:root{
  --bg:#011026;
  --bg-2:#04173a;
  --panel:rgba(255,255,255,.04);
  --panel-brd:rgba(255,255,255,.08);
  --text:#e8ecf5;
  --text-dim:#9aa8c7;
  --accent:#4da3ff;
  --accent-2:#a86bff;
  --grad:linear-gradient(90deg,#4da3ff,#a86bff);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--text);
  font-family:'Pretendard','Noto Sans KR',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  -webkit-font-smoothing:antialiased;scroll-behavior:smooth}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 32px;background:rgba(1,16,38,.72);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--panel-brd)}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;letter-spacing:.5px}
.brand img{width:38px;height:38px;border-radius:10px}
.brand small{display:block;font-size:11px;font-weight:600;letter-spacing:3px;color:var(--accent)}
.header-actions{display:flex;gap:10px;align-items:center}
.btn{padding:9px 18px;border-radius:999px;font-weight:700;font-size:14px;transition:.2s}
.btn-ghost{border:1px solid var(--panel-brd);color:var(--text-dim)}
.btn-ghost:hover{color:#fff;border-color:var(--accent)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 20px rgba(77,163,255,.35)}
.btn-primary:hover{filter:brightness(1.1)}

/* ---------- Hero ---------- */
.hero{position:relative;width:100%;overflow:hidden;
  border-bottom:1px solid var(--panel-brd)}
.hero img{width:100%;height:auto;display:block}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,var(--bg) 100%)}

/* ---------- Section ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:44px 0}
.section:first-child{padding-top:16px}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.section-head h2{font-size:24px;font-weight:800}
@media(max-width:560px){.section-head h2{font-size:17px}}
.view-all{color:var(--accent);font-weight:700;font-size:14px;display:flex;align-items:center;gap:6px}

/* ---------- Featured (big player + cards) ---------- */
.featured{display:grid;grid-template-columns:minmax(0,1.15fr) repeat(auto-fit,minmax(150px,1fr));
  gap:18px;background:var(--panel);border:1px solid var(--panel-brd);
  border-radius:20px;padding:20px}
@media(max-width:900px){.featured{grid-template-columns:1fr}}

.player-card{display:flex;gap:22px;align-items:center;
  background:rgba(255,255,255,.03);border:1px solid var(--panel-brd);
  border-radius:16px;padding:20px;position:relative;grid-column:1/2}
@media(max-width:640px){.player-card{flex-direction:column;text-align:center}}
.player-card .cover-wrap{position:relative;flex:0 0 190px}
.player-card .cover-wrap img{width:190px;height:190px;object-fit:cover;border-radius:14px;
  box-shadow:0 10px 30px rgba(0,0,0,.45)}
.badge-new{position:absolute;top:10px;left:10px;background:rgba(168,107,255,.9);
  color:#fff;font-size:11px;font-weight:800;padding:4px 10px;border-radius:999px}
.player-info{flex:1;min-width:0}
.player-info h3{font-size:26px;font-weight:800;line-height:1.15}
.player-info .artist{color:var(--text-dim);margin:4px 0 14px;font-size:15px}

.wave{display:flex;align-items:flex-end;gap:2px;height:38px;margin-bottom:12px}
.wave span{flex:1;background:var(--grad);border-radius:2px;opacity:.55;
  animation:wave 1.1s ease-in-out infinite}
.player-info.playing .wave span{opacity:.9}
@keyframes wave{0%,100%{height:20%}50%{height:100%}}

.progress-row{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.play-btn{flex:0 0 auto;width:52px;height:52px;border-radius:50%;background:#fff;
  display:flex;align-items:center;justify-content:center;color:#011026;
  box-shadow:0 6px 18px rgba(0,0,0,.4);transition:.15s}
.play-btn:hover{transform:scale(1.06)}
.play-btn svg{width:22px;height:22px}
.progress{flex:1;height:5px;background:rgba(255,255,255,.12);border-radius:999px;position:relative;cursor:pointer}
.progress .fill{position:absolute;left:0;top:0;bottom:0;width:0;border-radius:999px;background:var(--grad)}
.times{display:flex;justify-content:space-between;font-size:12px;color:var(--text-dim);
  min-width:96px;flex-direction:column;gap:2px}
.times{flex:0 0 auto}
.time-inline{display:flex;justify-content:space-between;font-size:12px;color:var(--text-dim);margin-top:4px}

