:root{
  --accent:#E07A3C; --accent-2:#ee9a5e; --accent-deep:#d16a2e;
  --bg:#eef1f5; --panel:#ffffff; --card:#ffffff; --card-2:#f4f6f9;
  --text:#0f172a; --muted:#64748b; --muted-2:#94a3b8; --line:#e6e9ef;
  --ok:#16a34a; --danger:#dc2626; --warn:#f59e0b;
  --shadow:0 1px 3px rgba(16,24,40,.05),0 1px 2px rgba(16,24,40,.04);
  --shadow-accent:0 8px 20px rgba(224,122,60,.28);
  --scrollbar:#cbd3de;
}
:root[data-theme="dark"]{
  --bg:#0d0f14; --panel:#13161d; --card:#171b23; --card-2:#1f242e;
  --text:#e8ecf3; --muted:#9aa4b3; --muted-2:#6b7686; --line:#262c37;
  --ok:#34d399; --danger:#f87171; --warn:#fbbf24;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 2px 10px rgba(0,0,0,.35);
  --shadow-accent:0 8px 22px rgba(224,122,60,.32);
  --scrollbar:#333a47;
}
@media(prefers-color-scheme:dark){
  :root:not([data-theme]){
    --bg:#0d0f14; --panel:#13161d; --card:#171b23; --card-2:#1f242e;
    --text:#e8ecf3; --muted:#9aa4b3; --muted-2:#6b7686; --line:#262c37;
    --ok:#34d399; --danger:#f87171; --warn:#fbbf24;
    --shadow:0 1px 2px rgba(0,0,0,.5),0 2px 10px rgba(0,0,0,.35);
    --shadow-accent:0 8px 22px rgba(224,122,60,.32);
    --scrollbar:#333a47;
  }
}
*{margin:0;padding:0;box-sizing:border-box}
html{color-scheme:light dark}
body{font-family:'Inter',system-ui,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;transition:background-color .25s ease,color .25s ease}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
input,select,textarea,button{font-family:inherit}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--scrollbar);border-radius:8px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-track{background:transparent}

/* layout */
.admin{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.side{background:var(--panel);border-right:1px solid var(--line);padding:18px 14px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:6px;transition:background-color .25s ease,border-color .25s ease}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;padding:8px 8px 16px;color:var(--text)}
.brand .mark{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:var(--shadow-accent)}
.brand .mark svg{width:18px;height:18px;color:#fff}
.side nav{display:flex;flex-direction:column;gap:3px}
.side nav a,.theme-toggle{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:10px;color:var(--muted);font-weight:600;font-size:15px;transition:.12s}
.side nav a svg,.theme-toggle svg{width:19px;height:19px;flex:none}
.side nav a:hover,.theme-toggle:hover{background:var(--card-2);color:var(--text)}
.side nav a.on{background:var(--accent);color:#fff;box-shadow:var(--shadow-accent)}
.side nav a.on svg{color:#fff}
.side .spacer{flex:1}

/* theme toggle */
.theme-toggle{background:none;border:none;cursor:pointer;width:100%;text-align:left;font-family:inherit}
.theme-toggle .i-sun,.theme-toggle .t-light{display:none}
[data-theme="dark"] .theme-toggle .i-moon,[data-theme="dark"] .theme-toggle .t-dark{display:none}
[data-theme="dark"] .theme-toggle .i-sun{display:block}
[data-theme="dark"] .theme-toggle .t-light{display:inline}
@media(prefers-color-scheme:dark){
  :root:not([data-theme]) .theme-toggle .i-moon,:root:not([data-theme]) .theme-toggle .t-dark{display:none}
  :root:not([data-theme]) .theme-toggle .i-sun{display:block}
  :root:not([data-theme]) .theme-toggle .t-light{display:inline}
}

