:root{
  --bg:#121212;--panel:#1a1a1a;--panel2:#222220;--cream:#f0e9d8;--muted:#9a937f;
  --gold:#c9a962;--gold2:#e6cf9a;--red:#d96c5f;--green:#8fbf7f;--border:#2e2c26;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{font-size:16px}
body{background:var(--bg);color:var(--cream);font-family:Inter,ui-sans-serif,system-ui,'Segoe UI',Arial,sans-serif;margin:0;min-height:100vh;overflow-x:hidden}
a{color:var(--gold)}
button{font-family:inherit}

/* ---------- login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}
.login-card{width:100%;max-width:380px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:1.4rem 1.6rem;box-shadow:0 6px 24px rgba(0,0,0,.45)}
h1{font-weight:600;font-size:1.7rem;letter-spacing:.5px;text-align:center;color:var(--gold);margin:.3rem 0}
h1 span{color:var(--cream)}
.sub{text-align:center;color:var(--muted);margin:.2rem 0 1.2rem;font-size:.9rem}
input{background:var(--panel2);border:1px solid #3a362c;border-radius:10px;color:var(--cream);font-size:1rem;padding:.75rem .9rem;width:100%}
input:focus{outline:1px solid var(--gold);border-color:var(--gold)}
.err{color:var(--red);text-align:center;margin-top:.6rem;font-size:.9rem;min-height:1.2em}

/* ---------- buttons ---------- */
.btn{display:inline-block;background:linear-gradient(135deg,var(--gold),#a68b4b);color:#121212;border:none;border-radius:10px;padding:.7rem 1.4rem;font-weight:700;font-size:.95rem;cursor:pointer;letter-spacing:.3px}
.btn:hover{filter:brightness(1.1)}
.btn.ghost{background:var(--panel2);color:var(--gold);border:1px solid var(--border);font-weight:600}
.btn.danger{background:linear-gradient(135deg,var(--red),#b04a3f);color:#fff}
.btn.small{padding:.45rem .75rem;font-size:.82rem;min-height:34px}

/* ---------- header ---------- */
header.top{background:var(--panel);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30}
.toprow{display:flex;align-items:center;gap:.8rem;padding:.7rem 1rem}
header .logo{font-weight:700;color:var(--gold);font-size:1.1rem;white-space:nowrap}
.crumbs-wrap{padding:0 1rem .55rem;overflow-x:auto;scrollbar-width:none}
.crumbs-wrap::-webkit-scrollbar{display:none}
.crumbs{display:flex;gap:.1rem;align-items:center;white-space:nowrap;min-height:30px}
.crumbs button{background:none;border:none;color:var(--muted);cursor:pointer;font-size:.92rem;padding:.25rem .4rem;border-radius:6px;flex:0 0 auto}
.crumbs button:hover{color:var(--gold)}
.crumbs .cur{color:var(--cream)}
.usage{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:var(--muted);margin-left:auto}
.ubar{width:110px;height:8px;background:var(--panel2);border-radius:6px;overflow:hidden;border:1px solid var(--border)}
.ubar>div{height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2))}

/* ---------- bars ---------- */
.warnbanner{background:linear-gradient(90deg,#4a2f1a,#3a2814);color:var(--gold2);text-align:center;padding:.4rem 1rem;font-size:.82rem;font-weight:600;border-bottom:1px solid var(--border);letter-spacing:.3px}
.quickjump{display:flex;align-items:center;gap:.35rem;padding:.5rem 1rem;flex-wrap:wrap;border-bottom:1px solid var(--border);background:var(--panel)}
.qj-label{color:var(--muted);font-size:.8rem;margin-right:.2rem}
.qj-spacer{flex:1}
.hiddentoggle{display:flex;align-items:center;gap:.45rem;color:var(--gold);font-size:.85rem;font-weight:600;cursor:pointer;padding:.3rem .5rem;border-radius:8px}
.hiddentoggle:hover{background:rgba(201,169,98,.1)}
.hiddentoggle input{width:auto;accent-color:var(--gold);transform:scale(1.15);margin:0;padding:0}
.toolbar{display:flex;gap:.45rem;padding:.6rem 1rem;align-items:center;flex-wrap:wrap}
.tb-spacer{flex:1}
.searchbox{background:var(--panel2);border:1px solid var(--border);border-radius:10px;color:var(--cream);padding:.45rem .7rem;font-size:.9rem;width:180px;min-height:34px}

/* ---------- file list ---------- */
main{padding:.4rem .75rem 6rem;max-width:1200px;margin:0 auto}
.empty{color:var(--muted);text-align:center;padding:3rem 0;font-size:.95rem}
.listhead{display:grid;grid-template-columns:minmax(0,2.4fr) 110px minmax(0,1.4fr) 150px;font-size:.75rem;color:var(--muted);padding:.35rem .6rem;text-transform:uppercase;letter-spacing:.5px}
.row{display:grid;grid-template-columns:minmax(0,2.4fr) 110px minmax(0,1.4fr) 150px;align-items:center;padding:.6rem .6rem;border-radius:10px;cursor:pointer;min-height:44px}
.row:hover{background:var(--panel)}
.row.sel{background:rgba(201,169,98,.12);outline:1px solid rgba(201,169,98,.4)}
.row .name{display:flex;align-items:center;gap:.55rem;overflow:hidden;font-size:.95rem}
.row .name span:not(.icon){overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .icon{font-size:1.1rem;width:1.4rem;text-align:center;flex:0 0 auto}
.row .meta{color:var(--muted);font-size:.83rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding-right:.4rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.7rem}
.tile{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:.9rem .6rem;cursor:pointer;text-align:center;min-height:44px}
.tile:hover{border-color:var(--gold)}
.tile.sel{border-color:var(--gold);background:rgba(201,169,98,.1)}
.tile .icon{font-size:2rem}
.tile .name{margin-top:.4rem;font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tile .meta{color:var(--muted);font-size:.72rem;margin-top:.15rem}
.mono{font-family:ui-monospace,Consolas,monospace;font-size:.76rem}
.row.islink{opacity:.75}
.hiddenmark{color:var(--muted);font-size:.7rem}

