:root{--bg:#0b0f14;--surface:#151b23;--surface2:#1d2631;--line:#2b3745;--text:#f4f6f8;--muted:#94a3b3;--cyan:#2f80ed;--purple:#2f80ed;--orange:#ff8a24;--green:#39d98a;--danger:#ff5c68}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.45 Inter,Segoe UI,Arial,sans-serif}.sidebar{position:fixed;inset:0 auto 0 0;width:240px;background:#0b151e;border-right:1px solid var(--line);padding:28px 20px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;color:white;text-decoration:none;font-size:28px}.brand span{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--purple),var(--cyan));font-weight:900}.brand strong{font-weight:900}.sidebar nav{display:flex;flex-direction:column;gap:6px;margin-top:40px}.sidebar nav a{color:var(--muted);text-decoration:none;padding:12px 14px;border-radius:10px;font-weight:650}.sidebar nav a:hover,.sidebar nav a.active{color:white;background:var(--surface2)}.sidebar nav a.active{box-shadow:inset 3px 0 var(--cyan)}.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:4px;padding:14px}.sidebar-foot small,.eyebrow{color:var(--cyan);font-size:10px;letter-spacing:1.6px;font-weight:800}main{margin-left:240px;padding:30px 40px;min-height:100vh;max-width:1600px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.topbar small{color:var(--cyan);font-size:10px;letter-spacing:1.8px;font-weight:800}.topbar h1{margin:4px 0 0;font-size:28px}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:11px 17px;text-decoration:none;font-weight:750;cursor:pointer;color:white}.primary{background:linear-gradient(135deg,#287ec8,var(--cyan));color:#041319}.secondary{background:var(--surface2);border:1px solid var(--line)}.ghost{background:transparent;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}.stats article,.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px}.stats article{padding:22px}.stats span{font-size:30px;font-weight:850}.stats p{margin:5px 0 0;color:var(--muted)}.live-dot{color:var(--green)}.two-columns{display:grid;grid-template-columns:1.2fr 1fr;gap:20px}.panel{padding:22px}.panel-title{display:flex;justify-content:space-between;align-items:start;gap:20px;margin-bottom:16px}.panel-title h2,.panel h2{margin:0;font-size:17px}.panel-title p{margin:5px 0;color:var(--muted)}.panel-title a{color:var(--cyan);text-decoration:none}.list>a,.service-row{display:flex;justify-content:space-between;align-items:center;padding:14px 4px;border-top:1px solid var(--line);color:white;text-decoration:none}.list div div,.list a div{display:flex;flex-direction:column}.list small,.song-card small{color:var(--muted)}.messages{margin-bottom:16px}.message{padding:12px 16px;background:#123b34;border:1px solid #24644f;border-radius:10px;color:#8df0c3}.search{display:flex;gap:10px;margin-bottom:20px}.search input{flex:1}.song-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:15px}.song-card{display:flex;gap:16px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:14px;color:white;text-decoration:none;transition:.18s}.song-card:hover{transform:translateY(-2px);border-color:#43849a}.song-art{width:64px;height:64px;flex:none;display:grid;place-items:center;border-radius:12px;background:linear-gradient(145deg,#543886,#193b4b);font-size:28px}.song-card h2{margin:2px 0;font-size:17px}.song-card p{margin:3px 0;color:var(--muted)}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:10px;background:#0a131b;color:white;padding:12px;font:inherit;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px #50c8d81c}.editor-layout{display:grid;grid-template-columns:310px 1fr;gap:20px}.form-panel label,.stacked-form label{display:block;margin-top:16px;font-size:12px;font-weight:750;color:#bed0d8}.form-panel label input{margin-top:6px}.lyrics-panel textarea{min-height:480px;resize:vertical;font:16px/1.6 Consolas,monospace}.shortcut{font-size:11px;color:var(--cyan);background:#17313b;padding:6px 9px;border-radius:8px}.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.errorlist,.form-error{color:#ff9c9c;background:#381d24;padding:10px;border-radius:8px;list-style:none}.song-meta{display:flex;gap:10px;margin-bottom:18px}.song-meta span{background:var(--surface2);border:1px solid var(--line);padding:7px 11px;border-radius:20px;color:var(--muted);font-size:12px}.detail-layout{display:grid;grid-template-columns:1fr 320px;gap:20px}.slide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.slide-card{aspect-ratio:16/9;padding:18px;background:linear-gradient(145deg,#25314f,#101821);border:1px solid #384862;border-radius:14px;display:flex;flex-direction:column}.slide-card small{color:var(--cyan);text-transform:uppercase;font-weight:800;letter-spacing:1px}.slide-card p{margin:auto;text-align:center;font-size:17px;font-weight:750}.add-panel{align-self:start;position:sticky;top:24px}.add-panel>p{color:var(--muted)}.stacked-form