.content{padding:26px 30px;max-width:1220px}

/* headers */
.page-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.page-head h1{font-size:26px;font-weight:800;letter-spacing:-.02em}
h2{font-size:18px;margin:26px 0 12px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 16px;border-radius:10px;font-weight:700;font-size:14px;cursor:pointer;border:1px solid var(--line);background:var(--card);color:var(--text);transition:.12s;white-space:nowrap}
.btn:hover{border-color:var(--accent)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-2));border-color:transparent;color:#fff;box-shadow:var(--shadow-accent)}
.btn-accent:hover{filter:brightness(1.08)}
.btn-danger{color:var(--danger)}
.btn-danger:hover{border-color:var(--danger);background:color-mix(in srgb,var(--danger) 14%,transparent)}
.btn-sm{padding:7px 11px;font-size:13px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:10px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow)}
.stat .n{font-size:28px;font-weight:800;letter-spacing:-.02em}
.stat .l{color:var(--muted);font-size:13px;margin-top:2px}

/* cards / forms */
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;color:var(--text);padding:11px 13px;font-size:15px;outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 20%,transparent)}
.field textarea{min-height:90px;resize:vertical}
.hint{color:var(--muted);font-size:12px;margin-top:5px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.switch{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-weight:600}
.switch input{width:auto}

/* tables / lists */
.list{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.list .item{display:flex;align-items:center;gap:14px;padding:12px 14px;border-top:1px solid var(--line)}
.list .item:first-child{border-top:none}
.list .item:hover{background:var(--card-2)}
.thumb{width:52px;height:52px;border-radius:9px;object-fit:cover;flex:none;background:var(--card-2)}
.item .grow{flex:1;min-width:0}
.item .grow b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item .grow span{color:var(--muted);font-size:13px}
.tag{font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--card-2);color:var(--muted)}
.tag.pub{background:color-mix(in srgb,var(--ok) 18%,transparent);color:var(--ok)}
.tag.draft{background:color-mix(in srgb,var(--warn) 18%,transparent);color:var(--warn)}

/* track rows */
.tracks{margin-top:8px}
.trow{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;background:var(--bg)}
.trow+.trow{margin-top:6px}
.trow .no{width:26px;text-align:center;color:var(--muted);font-weight:700;font-variant-numeric:tabular-nums}
.trow input.tt{flex:1;background:transparent;border:1px solid transparent;border-radius:8px;color:var(--text);padding:6px 8px;font-size:15px}
.trow input.tt:focus{background:var(--card-2);border-color:var(--line);outline:none}
.trow .dur{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}
.trow .ord{display:flex;flex-direction:column;gap:1px}
.trow .ord button{background:var(--card-2);border:none;color:var(--muted);width:26px;height:17px;border-radius:5px;cursor:pointer;line-height:1;font-size:11px}
.trow .ord button:hover{color:var(--text)}
.iconbtn{background:none;border:none;color:var(--muted);cursor:pointer;padding:6px;border-radius:8px}
.iconbtn:hover{color:var(--danger);background:var(--card-2)}

/* drop zone */
.drop{border:2px dashed var(--line);border-radius:14px;padding:26px;text-align:center;color:var(--muted);cursor:pointer;transition:.15s;background:var(--bg)}
.drop:hover,.drop.over{border-color:var(--accent);color:var(--text);background:color-mix(in srgb,var(--accent) 8%,transparent)}
.drop b{color:var(--accent-2)}
.filelist{margin-top:12px;font-size:14px;color:var(--muted)}

/* login */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;
  background:radial-gradient(600px 400px at 50% 0%,color-mix(in srgb,var(--accent) 22%,transparent),transparent),var(--bg)}
.login-box{width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.login-box .brand{justify-content:center;font-size:24px;padding-bottom:20px}
.login-box .err{background:color-mix(in srgb,var(--danger) 15%,transparent);color:var(--danger);padding:10px;border-radius:10px;font-size:14px;margin-bottom:12px;text-align:center}
.saved{background:color-mix(in srgb,var(--ok) 16%,transparent);color:var(--ok);padding:10px 14px;border-radius:10px;margin-bottom:16px;font-weight:600}

@media(max-width:760px){
  .admin{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;overflow-x:auto;align-items:center}
  .side .brand{width:100%}
  .side nav{flex-direction:row;flex-wrap:wrap}
  .side .spacer{display:none}
  .theme-toggle{width:auto}
  .grid2{grid-template-columns:1fr}
  .content{padding:18px}
}