/* ---------- overlays ---------- */
.dropzone{position:fixed;inset:0;background:rgba(18,18,18,.85);display:none;align-items:center;justify-content:center;z-index:100;border:3px dashed var(--gold);font-size:1.4rem;color:var(--gold);pointer-events:none}
.dropzone.on{display:flex}
.progress{position:fixed;bottom:0;left:0;right:0;background:var(--panel);border-top:1px solid var(--border);padding:.6rem 1rem;display:none;z-index:50}
.progress.on{display:block}
.pbar{height:10px;background:var(--panel2);border-radius:6px;overflow:hidden;margin-top:.35rem}
.pbar>div{height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2));width:0;transition:width .2s}
.pname{font-size:.85rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- dialogs ---------- */
dialog{background:var(--panel);color:var(--cream);border:1px solid var(--border);border-radius:14px;padding:1.2rem;width:min(720px,calc(100vw - 24px));max-width:calc(100vw - 24px);max-height:min(86vh,86dvh);margin:auto;overflow-y:auto}
dialog::backdrop{background:rgba(0,0,0,.72)}
dialog h3{margin:0 0 .8rem;color:var(--gold);font-weight:600}
dialog input{margin:.3rem 0}
.dlgbtns{display:flex;gap:.5rem;justify-content:flex-end;margin-top:1rem;flex-wrap:wrap}
.dlgbtns .btn{flex:0 0 auto;min-height:42px}
.previewimg{max-width:100%;max-height:65vh;border-radius:10px;display:block;margin:0 auto}
textarea.textview{width:100%;height:55vh;height:55dvh;background:var(--panel2);border:1px solid var(--border);color:var(--cream);font-family:ui-monospace,Consolas,monospace;font-size:.85rem;border-radius:10px;padding:.8rem;white-space:pre-wrap;resize:vertical}
dialog textarea.textview[readonly]{color:var(--muted)}

/* ---------- context menu ---------- */
.ctx{position:fixed;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:.35rem;z-index:200;min-width:190px;box-shadow:0 8px 30px rgba(0,0,0,.6);display:none}
.ctx button{display:block;width:100%;background:none;border:none;color:var(--cream);text-align:left;padding:.65rem .9rem;cursor:pointer;border-radius:8px;font-size:.92rem}
.ctx button:hover,.ctx button:active{background:rgba(201,169,98,.15);color:var(--gold)}

/* ---------- shares ---------- */
.sharerow{display:flex;align-items:center;gap:.5rem;padding:.45rem 0;border-bottom:1px solid var(--border);flex-wrap:wrap;font-size:.85rem}
.sharerow .u{color:var(--gold);word-break:break-all;cursor:pointer}
.sharerow .meta{color:var(--muted);font-size:.75rem}

/* ---------- mobile ---------- */
@media(max-width:760px){
  .usage{margin-left:0}
  .usage .ubar{width:60px}
  .searchbox{width:130px}
  /* collapse list rows to name + compact meta, hide perm & date columns */
  .listhead{grid-template-columns:minmax(0,1fr) 90px}
  .listhead :nth-child(3),.listhead :nth-child(4){display:none}
  .row{grid-template-columns:minmax(0,1fr) 90px;row-gap:.1rem}
  .row .meta.perms,.row .meta.mtime{display:none}
  .grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:.5rem}
  .tile{padding:.7rem .4rem}
  .tile .icon{font-size:1.6rem}
  .tile .meta.perms{display:none}
  main{padding:.3rem .5rem 6.5rem}
  .toolbar{gap:.35rem;padding:.5rem .6rem}
  .btn.small{padding:.45rem .6rem;font-size:.8rem}
}
@media(max-width:420px){
  .toprow{gap:.5rem;padding:.6rem .7rem}
  header .logo{font-size:1rem}
  .quickjump{padding:.45rem .5rem}
  .quickjump .btn.small{padding:.4rem .5rem;font-size:.75rem}
  .hiddentoggle span{font-size:.78rem}
  .searchbox{flex:1;min-width:100px;width:auto}
  .toolbar{padding:.5rem .5rem}
  .usage{display:none}
}

/* ===== Atlas polish layer ===== */
h1,h2,h3,header .logo{font-family:'Space Grotesk',Inter,ui-sans-serif,sans-serif}
body{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.card{border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.5)}
h1{font-size:clamp(1.8rem,5vw,2.2rem);font-weight:800;letter-spacing:-.02em;
   background:linear-gradient(135deg,#c9a962,#e6cf9a);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
h1 span{-webkit-text-fill-color:transparent;background-image:linear-gradient(135deg,#f0e9d8,#fffdf5);-webkit-background-clip:text;background-clip:text}
.row,.tile,.btn,.ctx button{transition:background .2s ease,border-color .2s ease,transform .2s ease,filter .2s ease}
.tile:hover{transform:translateY(-2px)}
.btn:not(:disabled):hover{filter:brightness(1.08)}
:focus-visible{outline:2px solid #c9a962;outline-offset:2px;border-radius:4px}
input{transition:border-color .2s ease}
@media(max-width:420px){.btn.small{min-height:44px}}

/* login card polish */
.login-card form{display:flex;flex-direction:column;gap:.9rem;margin-top:.4rem}
.login-card form .btn{width:100%;min-height:44px}