:root{
  --bg:#050b16;--bg2:#08182c;--panel:rgba(11,30,52,.82);--panel2:rgba(15,42,70,.72);
  --line:rgba(75,198,255,.22);--cyan:#40d9ff;--blue:#3488ff;--violet:#9b6cff;--green:#4ff2a1;
  --danger:#ff6688;--warning:#ffd166;--text:#ecf8ff;--muted:#93adc0;--shadow:0 20px 70px rgba(0,0,0,.38);
  --radius:20px;
}
*{box-sizing:border-box}html{color-scheme:dark}body{margin:0;font-family:"Noto Sans TC","Segoe UI",sans-serif;color:var(--text);background:
radial-gradient(circle at 15% 20%,rgba(52,136,255,.19),transparent 34%),
radial-gradient(circle at 85% 10%,rgba(155,108,255,.16),transparent 30%),
linear-gradient(145deg,var(--bg),var(--bg2));min-height:100vh}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:linear-gradient(rgba(64,217,255,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(64,217,255,.13) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(to bottom,black,transparent 85%)}
a{color:var(--cyan);text-decoration:none}button,input,select,textarea{font:inherit}.muted{color:var(--muted)}.hidden{display:none!important}.right{text-align:right}.nowrap{white-space:nowrap}
.glass{background:linear-gradient(145deg,var(--panel),rgba(6,18,34,.88));border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(18px);border-radius:var(--radius)}
.center-page{display:grid;place-items:center;padding:24px}.setup-card,.login-card{width:min(480px,100%);padding:34px}.brand-mark{display:grid;place-items:center;width:62px;height:62px;border-radius:19px;background:linear-gradient(145deg,var(--cyan),var(--violet));color:#00101b;font-weight:900;letter-spacing:-2px;box-shadow:0 0 38px rgba(64,217,255,.36)}
h1,h2,h3{margin-top:0}.form-grid{display:grid;gap:16px}.form-grid label,.field{display:grid;gap:8px;color:#bed4e3;font-size:.92rem}input,select,textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(126,205,255,.25);background:rgba(3,13,25,.72);color:var(--text);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(64,217,255,.12)}textarea{min-height:110px;resize:vertical}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;border:1px solid rgba(110,210,255,.24);border-radius:12px;background:rgba(19,53,82,.72);color:var(--text);cursor:pointer;transition:.18s transform,.18s border,.18s background}.btn:hover{transform:translateY(-1px);border-color:var(--cyan);background:rgba(28,75,112,.9)}.btn.primary{background:linear-gradient(135deg,var(--blue),var(--violet));border:none;box-shadow:0 8px 26px rgba(52,136,255,.24)}.btn.danger{background:rgba(255,64,105,.16);border-color:rgba(255,102,136,.45)}.btn.success{background:rgba(79,242,161,.14);border-color:rgba(79,242,161,.4)}.btn.small{padding:7px 10px;border-radius:9px;font-size:.86rem}.btn.icon{width:44px;height:44px;padding:0}.button-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.notice{padding:13px 15px;border-radius:12px;margin:14px 0;border:1px solid}.notice.success{background:rgba(79,242,161,.11);border-color:rgba(79,242,161,.35)}.notice.danger{background:rgba(255,102,136,.12);border-color:rgba(255,102,136,.38)}.notice.warning{background:rgba(255,209,102,.10);border-color:rgba(255,209,102,.36)}
.app-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:22px 16px;border-right:1px solid var(--line);background:rgba(4,13,25,.87);backdrop-filter:blur(18px);z-index:10}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:6px 8px 24px}.sidebar-brand .brand-mark{width:44px;height:44px;border-radius:14px}.sidebar-brand strong{display:block}.sidebar-brand small{color:var(--muted)}.nav{display:grid;gap:7px}.nav a{display:flex;align-items:center;gap:11px;padding:11px 13px;color:#bdd4e4;border-radius:12px}.nav a:hover,.nav a.active{color:#fff;background:linear-gradient(90deg,rgba(52,136,255,.22),rgba(155,108,255,.10));box-shadow:inset 3px 0 0 var(--cyan)}.sidebar-footer{position:absolute;left:16px;right:16px;bottom:18px;color:var(--muted);font-size:.85rem}