.player-actions{display:flex;align-items:center;gap:20px;color:var(--text-dim)}
.player-actions button{display:flex;align-items:center;gap:7px;font-size:14px;transition:.15s}
.player-actions button:hover{color:#fff}
.player-actions .liked{color:#ff5f8f}

/* small cards */
.song-card{background:rgba(255,255,255,.03);border:1px solid var(--panel-brd);
  border-radius:14px;padding:12px;transition:.2s;cursor:pointer;position:relative}
.song-card:hover{transform:translateY(-4px);border-color:rgba(77,163,255,.5);
  box-shadow:0 12px 28px rgba(0,0,0,.4)}
.song-card .thumb{position:relative;border-radius:11px;overflow:hidden;aspect-ratio:1/1;margin-bottom:12px}
.song-card .thumb img{width:100%;height:100%;object-fit:cover}
.song-card .thumb .overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(1,16,38,.35);opacity:0;transition:.2s}
.song-card:hover .thumb .overlay{opacity:1}
.song-card .thumb .overlay .circle{width:46px;height:46px;border-radius:50%;
  border:2px solid #fff;display:flex;align-items:center;justify-content:center;background:rgba(1,16,38,.4)}
.song-card .thumb .overlay .circle svg{width:18px;height:18px}
.song-card h4{font-size:15px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.song-card p{color:var(--text-dim);font-size:13px;margin-top:2px}
.song-card.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.card-del{position:absolute;top:8px;right:8px;width:26px;height:26px;border-radius:50%;
  background:rgba(0,0,0,.55);color:#fff;font-size:14px;display:none;align-items:center;justify-content:center;z-index:2}
body.admin .song-card:hover .card-del{display:flex}

/* ---------- Full list grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px}
.empty{text-align:center;color:var(--text-dim);padding:60px 0}
.empty svg{width:56px;height:56px;opacity:.4;margin-bottom:14px}

/* register tile */
.register-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  border:2px dashed var(--panel-brd);border-radius:14px;min-height:220px;color:var(--text-dim);
  transition:.2s;cursor:pointer}
.register-tile:hover{border-color:var(--accent);color:#fff;background:rgba(77,163,255,.06)}
.register-tile .plus{width:52px;height:52px;border-radius:50%;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:28px}

/* ---------- List tools (선택/전체선택/연속재생) ---------- */
.list-tools{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.list-tools .selall{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-dim);cursor:pointer;user-select:none}
.list-tools .selall input{width:17px;height:17px;accent-color:var(--accent);cursor:pointer}
.list-tools .sel-count{font-size:13px;color:var(--text-dim)}
.list-tools #playSelected{margin-left:auto;padding:9px 18px;font-size:14px;border-radius:999px}
.list-tools #playSelected:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}

