:root{
  --bg:#070b16; --panel:#0e1526; --panel2:#131d36; --line:#22304f;
  --teal:#37c8d9; --teal-dark:#1f9db3; --gold:#d9a742; --gold2:#f0c569;
  --text:#eef3fb; --muted:#9fb0c9; --danger:#e06565; --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.45}
.hidden{display:none!important}
button,input,select,textarea{font:inherit}
input,select,textarea{background:var(--panel2);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:.55rem .7rem;width:100%}
textarea{resize:vertical}
label{display:block;font-size:.85rem;color:var(--muted);margin:.45rem 0}
label input,label textarea{margin-top:.25rem}
code{background:var(--panel2);padding:.1rem .35rem;border-radius:6px;color:var(--gold2)}
.btn{background:var(--panel2);border:1px solid var(--line);color:var(--text);border-radius:999px;padding:.55rem 1.1rem;cursor:pointer}
.btn.gold{background:linear-gradient(180deg,var(--gold2),var(--gold));color:#221a05;border:none;font-weight:700}
.btn.ghost{background:transparent}
.btn.small{padding:.3rem .8rem;font-size:.85rem}
.btn-row{display:flex;gap:.5rem;flex-wrap:wrap;margin:.7rem 0}
.form-msg{min-height:1.2em;font-size:.9rem;color:var(--teal)}
.form-msg.err{color:var(--danger)}
.hint{color:var(--muted);font-size:.92rem}
.checkline{display:flex;align-items:center;gap:.5rem;color:var(--muted)}
.checkline input{width:auto}

/* Gate */
.gate{min-height:100dvh;display:flex;align-items:flex-start;justify-content:center;padding:2rem 1rem}
.gate-card{width:min(430px,100%);background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:1.6rem;text-align:center}
.gate-logo{width:150px;height:150px;object-fit:cover;border-radius:24px}
.gate-card h1{margin:.4rem 0 0;font-size:2.2rem;color:var(--teal)}
.gate-card h1 span{color:var(--gold)}
.tagline{letter-spacing:.35em;color:var(--gold);font-size:.8rem;margin:.1rem 0 1rem}
.gate-note{color:var(--muted);font-size:.92rem;text-align:left}
.gate-tabs{display:flex;gap:.5rem;margin:1rem 0 .4rem}
.gate-tab{flex:1;padding:.55rem;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer}
.gate-tab.active{background:var(--panel2);color:var(--text);border-color:var(--teal-dark)}
.gate-form{text-align:left}
.gate-form .btn{width:100%;margin-top:.6rem}
.install-card{text-align:left;border:1px solid var(--gold);border-radius:var(--radius);padding:.85rem 1rem;margin:.9rem 0;background:rgba(217,167,66,.07)}
.install-card p{color:var(--muted);font-size:.9rem;margin:.35rem 0 .6rem}
.demo-codes{text-align:left;margin-top:1.2rem;color:var(--muted);font-size:.88rem}
.demo-codes ul{margin:.4rem 0;padding-left:1.1rem}

/* App shell */
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:.6rem;background:rgba(7,11,22,.94);border-bottom:1px solid var(--line);padding:.5rem .8rem}
.top-logo{width:40px;height:40px;border-radius:10px;object-fit:cover}
.top-title{display:flex;flex-direction:column;line-height:1.1;margin-right:auto}
.top-title strong{color:var(--teal);font-size:1.05rem}
.top-title small{letter-spacing:.25em;color:var(--gold);font-size:.62rem}
.icon-btn{position:relative;background:transparent;border:none;font-size:1.25rem;cursor:pointer;color:var(--text)}
.badge{position:absolute;top:-4px;right:-8px;background:var(--danger);color:#fff;font-size:.68rem;border-radius:999px;padding:.05rem .38rem}
.user-chip{display:flex;flex-direction:column;line-height:1.1;text-align:right}
.user-chip small{color:var(--gold);font-size:.72rem}
.main-nav{display:flex;gap:.4rem;overflow-x:auto;padding:.6rem .8rem;border-bottom:1px solid var(--line)}
.main-nav button{white-space:nowrap;background:var(--panel);border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:.45rem .95rem;cursor:pointer}
.main-nav button.active{color:#08131a;background:var(--teal);border-color:var(--teal);font-weight:700}
main{max-width:880px;margin:0 auto;padding:1rem .9rem 3rem}
.view h2{margin:.3rem 0 .8rem}
.view-head{display:flex;align-items:center;justify-content:space-between;gap:.6rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.7rem;margin:1rem 0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1rem;display:flex;flex-direction:column;gap:.2rem}
.card strong{font-size:1.7rem;color:var(--teal)}
.card span{color:var(--muted);font-size:.85rem}
.roadmap{color:var(--muted)}
.search{margin:.4rem 0}
.list{display:flex;flex-direction:column;gap:.6rem;margin-top:.6rem}
.song-card,.alert-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:.8rem .95rem}
.song-card h4{margin:0 0 .2rem;font-size:1.05rem}
.song-card .meta{color:var(--muted);font-size:.85rem}
.chip{display:inline-block;background:var(--panel2);border:1px solid var(--line);color:var(--gold2);border-radius:999px;padding:.05rem .55rem;font-size:.75rem;margin:.15rem .2rem 0 0}
.chip.archived{color:var(--danger)}
.song-actions{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.55rem}
.song-actions button{background:transparent;border:1px solid var(--line);color:var(--text);border-radius:999px;padding:.3rem .75rem;cursor:pointer;font-size:.85rem}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1rem;margin-top:1rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:.2rem .8rem}
@media (max-width:560px){.grid2{grid-template-columns:1fr}}
.empty{color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius);padding:1.2rem;text-align:center}

/* Lyrics */
.lyric-reader{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem;min-height:160px;white-space:pre-wrap}
.lyric-reader h4{color:var(--gold);margin:.9rem 0 .2rem;text-transform:uppercase;letter-spacing:.12em;font-size:.8rem}
.lyric-reader h4:first-child{margin-top:0}
.lyric-reader.fullscreen{position:fixed;inset:0;z-index:20;border-radius:0;overflow:auto;background:#04060d;padding:2rem 1.2rem}

/* Chat */
.room-tabs{display:flex;gap:.4rem;margin-bottom:.6rem;flex-wrap:wrap}
.room-tabs button{background:var(--panel);border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:.4rem .9rem;cursor:pointer}
.room-tabs button.active{background:var(--gold);color:#221a05;font-weight:700;border-color:var(--gold)}
.chat-log{display:flex;flex-direction:column;gap:.55rem;max-height:52dvh;overflow:auto;padding:.4rem .1rem}
.msg{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:.55rem .75rem;max-width:88%}
.msg.mine{align-self:flex-end;border-color:var(--teal-dark)}
.msg .who{font-size:.75rem;color:var(--gold);margin-bottom:.15rem}
.msg .when{color:var(--muted);font-size:.7rem;margin-left:.4rem}
.chat-form{display:flex;gap:.5rem;margin-top:.7rem}
.chat-form input{flex:1}
.prefs label{display:flex;align-items:center;gap:.5rem;color:var(--text)}
.prefs input{width:auto}
.alert-card.unread{border-color:var(--teal-dark)}
.alert-card .when{color:var(--muted);font-size:.75rem}