.main{padding:26px 30px 50px;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.topbar h1{margin:0;font-size:1.65rem}.topbar-meta{display:flex;align-items:center;gap:10px;color:var(--muted)}.content-grid{display:grid;gap:18px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.stat{padding:20px;position:relative;overflow:hidden}.stat:after{content:"";position:absolute;width:90px;height:90px;border-radius:50%;right:-25px;top:-25px;background:radial-gradient(circle,rgba(64,217,255,.28),transparent 70%)}.stat .label{color:var(--muted);font-size:.88rem}.stat .value{font-size:2rem;font-weight:800;margin-top:6px}.panel{padding:20px}.panel-header{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:16px}.panel-header h2{margin:0;font-size:1.14rem}.table-wrap{overflow:auto;border-radius:14px;border:1px solid rgba(105,196,245,.14)}table{width:100%;border-collapse:collapse;min-width:720px;background:rgba(4,15,28,.44)}th,td{padding:12px 13px;border-bottom:1px solid rgba(105,196,245,.11);text-align:left;vertical-align:middle}th{font-size:.82rem;color:#96b7cc;background:rgba(16,46,72,.6);position:sticky;top:0}tr:hover td{background:rgba(48,132,190,.06)}.badge{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:.76rem;border:1px solid rgba(120,204,248,.25);background:rgba(40,95,132,.25)}.badge.green{color:#86ffbd;border-color:rgba(79,242,161,.35)}.badge.red{color:#ff9db4;border-color:rgba(255,102,136,.38)}.badge.yellow{color:#ffe397;border-color:rgba(255,209,102,.38)}.badge.blue{color:#92ddff;border-color:rgba(64,217,255,.35)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.filter-bar{display:grid;grid-template-columns:minmax(220px,1fr) repeat(2,minmax(140px,.35fr)) auto;gap:10px;align-items:end}.pagination{display:flex;gap:7px;align-items:center;justify-content:center;margin-top:17px}.pagination a,.pagination span{padding:7px 10px;border-radius:9px;background:rgba(20,51,78,.6);border:1px solid rgba(100,200,250,.15)}.pagination .current{background:linear-gradient(135deg,var(--blue),var(--violet))}.empty{padding:30px;text-align:center;color:var(--muted)}
.mobile-shell{max-width:760px;margin:0 auto;padding:18px 16px 98px}.mobile-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.mobile-title{display:flex;gap:11px;align-items:center}.mobile-title .brand-mark{width:44px;height:44px;border-radius:14px}.search-hero{padding:18px;margin-bottom:16px}.search-line{display:flex;gap:9px}.search-line input{font-size:1.04rem}.song-list{display:grid;gap:11px}.song-card{display:grid;grid-template-columns:58px 1fr auto;gap:12px;align-items:center;padding:12px;border-radius:16px;background:rgba(10,29,49,.84);border:1px solid rgba(92,190,240,.16)}.song-cover{width:58px;height:58px;border-radius:13px;background:linear-gradient(145deg,rgba(52,136,255,.3),rgba(155,108,255,.28));display:grid;place-items:center;font-weight:800;color:#c9f2ff;overflow:hidden}.song-cover img{width:100%;height:100%;object-fit:cover}.song-meta strong{display:block;margin-bottom:3px}.song-meta small{color:var(--muted)}.bottom-nav{position:fixed;left:50%;bottom:12px;transform:translateX(-50%);width:min(720px,calc(100% - 24px));display:grid;grid-template-columns:repeat(4,1fr);padding:8px;border-radius:19px;background:rgba(5,18,33,.94);border:1px solid rgba(76,195,255,.25);box-shadow:0 15px 55px rgba(0,0,0,.5);backdrop-filter:blur(20px);z-index:20}.bottom-nav button{border:0;background:transparent;color:var(--muted);padding:9px;border-radius:12px}.bottom-nav button.active{background:rgba(58,154,220,.17);color:#fff}.remote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.remote-grid .btn{min-height:68px;font-weight:700}.remote-grid .wide{grid-column:span 3}.queue-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 0;border-bottom:1px solid rgba(100,200,250,.12)}
