:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#0b0f14;color:#eef4f8}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(120deg,rgba(31,123,93,.18),transparent 34%),linear-gradient(180deg,#101820,#0b0f14)}button,input{font:inherit}button{cursor:pointer}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:28px}.auth-panel,.panel{background:#121a22eb;border:1px solid rgba(255,255,255,.08);border-radius:8px;box-shadow:0 24px 80px #00000059}.auth-panel{width:min(440px,100%);padding:28px}.brand-row{display:flex;align-items:center;gap:14px;margin-bottom:24px}.brand-row.compact{margin-bottom:0}.brand-mark{width:48px;height:48px;border-radius:8px;display:grid;place-items:center;background:#35c48f;color:#06110d}h1,h2,h3,p{margin:0}h1{font-size:24px}h2{font-size:18px}h3{font-size:16px}p{color:#99a8b5}.mode-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:4px;margin-bottom:18px;background:#ffffff0d;border-radius:8px}.mode-tabs button,.icon-button{border:0;color:#dce7ee;background:transparent;border-radius:6px}.mode-tabs button{padding:10px}.mode-tabs button.active{background:#35c48f2e;color:#7ff0bf}label{display:grid;gap:8px;margin-bottom:14px;color:#bac7d0;font-size:13px}input{width:100%;border:1px solid rgba(255,255,255,.12);border-radius:6px;background:#ffffff0d;color:#f5fbff;padding:12px;outline:none}input:focus{border-color:#35c48f;box-shadow:0 0 0 3px #35c48f1f}.primary-button{width:100%;border:0;border-radius:6px;background:#35c48f;color:#06110d;font-weight:700;padding:12px 14px}.primary-button:disabled{opacity:.55;cursor:wait}.error{color:#ff8b8b;margin-bottom:14px}.dashboard{min-height:100vh}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;border-bottom:1px solid rgba(255,255,255,.08);background:#0b0f14d1}.topbar-actions{display:flex;gap:8px}.icon-button{width:38px;height:38px;display:grid;place-items:center;background:#ffffff0f}.icon-button:hover{background:#ffffff1c}.icon-button.danger:hover{color:#ff8b8b}.dashboard-grid{display:grid;grid-template-columns:minmax(320px,420px) 1fr;gap:18px;padding:24px}.panel{padding:20px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.playlists-panel{min-height:520px}.playlist-list,.device-list{display:grid;gap:10px}.playlist-card,.device-card{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px;border:1px solid rgba(255,255,255,.08);border-radius:8px;background:#ffffff0a}.playlist-card p,.playlist-card span,.device-card p,.device-card span{display:block;margin-top:4px;color:#99a8b5;font-size:13px;overflow-wrap:anywhere}.devices-panel{min-height:280px}.device-main{min-width:0;flex:1}.device-main input{margin:0}.device-actions{display:flex;flex:0 0 auto;gap:8px}.empty-state{display:grid;place-items:center;min-height:260px;color:#99a8b5;border:1px dashed rgba(255,255,255,.12);border-radius:8px}.compact-empty{min-height:148px}@media(max-width:820px){.dashboard-grid{grid-template-columns:1fr}.topbar{padding:0 18px}}