/* ---------- Cover grid (230x270) ---------- */
.cover-grid{display:grid;grid-template-columns:repeat(auto-fill,230px);gap:22px;justify-content:center}
@media(max-width:560px){.cover-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}}
.cover-card{width:100%;cursor:pointer;transition:.2s;text-align:center}
.cover-card:hover{transform:translateY(-5px)}
.cover-thumb{position:relative;width:230px;height:270px;max-width:100%;border-radius:14px;overflow:hidden;
  border:1px solid var(--panel-brd);box-shadow:0 10px 26px rgba(0,0,0,.4)}
@media(max-width:560px){.cover-thumb{width:100%;height:auto;aspect-ratio:230/270}}
.cover-thumb img{width:100%;height:100%;object-fit:cover;display:block}
/* 선택 체크박스 */
.cover-thumb .pick{position:absolute;top:8px;left:8px;z-index:3;cursor:pointer;
  width:26px;height:26px;display:flex;align-items:center;justify-content:center}
.cover-thumb .pick input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.cover-thumb .pick .pick-box{width:22px;height:22px;border-radius:6px;
  border:2px solid rgba(255,255,255,.75);background:rgba(1,16,38,.55);transition:.15s;
  display:flex;align-items:center;justify-content:center}
.cover-thumb .pick input:checked + .pick-box{background:var(--grad);border-color:transparent}
.cover-thumb .pick input:checked + .pick-box::after{content:"";width:6px;height:11px;
  border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg);margin-top:-2px}
.cover-card.selected .cover-thumb{box-shadow:0 0 0 2px var(--accent),0 10px 26px rgba(0,0,0,.4)}
.cover-thumb .overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(1,16,38,.35);opacity:0;transition:.2s}
.cover-card:hover .cover-thumb .overlay{opacity:1}
.cover-thumb .overlay .circle{width:54px;height:54px;border-radius:50%;border:2px solid #fff;
  display:flex;align-items:center;justify-content:center;background:rgba(1,16,38,.45)}
.cover-thumb .overlay .circle svg{width:20px;height:20px}
.cover-card h4{font-size:16px;font-weight:800;color:#fff;margin-top:14px;letter-spacing:-.2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:.18s}
.cover-card:hover h4{background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent}
.cover-card p{display:inline-flex;align-items:center;gap:5px;margin-top:8px;
  font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  color:var(--accent);background:rgba(77,163,255,.10);
  border:1px solid rgba(77,163,255,.28);padding:3px 10px;border-radius:999px}
.cover-card p::before{content:"";width:12px;height:12px;flex:0 0 auto;
  background:var(--grad);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 18V5l12-2v13' fill='none' stroke='black' stroke-width='2'/%3E%3Ccircle cx='6' cy='18' r='3'/%3E%3Ccircle cx='18' cy='16' r='3'/%3E%3C/svg%3E") center/contain no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 18V5l12-2v13' fill='none' stroke='black' stroke-width='2'/%3E%3Ccircle cx='6' cy='18' r='3'/%3E%3Ccircle cx='18' cy='16' r='3'/%3E%3C/svg%3E") center/contain no-repeat}

/* ---------- Play modal ---------- */
.play-modal{max-width:380px;text-align:center}
.pm-cover-wrap{display:flex;justify-content:center;margin-bottom:18px}
.pm-cover{width:230px;max-width:100%;height:auto;aspect-ratio:230/270;object-fit:cover;border-radius:14px;
  box-shadow:0 14px 40px rgba(0,0,0,.55)}
.play-modal h3{font-size:24px;font-weight:800;margin-bottom:10px;letter-spacing:-.3px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent}
.pm-artist{display:inline-flex;align-items:center;gap:6px;width:fit-content;margin:0 auto 6px;
  font-size:12px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;
  color:var(--accent);background:rgba(77,163,255,.10);
  border:1px solid rgba(77,163,255,.28);padding:4px 12px;border-radius:999px}
.pm-artist::before{content:"";width:13px;height:13px;flex:0 0 auto;
  background:var(--grad);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 18V5l12-2v13' fill='none' stroke='black' stroke-width='2'/%3E%3Ccircle cx='6' cy='18' r='3'/%3E%3Ccircle cx='18' cy='16' r='3'/%3E%3C/svg%3E") center/contain no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 18V5l12-2v13' fill='none' stroke='black' stroke-width='2'/%3E%3Ccircle cx='6' cy='18' r='3'/%3E%3Ccircle cx='18' cy='16' r='3'/%3E%3C/svg%3E") center/contain no-repeat}
.pm-pos{color:var(--accent);font-size:12px;font-weight:700;margin-bottom:16px;min-height:15px}
.nav-btn{flex:0 0 auto;width:40px;height:40px;border-radius:50%;color:var(--text-dim);
  display:flex;align-items:center;justify-content:center;transition:.15s}
.nav-btn:hover:not(:disabled){color:#fff;background:rgba(255,255,255,.08)}
.nav-btn:disabled{opacity:.28;cursor:not-allowed}
.nav-btn svg{width:22px;height:22px}
.play-modal .progress-row{margin-bottom:8px}
.play-modal .time-inline{margin-bottom:18px}
.pm-actions{display:flex;align-items:center;justify-content:center;gap:22px;color:var(--text-dim);flex-wrap:wrap}
.pm-actions button,.pm-actions a{display:flex;align-items:center;gap:7px;font-size:14px;transition:.15s}
.pm-actions button:hover,.pm-actions a:hover{color:#fff}
.pm-actions .liked{color:#ff5f8f}
.pm-del{color:#ff6b8a!important}
.pm-del:hover{color:#ff4d75!important}