.player-body{overflow:hidden;background:#000}.player-stage{position:fixed;inset:0;background:#000;display:grid;grid-template-rows:1fr auto}.video-zone{position:relative;min-height:0}.video-zone video,.video-zone iframe,#youtube-player{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}.player-overlay{position:absolute;inset:0;pointer-events:none;background:linear-gradient(to bottom,rgba(2,7,14,.25),transparent 24%,transparent 68%,rgba(2,7,14,.8));z-index:4}.player-top{position:absolute;left:24px;right:24px;top:20px;display:flex;justify-content:space-between;z-index:5;text-shadow:0 2px 12px #000}.player-info{display:grid;grid-template-columns:1fr auto;gap:25px;padding:18px 24px;background:linear-gradient(90deg,rgba(7,21,38,.97),rgba(11,38,63,.94));border-top:1px solid rgba(80,200,255,.25);z-index:6}.now-song h1{font-size:1.55rem;margin:0 0 5px}.now-song p{margin:0;color:#a7c4d7}.next-song{text-align:right;align-self:center}.idle-screen{position:absolute;inset:0;display:grid;place-items:center;background:radial-gradient(circle at center,rgba(26,93,143,.35),#02060b 70%);z-index:3}.idle-core{text-align:center}.idle-core .brand-mark{margin:auto;width:90px;height:90px;font-size:1.5rem;border-radius:28px;animation:pulse 2.4s infinite}.toast-stack{position:fixed;right:18px;top:18px;z-index:100;display:grid;gap:9px}.toast{padding:12px 15px;border-radius:12px;background:rgba(8,30,50,.96);border:1px solid rgba(64,217,255,.36);box-shadow:0 12px 40px #000;animation:slidein .2s ease-out}
@keyframes pulse{50%{box-shadow:0 0 70px rgba(64,217,255,.55);transform:scale(1.03)}}@keyframes slidein{from{opacity:0;transform:translateX(20px)}}
@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto;border-right:0;border-bottom:1px solid var(--line)}.nav{grid-template-columns:repeat(4,1fr)}.nav a{justify-content:center;font-size:.85rem}.sidebar-footer{display:none}.main{padding:20px 16px 45px}.stats{grid-template-columns:1fr 1fr}.grid-2,.grid-3{grid-template-columns:1fr}.filter-bar{grid-template-columns:1fr 1fr}.filter-bar .grow{grid-column:1/-1}}
@media(max-width:560px){.stats{grid-template-columns:1fr}.nav{grid-template-columns:repeat(2,1fr)}.topbar{align-items:flex-start}.topbar-meta{display:none}.filter-bar{grid-template-columns:1fr}.song-card{grid-template-columns:50px 1fr auto}.song-cover{width:50px;height:50px}.player-info{grid-template-columns:1fr}.next-song{text-align:left}}

/* KTV Nova V1.2 fullscreen controls */
.player-top-actions{display:flex;align-items:center;gap:14px;pointer-events:auto}
.player-fullscreen-btn{appearance:none;border:1px solid rgba(111,215,255,.42);border-radius:10px;padding:8px 12px;background:rgba(3,18,32,.76);color:#eefaff;cursor:pointer;box-shadow:0 8px 28px rgba(0,0,0,.28);backdrop-filter:blur(12px);transition:.18s ease}
.player-fullscreen-btn:hover{border-color:var(--cyan);background:rgba(25,77,112,.9);transform:translateY(-1px)}
.player-fullscreen-btn.attention{animation:fullscreenAttention .9s ease-in-out infinite;z-index:20}
.player-start-note{max-width:620px;margin:14px auto 0;color:#8faec2;font-size:.86rem;line-height:1.6}
.player-body.is-fullscreen .player-fullscreen-btn{opacity:.28}