p{margin:12px 0}.stacked-form label{margin-bottom:6px}.stacked-form .button{width:100%;margin-top:10px}.link-button{border:0;background:none;color:var(--cyan);padding:3px 0;cursor:pointer;text-align:left}.danger{color:var(--danger)}hr{border:0;border-top:1px solid var(--line);margin:22px 0}.empty{padding:30px;color:var(--muted);text-align:center}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 70% 20%,#193848 0,transparent 35%),var(--bg)}.login-card{width:min(430px,calc(100vw - 32px));background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:0 28px 80px #0008}.login-brand{margin-bottom:32px}.login-card h1{margin:5px 0}.muted{color:var(--muted)}@media(max-width:950px){.sidebar{position:static;width:auto;height:auto;flex-direction:row;align-items:center;padding:12px 18px}.sidebar nav{flex-direction:row;margin:0 0 0 30px}.sidebar-foot{display:none}main{margin:0;padding:22px}.editor-layout,.detail-layout,.two-columns{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.slide-grid{grid-template-columns:1fr}}@media(max-width:650px){.sidebar nav a:not(.active){display:none}.topbar{align-items:flex-end}.song-meta{flex-wrap:wrap}.panel{padding:16px}}
.brand img{display:block;width:142px;height:auto}.primary{background:var(--cyan)}
.product-nav{gap:9px!important;margin-top:28px!important}.product-nav .nav-home{margin-bottom:5px}.nav-product{border:1px solid transparent;border-radius:13px;overflow:hidden}.nav-product[open]{background:#111d28;border-color:#253746}.nav-product summary{display:flex;align-items:center;gap:11px;padding:10px 12px;cursor:pointer;list-style:none;color:#e8f0f6}.nav-product summary::-webkit-details-marker{display:none}.nav-product summary:after{content:"⌄";margin-left:auto;color:#6f8798;transition:.2s}.nav-product[open] summary:after{transform:rotate(180deg)}.nav-product summary span:nth-child(2){display:flex;flex-direction:column;line-height:1.15}.nav-product summary b{font-size:13px;letter-spacing:.06em}.nav-product summary small{margin-top:4px;color:#8296a6;font-size:10px}.nav-symbol{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#288ee6,#36d7df);color:white;font-style:normal}.nav-product>div{display:flex;flex-direction:column;padding:0 8px 8px 42px}.sidebar nav .nav-product a{padding:7px 9px;color:#9cafbd;font-size:12px}.sidebar nav .nav-product a:hover{color:white;background:#1c2b37}.ecosystem-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:18px 0 26px}.ecosystem-card{display:grid;grid-template-columns:68px 1fr;gap:16px;padding:21px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#15212c,#0f171f)}.ecosystem-card.cloud{grid-column:1/-1}.ecosystem-card .app-mark{display:grid;place-items:center;width:62px;height:62px;border-radius:17px;background:linear-gradient(135deg,#278fe7,#3cdae0);font-size:25px;box-shadow:0 10px 30px #1caed229}.app-title small{color:#66dfe3;font-size:9px;font-weight:900;letter-spacing:.18em}.app-title h2{font-size:20px;margin:3px 0}.app-title p{color:var(--muted);margin:4px 0 14px}.app-links{grid-column:2;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.app-links a,.app-links span{padding:7px 10px;border:1px solid #314454;border-radius:20px;color:#9eb5c5;text-decoration:none;font-size:11px}.app-links a{color:#6be5ec;background:#112833}.app-links a:hover{border-color:#50dce4;color:white}@media(max-width:1080px){.ecosystem-grid{grid-template-columns:1fr}.ecosystem-card.cloud{grid-column:auto}}@media(max-width:650px){.product-nav{width:100%}.ecosystem-card{grid-template-columns:52px 1fr;padding:16px}.ecosystem-card .app-mark{width:48px;height:48px}.app-links{grid-column:1/-1}.nav-product>div{padding-left:36px}}
.download-icon.official{padding:0;overflow:hidden;background:#07131f}.download-icon.official img{display:block;width:100%;height:100%;object-fit:cover}.download-card{scroll-margin-top:24px}
.mobile-menu-button{display:none;border:1px solid var(--line);border-radius:11px;background:var(--surface2);color:#fff;padding:10px 14px;font:inherit;font-weight:750}
@media(max-width:650px){.sidebar{position:sticky;top:0;z-index:50;display:grid;grid-template-columns:1fr auto;width:100%;padding:12px 15px}.brand img{width:112px}.mobile-menu-button{display:inline-flex;align-items:center;gap:8px}.sidebar nav{display:none;grid-column:1/3;margin:12px 0 0;flex-direction:column;padding-top:10px;border-top:1px solid var(--line)}.sidebar nav.mobile-open{display:flex}.sidebar nav a,.sidebar nav a:not(.active){display:block;padding:11px 13px}.sidebar-foot{display:none}main{width:100%;padding:16px 14px}.topbar{align-items:flex-start}.topbar h1{font-size:25px;line-height:1.18}.search{flex-direction:column}.form-actions{flex-direction:column}.form-actions .button{width:100%}}