/* ---------- Modal ---------- */
.modal-back{position:fixed;inset:0;background:rgba(1,8,20,.72);backdrop-filter:blur(6px);
  display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal-back.open{display:flex}
.modal{width:100%;max-width:440px;background:linear-gradient(180deg,#06183a,#03102a);
  border:1px solid var(--panel-brd);border-radius:20px;padding:28px;
  box-shadow:0 30px 70px rgba(0,0,0,.6);animation:pop .2s ease}
.modal.wide{max-width:520px}
@keyframes pop{from{transform:translateY(14px);opacity:0}to{transform:none;opacity:1}}
.modal h3{font-size:20px;font-weight:800;margin-bottom:4px}
.modal .sub{color:var(--text-dim);font-size:13px;margin-bottom:20px}
.modal .close{position:absolute;top:16px;right:18px;font-size:22px;color:var(--text-dim)}
.modal-wrap{position:relative}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--text-dim)}
.field input[type=text],.field input[type=password]{width:100%;padding:12px 14px;
  background:rgba(255,255,255,.05);border:1px solid var(--panel-brd);border-radius:10px;
  color:#fff;font-size:14px;outline:none;transition:.15s}
.field input:focus{border-color:var(--accent)}
.file-drop{border:1px dashed var(--panel-brd);border-radius:10px;padding:16px;text-align:center;
  color:var(--text-dim);font-size:13px;cursor:pointer;transition:.15s}
.file-drop:hover{border-color:var(--accent);color:#fff}
.file-drop.has{color:var(--accent);border-color:var(--accent)}
.checkbox-row{display:flex;align-items:center;gap:9px;margin-bottom:18px;font-size:14px;color:var(--text-dim)}
.checkbox-row input{width:17px;height:17px;accent-color:var(--accent)}
.modal .btn-primary{width:100%;padding:13px;font-size:15px;border-radius:10px}
.modal-msg{font-size:13px;margin-bottom:12px;min-height:18px}
.modal-msg.err{color:#ff6b8a}
.modal-msg.ok{color:#57e39a}

/* cover picker */
.cover-picker{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:6px}
.cover-picker .c{aspect-ratio:1/1;border-radius:8px;overflow:hidden;border:2px solid transparent;cursor:pointer;transition:.15s}
.cover-picker .c img{width:100%;height:100%;object-fit:cover}
.cover-picker .c.sel{border-color:var(--accent);box-shadow:0 0 0 2px rgba(77,163,255,.4)}
.divider-or{text-align:center;color:var(--text-dim);font-size:12px;margin:14px 0}

footer{color:var(--text-dim);font-size:13px;padding:30px 0 60px;
  border-top:1px solid var(--panel-brd);margin-top:20px}
footer .foot-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
footer .fbrand{color:var(--accent);font-weight:700}
footer .cright{margin-top:6px;opacity:.6}
footer .foot-actions{display:flex;gap:10px;flex:0 0 auto}
.btn-admin{opacity:.6;font-size:13px;padding:7px 16px}
.btn-admin:hover{opacity:1}
@media(max-width:640px){
  footer .foot-inner{flex-direction:column;text-align:center}
}