.player-body.is-fullscreen .player-fullscreen-btn:hover{opacity:1}
@keyframes fullscreenAttention{50%{border-color:#fff;box-shadow:0 0 0 6px rgba(64,217,255,.22),0 0 34px rgba(64,217,255,.78);transform:scale(1.05)}}
@media(max-width:700px){.player-top{left:14px;right:14px;top:12px}.player-top-actions{gap:8px}.player-fullscreen-btn{padding:7px 9px;font-size:.82rem}}

/* V1.3：遙控按鈕送出時立即回饋，避免使用者重複連點。 */
.remote-grid .btn.sending{
    transform:scale(.97);
    filter:brightness(1.18);
    box-shadow:0 0 0 3px rgba(43,211,255,.18),0 0 24px rgba(43,211,255,.28);
    pointer-events:none;
}

/* KTV Nova V2 */
.player-status-rack{position:absolute;right:24px;bottom:22px;z-index:6;display:flex;gap:8px;pointer-events:none}
.player-status{padding:7px 11px;border-radius:999px;background:rgba(2,16,29,.78);border:1px solid rgba(64,217,255,.34);font-size:.82rem;box-shadow:0 8px 24px rgba(0,0,0,.28);backdrop-filter:blur(10px)}
.pair-code{font-size:2.4rem;font-weight:900;letter-spacing:.25em;margin:12px 0}
.bottom-nav-v2{grid-template-columns:repeat(5,1fr)}
.remote-section-title{margin:20px 0 9px;color:#9fc7dc;font-size:.88rem;font-weight:700;letter-spacing:.08em}
.key-grid{grid-template-columns:repeat(3,1fr)}
.volume-control{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px;padding:12px 2px 6px}.volume-control input{padding:0}.volume-control span{min-width:52px;text-align:right;font-weight:800;color:var(--cyan)}
.effect-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.effect-button{min-height:96px;border-radius:18px;border:1px solid rgba(80,200,255,.22);background:linear-gradient(145deg,rgba(18,55,86,.85),rgba(22,32,68,.8));color:#fff;display:grid;place-items:center;gap:5px;padding:14px;cursor:pointer}.effect-button span{font-size:2rem}.effect-button strong{font-size:.95rem}.effect-button:active{transform:scale(.97)}
.song-actions{display:grid;gap:6px;min-width:68px}.song-actions .btn{width:100%}
.state-strip{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 12px}.state-strip span{padding:5px 9px;border-radius:999px;background:rgba(43,113,158,.18);border:1px solid rgba(71,187,244,.2);font-size:.78rem;color:#bfeaff}
.key-checkboxes{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.key-checkboxes label{display:flex;align-items:center;gap:6px;padding:9px;border:1px solid rgba(80,200,255,.16);border-radius:10px;background:rgba(6,22,39,.55)}.key-checkboxes input{width:auto}
.tool-log{white-space:pre-wrap;word-break:break-word;max-height:280px;overflow:auto;padding:13px;border-radius:12px;background:rgba(2,10,20,.82);border:1px solid rgba(80,200,255,.16);color:#b8d7e8;font-size:.8rem;line-height:1.55}
@media(max-width:560px){.bottom-nav-v2{font-size:.76rem}.effect-grid{grid-template-columns:repeat(2,1fr)}.player-status-rack{right:12px;bottom:12px}.player-status{padding:5px 8px;font-size:.72rem}.key-checkboxes{grid-template-columns:repeat(2,1fr)}}

/* KTV Nova V2.1 多房間控制台與 QR Code */
.room-base-form{display:grid;grid-template-columns:minmax(260px,1fr) auto;gap:12px;align-items:end}.room-create-grid{display:grid;grid-template-columns:minmax(160px,.45fr) minmax(220px,.7fr) minmax(260px,1fr) 110px auto;gap:12px;align-items:end}.room-admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.room-admin-card{padding:22px}.room-admin-head,.room-console-head{display:flex;justify-content:space-between;gap:15px;align-items:flex-start}.room-title-line{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.room-title-line h2{margin:0}.room-admin-body{display:grid;grid-template-columns:280px