding:21px 20px}
.file-panel .eyebrow{font-size:8px;margin-bottom:6px}
.file-intro{display:flex;gap:12px;margin:20px;background:#f6f8fa;border-radius:8px;padding:13px;align-items:center;min-width:0}
.folder-icon{color:#699081;font-size:28px}
.file-intro strong{font-size:12px;overflow-wrap:anywhere}
.file-intro p{font-size:10px;color:#7b8897;margin-top:6px}
.upload-area{border:1px dashed #bdcdd4;border-radius:10px;text-align:center;margin:0 20px 20px;padding:22px 10px;background:#fbfcfd}
.upload-area>p:first-child{font-size:12px;font-weight:600}
.upload-area .muted{font-size:10px;margin:7px 0 14px}
.upload-area .primary{font-size:11px}
#upload{display:none}
.file-list-heading{display:flex;justify-content:space-between;margin:24px 20px 12px}
.file-list-heading h3{font-size:12px}
.file-list-heading span{font-size:11px;color:#7e8c9c}
.file-message{padding:10px 20px 20px;font-size:12px;color:#728295;line-height:1.7}
.files{max-height:360px;overflow:auto}
.file-row{padding:13px 20px;border-top:1px solid #edf0f4;display:flex;gap:10px;align-items:center}
.file-info{min-width:0;flex:1}
.file-name{font-size:12px;overflow-wrap:anywhere;line-height:1.5}
.file-meta{font-size:10px;color:#7b8999;margin-top:5px;line-height:1.6}
.file-row button{padding:7px 9px;font-size:11px}
.file-note{border-top:1px solid var(--line);font-size:10px;color:#738296;line-height:1.9;padding:18px 20px;background:#fcfdfe}
.transfer{margin:0 20px 20px;padding:12px;background:#eff7f3;border-radius:8px}
.transfer-heading{display:flex;align-items:center;gap:8px;justify-content:space-between;font-size:11px}
.transfer-heading strong{overflow-wrap:anywhere}
.transfer-detail,.transfer .muted{font-size:10px;margin-top:5px}
progress{width:100%;height:6px;accent-color:var(--green);display:block;margin-top:10px}
.file-error{font-size:12px;line-height:1.7;color:#b43737;padding:0 20px;overflow-wrap:anywhere}
.file-error:not(:empty){padding-bottom:16px}
.notice{border:1px solid #d1e0e9;background:#edf5fa;padding:12px 16px;font-size:12px;line-height:1.7;border-radius:9px;margin-bottom:18px;overflow-wrap:anywhere}
.page-footer{display:flex;justify-content:space-between;color:#7a889a;font-size:10px;margin-top:26px;gap:12px}
@media(min-width:1500px){.screen-stage{min-height:470px}
.work-grid{grid-template-columns:minmax(0,1fr) 330px}
main{padding:48px}
}
@media(max-width:1200px){.workspace{grid-template-columns:215px minmax(0,1fr)}
main{padding:28px 22px}
.work-grid{grid-template-columns:minmax(0,1fr)}
.file-panel{display:block}
.files{max-height:260px}
.screen-stage{min-height:340px}
.upload-area{padding:16px}
.sidebar{padding:25px 15px}
}
@media(max-width:650px){.workspace{display:block}
.sidebar{padding:18px}
.brand{margin-bottom:18px}
.sidebar-label,.nav-current,.sidebar-bottom{display:none}
.device-heading{margin-top:8px}
.devices{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
.logout{width:auto;align-self:flex-end;margin-top:12px}
.sidebar-muted{padding-bottom:8px}
main{padding:24px 14px}
.page-header{margin-bottom:20px}
.header-tag{display:none}
h1{font-size:25px}
.panel-header{padding:17px 15px}
.screen-stage{min-height:240px;padding:10px}
.screen-placeholder{padding:30px 10px}
.control-bar{padding:15px}
.screen-footer{padding:12px 15px}
.demo-watermark{top:18px;left:18px;font-size:10px}
.login-card{padding:28px}
.page-footer{font-size:9px}
.monitor-icon{font-size:42px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}
}