minmax(0,1fr);gap:22px;margin-top:20px}.room-qr-column{display:grid;justify-items:center;align-content:start;gap:9px;text-align:center}.room-qr,.modal-room-qr,.print-qr{padding:14px;background:#fff;border-radius:20px;box-shadow:0 14px 45px rgba(0,0,0,.35)}.room-qr canvas,.modal-room-qr canvas,.print-qr canvas{display:block;max-width:100%;height:auto}.room-admin-settings{display:grid;gap:14px}.room-toggle-row{display:flex;gap:18px;flex-wrap:wrap}.room-toggle-row label{display:flex;align-items:center;gap:7px;color:#bdd4e4}.room-toggle-row input{width:auto}.room-url-box{display:grid;gap:7px}.room-url-box label{color:var(--muted);font-size:.82rem}.copy-line{display:grid;grid-template-columns:1fr auto;gap:8px}.copy-line input{font-size:.8rem}.room-danger-zone{display:flex;gap:8px;flex-wrap:wrap;padding-top:12px;border-top:1px solid rgba(100,200,250,.13)}.room-links{padding-top:4px}.room-console-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px}.room-console-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.room-console-card{padding:20px;position:relative;overflow:hidden}.room-console-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--danger)}.room-console-card.online:before{background:var(--green)}.room-state-strip{display:flex;gap:7px;flex-wrap:wrap;margin:16px 0}.room-state-strip span{padding:5px 9px;border-radius:999px;background:rgba(43,113,158,.18);border:1px solid rgba(71,187,244,.2);font-size:.76rem;color:#bfeaff}.room-now-playing{display:grid;gap:4px;padding:16px;border-radius:15px;background:linear-gradient(145deg,rgba(19,56,88,.76),rgba(9,27,50,.74));border:1px solid rgba(77,196,255,.16)}.room-now-playing strong{font-size:1.25rem}.room-now-playing span{color:var(--muted)}.room-next-row{display:grid;grid-template-columns:1fr auto;gap:12px;margin:12px 0 16px}.room-next-row span{display:grid;gap:4px;padding:11px 13px;border-radius:12px;background:rgba(5,20,36,.65);border:1px solid rgba(80,200,255,.12)}.room-next-row small{color:var(--muted)}.room-control-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.room-console-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.qr-modal{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px}.qr-modal-backdrop{position:absolute;inset:0;background:rgba(0,4,10,.78);backdrop-filter:blur(8px)}.qr-modal-card{position:relative;width:min(520px,100%);padding:24px;display:grid;justify-items:center;gap:16px}.qr-modal-card .panel-header{width:100%}.qr-modal-card input{width:100%;font-size:.78rem}.qr-print-card{width:min(620px,100%);padding:34px;text-align:center;display:grid;justify-items:center;gap:14px}.qr-print-brand{display:flex;align-items:center;gap:16px;text-align:left}.qr-print-brand h1,.qr-print-brand p{margin:0}.room-switch-select{min-width:210px;padding:8px 12px}.room-admin-card .form-grid{gap:12px}
@media(max-width:1250px){.room-admin-grid,.room-console-grid{grid-template-columns:1fr}.room-create-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.room-create-grid .grow{grid-column:1/-1}}
@media(max-width:760px){.room-base-form,.room-create-grid{grid-template-columns:1fr}.room-admin-body{grid-template-columns:1fr}.room-console-toolbar{align-items:flex-start;flex-direction:column}.room-console-head,.room-admin-head{flex-direction:column}.room-control-grid{grid-template-columns:repeat(2,1fr)}.copy-line{grid-template-columns:1fr}.room-qr-column{padding-bottom:6px}.room-switch-select{width:100%}}

/* V2.3 裝置權杖、MAC 輔助驗證與房間綁定 */
.device-default-grid{display:grid;grid-template-columns:minmax(260px,1fr) minmax(190px,.55fr) minmax(220px,.7fr) auto;gap:14px;align-items:end}
.check-line{display:flex!important;align-items:center;gap:8px;color:#bed4e3}.check-line input{width:auto;flex:0 0 auto}.check-line small{color:var(--muted)}
.device-card-list{display:grid;gap:16px}.device-admin-card{padding:19px;border-radius:18px;border:1px solid rgba(81,192,255,.16);background:linear-gradient(145deg,rgba(8,29,50,.78),rgba(5,18,34,.72))}
.device-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.device-card-head h3{margin:0;font-size:1.17rem}
.device-security-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:15px}.device-security-strip>div{display:grid;gap:5px;padding:11px 12px;border-radius:13px;background:rgba(6,22,40,.65);border:1px solid rgba(83,194,250,.13);min-width:0}.device-security-strip small{color:var(--muted)}.device-security-strip strong{overflow-wrap:anywhere}
.device-note{margin:8px 2px 0}.device-settings{margin-top:14px;border-top:1px solid rgba(100,200,250,.13);padding-top:12px}.device-settings summary{cursor:pointer;color:#bfeaff;font-weight:700;user-select:none}.device-settings-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin-top:14px}.device-settings-form fieldset{border:1px solid rgba(105,196,245,.16);border-radius:14px;padding:13px;display:grid;gap:9px}.device-settings-form fieldset legend{padding:0 7px;color:#9fc4da}.device-room-fieldset{grid-column:1/-1}.device-room-checks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.device-settings-form .btn.primary{align-self:end}.device-actions{margin-top:14px;padding-top:12px;border-top:1px solid rgba(100,200,250,.12)}
@media(max-width:1050px){.device-default-grid{grid-template-columns:1fr 1fr}.device-security-strip{grid-template-columns:1fr 1fr}.device-room-checks{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.device-default-grid,.device-settings-form,.device-security-strip{grid-template-columns:1fr}.device-room-checks{grid-template-columns:1fr}.device-card-head{display:grid}.device-settings-form fieldset,.device-room-fieldset{grid-column:auto}}

/* KTV Nova V3 Professional Player Agent */
.agent-intro{display:flex;align-items:center;justify-content:space-between;gap:20px}.agent-intro h2,.agent-intro p{margin-top:0}.agent-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.agent-card{padding:21px;position:relative;overflow:hidden}.agent-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--danger)}.agent-card.online:before{background:var(--green)}.agent-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.agent-card-head h2{margin:0}.agent-pairing-box{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:15px;padding:16px;margin-top:16px;border-radius:15px;border:1px solid rgba(255,210,90,.24);background:linear-gradient(145deg,rgba(92,62,12,.35),rgba(30,20,8,.45))}.agent-pairing-box strong{font-size:2rem;letter-spacing:.18em;color:#ffe28a}.agent-pairing-box small{color:var(--muted)}.agent-approve-row{display:grid;grid-template-columns:minmax(170px,.6fr) minmax(250px,1fr) auto;gap:12px;align-items:end;margin-top:13px}.agent-metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:16px}.agent-metrics-grid>div{display:grid;gap:5px;padding:11px;border-radius:13px;background:rgba(6,22,40,.65);border:1px solid rgba(83,194,250,.13);min-width:0}.agent-metrics-grid small{color:var(--muted)}.agent-metrics-grid strong{overflow-wrap:anywhere}.agent-details{margin-top:15px;border-top:1px solid rgba(100,200,250,.13);padding-top:13px}.agent-details summary{cursor:pointer;color:#bfeaff;font-weight:700}.agent-settings-grid{display:grid;grid-template-columns:1fr 1fr auto auto;gap:12px;align-items:end;margin-top:14px}.agent-capabilities{margin-top:13px;color:var(--muted);overflow-wrap:anywhere}.agent-task-row,.agent-danger-row{margin-top:13px}.agent-danger-row{padding-top:12px;border-top:1px solid rgba(100,200,250,.12)}
@media(max-width:1250px){.agent-grid{grid-template-columns:1fr}.agent-metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.agent-settings-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.agent-intro,.agent-card-head{align-items:flex-start;flex-direction:column}.agent-approve-row,.agent-settings-grid,.agent-metrics-grid{grid-template-columns:1fr}.agent-pairing-box{grid-template-columns:1fr}.agent-pairing-box strong{font-size:1.7rem}.room-create-grid{grid-template-columns:1fr}}

/* KTV Nova V3.0.5 友善入口首頁與房間選擇 */
.entry-page{min-height:100vh;background:radial-gradient(circle at 15% 10%,rgba(27,137,214,.18),transparent 34%),radial-gradient(circle at 86% 5%,rgba(133,87,255,.14),transparent 32%),linear-gradient(145deg,#040a14,#07182b 55%,#080e22);padding:30px 18px 42px}.entry-shell{width:min(1120px,100%);margin:0 auto;display:grid;gap:18px}.entry-hero{padding:30px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;overflow:hidden;position:relative}.entry-hero:after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;right:-130px;top:-165px;background:radial-gradient(circle,rgba(74,209,255,.26),transparent 68%);pointer-events:none}.entry-brand-row{display:flex;align-items:center;gap:20px;position:relative;z-index:1}.entry-logo{width:76px;height:76px;border-radius:23px;font-size:1.25rem;flex:0 0 auto}.entry-kicker{color:#67ddff;font-size:.78rem;letter-spacing:.18em;font-weight:800;margin-bottom:7px}.entry-hero h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1;margin:0 0 10px}.entry-hero p{margin:0;color:var(--muted);max-width:680px;line-height:1.7}.entry-status-row{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;position:relative;z-index:1}.entry-notice{margin:0}.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.entry-card{padding:24px;display:flex;gap:17px;align-items:flex-start}.entry-card-main{grid-column:1/-1}.entry-card-icon{width:54px;height:54px;border-radius:17px;display:grid;place-items:center;font-size:1.4rem;font-weight:900;color:#051321;background:linear-gradient(145deg,#59d9ff,#8d71ff);box-shadow:0 12px 32px rgba(71,177,255,.24);flex:0 0 auto}.entry-card-icon.admin{background:linear-gradient(145deg,#72ffca,#38b8ff)}.entry-card-icon.help{background:linear-gradient(145deg,#ffe17f,#ff8ec8)}.entry-card-copy{min-width:0;flex:1}.entry-card-copy h2{margin:2px 0 9px;font-size:1.35rem}.entry-card-copy>p{margin:0 0 16px;line-height:1.65}.entry-button{display:inline-flex;justify-content:center;min-width:180px}.entry-room-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:15px}.entry-room-card{display:grid;gap:7px;padding:16px;border-radius:16px;border:1px solid rgba(81,202,255,.22);background:linear-gradient(145deg,rgba(16,51,82,.84),rgba(7,25,46,.85));text-decoration:none;color:#eef8ff;transition:.2s ease;min-height:150px}.entry-room-card:hover{transform:translateY(-3px);border-color:rgba(102,220,255,.65);box-shadow:0 15px 35px rgba(0,0,0,.3)}.entry-room-code{font-size:.72rem;letter-spacing:.12em;color:#70ddff}.entry-room-card strong{font-size:1.12rem}.entry-room-card small{color:var(--muted);line-height:1.5}.entry-room-action{margin-top:auto;color:#83e7ff;font-weight:800;font-size:.86rem}.entry-qr-guide{display:flex;gap:16px;align-items:center;padding:17px;border-radius:15px;background:rgba(7,29,52,.62);border:1px solid rgba(82,196,251,.17);margin-bottom:12px}.entry-qr-symbol{width:62px;height:62px;border-radius:15px;background:#fff;color:#071526;display:grid;place-items:center;font-size:2.2rem;flex:0 0 auto}.entry-qr-guide strong{display:block;margin-bottom:5px}.entry-qr-guide p{margin:0;color:var(--muted);line-height:1.55}.entry-pending-box{display:grid;gap:7px;padding:17px;border:1px solid rgba(255,210,93,.24);border-radius:15px;background:rgba(83,57,12,.25)}.entry-pending-box .badge{width:max-content}.entry-pending-box small{color:var(--muted)}.entry-help-list{display:grid;gap:8px;color:#bdd7e7;font-size:.9rem}.entry-footer{display:flex;justify-content:space-between;gap:16px;color:#7999ad;font-size:.78rem;padding:5px 4px}.notice.info{border-color:rgba(71,192,255,.35);background:rgba(25,103,147,.18);color:#bfeaff}
@media(max-width:900px){.entry-hero{align-items:flex-start;flex-direction:column}.entry-status-row{justify-content:flex-start}.entry-room-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.entry-page{padding:16px 12px 28px}.entry-hero{padding:23px 20px}.entry-brand-row{align-items:flex-start}.entry-logo{width:58px;height:58px;border-radius:18px}.entry-grid{grid-template-columns:1fr}.entry-card{padding:20px;display:grid}.entry-card-main{grid-column:auto}.entry-room-grid{grid-template-columns:1fr}.entry-qr-guide{align-items:flex-start}.entry-footer{display:grid}.entry-status-row{gap:6px}}


/* KTV Nova V3.1 一條龍設備加入 */
.join-shell{width:min(620px,100%);margin:8vh auto 0}.join-card{padding:30px}.join-brand{display:flex;gap:16px;align-items:center;margin-bottom:22px}.join-brand h1{margin:0}.join-room{display:grid;gap:5px;padding:18px;border-radius:16px;background:rgba(22,75,112,.3);border:1px solid rgba(80,205,255,.24);margin-bottom:16px}.join-room small,.join-room span{color:var(--muted)}.join-room strong{font-size:1.45rem}.join-permissions{padding:16px;border-radius:15px;background:rgba(5,21,38,.62);margin-bottom:18px}.join-permissions h3{font-size:.95rem;color:var(--muted);margin-bottom:10px}.join-permission-chips{display:flex;gap:8px;flex-wrap:wrap}.join-form{margin-top:18px}.join-submit{padding:14px 18px;font-weight:800}.join-security{text-align:center;margin:14px 0 0;font-size:.82rem}.onboarding-hero{display:flex;align-items:center;justify-content:space-between;gap:20px}.onboarding-hero h2{margin:0 0 8px}.onboarding-hero p{margin:0}.onboarding-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:18px;margin:18px 0}.onboarding-steps{display:grid;gap:14px;padding-left:26px}.onboarding-steps li{padding-left:5px}.onboarding-steps strong,.onboarding-steps span{display:block}.onboarding-steps span{color:var(--muted);margin-top:4px}.invite-created{margin-top:18px;border-color:rgba(255,214,98,.4)}.invite-created-grid{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:center}.invite-created-grid canvas{max-width:100%;height:auto;border-radius:15px}.guest-room-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.guest-room-card{display:grid;gap:13px;padding:17px;border-radius:17px;background:rgba(6,25,45,.72);border:1px solid rgba(80,194,250,.16)}.guest-room-card.disabled{opacity:.55}.guest-room-head{display:flex;justify-content:space-between;gap:12px}.guest-room-head h3{margin:0}.guest-mini-qr{display:grid;place-items:center;min-height:160px;background:#fff;border-radius:14px;padding:6px}.guest-settings{display:grid;gap:10px;padding-top:11px;border-top:1px solid rgba(100,200,250,.13)}
@media(max-width:1100px){.guest-room-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.join-shell{margin-top:2vh}.onboarding-hero{align-items:flex-start;flex-direction:column}.onboarding-grid,.invite-created-grid,.guest-room-grid{grid-template-columns:1fr}.invite-created-grid{justify-items:center}.invite-created-grid>div:last-child{width:100%}}