*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#1a1b1e;--bg-alt:#222327;--fg:#d4d4d8;--fg-dim:#8b8b93;
  --border:#2e2f35;--border-hover:#3e3f47;
  --accent:#6c9eff;--accent-dim:rgba(108,158,255,.12);
  --danger:#ef5350;--danger-dim:rgba(239,83,80,.1);
  --success:#66bb6a;
  --card:#24252a;--card-hover:#2a2b31;
  --nav:#18191c;--nav-fg:#a0a0a8;
  --input-bg:#1e1f23;
  --radius:6px;--radius-lg:10px;
  --shadow:0 1px 3px rgba(0,0,0,.3),0 1px 2px rgba(0,0,0,.2);
  --shadow-lg:0 4px 12px rgba(0,0,0,.4);
  --mono:"SF Mono","JetBrains Mono",Consolas,"Fira Code",monospace;
}

@media(prefers-color-scheme:light){
  :root:not([data-theme="dark"]){
    --bg:#f5f5f7;--bg-alt:#eeeef0;--fg:#1d1d1f;--fg-dim:#86868b;
    --border:#d2d2d7;--border-hover:#c0c0c5;
    --accent:#0066cc;--accent-dim:rgba(0,102,204,.08);
    --danger:#d32f2f;--danger-dim:rgba(211,47,47,.06);
    --success:#2e7d32;
    --card:#fff;--card-hover:#fafafa;
    --nav:#1e1e1e;--nav-fg:#bbb;
    --input-bg:#fff;
    --shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
    --shadow-lg:0 4px 12px rgba(0,0,0,.08);
  }
}

[data-theme="light"]{
  --bg:#f5f5f7;--bg-alt:#eeeef0;--fg:#1d1d1f;--fg-dim:#86868b;
  --border:#d2d2d7;--border-hover:#c0c0c5;
  --accent:#0066cc;--accent-dim:rgba(0,102,204,.08);
  --danger:#d32f2f;--danger-dim:rgba(211,47,47,.06);
  --success:#2e7d32;
  --card:#fff;--card-hover:#fafafa;
  --nav:#1e1e1e;--nav-fg:#bbb;
  --input-bg:#fff;
  --shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
  --shadow-lg:0 4px 12px rgba(0,0,0,.08);
}

body{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--fg);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;font-size:.9rem}
a{color:var(--accent);text-decoration:none;transition:color .15s}
a:hover{text-decoration:underline}

/* nav */
nav{background:var(--nav);padding:0 1.25rem;border-bottom:1px solid rgba(255,255,255,.06)}
.nav-inner{max-width:960px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:48px}
.brand{color:#fff;font-weight:700;font-size:1rem;letter-spacing:-.02em}
.brand:hover{text-decoration:none;opacity:.85}
.nav-links{display:flex;align-items:center;gap:.2rem}
.nav-links a{color:var(--nav-fg);font-size:.82rem;padding:.35rem .6rem;border-radius:var(--radius);transition:background .15s,color .15s}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);text-decoration:none}
.theme-toggle{background:none;border:none;color:var(--nav-fg);cursor:pointer;font-size:1rem;padding:.35rem .5rem;border-radius:var(--radius);transition:background .15s,color .15s;line-height:1}
.theme-toggle:hover{color:#fff;background:rgba(255,255,255,.08)}

/* layout */
main{max-width:960px;margin:0 auto;padding:2rem 1.25rem;flex:1;width:100%}
.narrow{max-width:360px;margin:0 auto}
.center-page{text-align:center;padding:4rem 0}
.center-page h2{margin-bottom:1rem;font-weight:600}

/* form elements */
.input,textarea.mono{
  width:100%;padding:.55rem .75rem;
  background:var(--input-bg);color:var(--fg);
  border:1px solid var(--border);border-radius:var(--radius);
  font:inherit;font-size:.85rem;margin-bottom:.6rem;
  transition:border-color .15s,box-shadow .15s;
}
textarea.mono{font-family:var(--mono);resize:vertical;line-height:1.5}
.input:focus,textarea.mono:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
.input::placeholder,textarea.mono::placeholder{color:var(--fg-dim)}
label{display:block;margin-bottom:.3rem;font-weight:600;font-size:.82rem;color:var(--fg-dim);text-transform:uppercase;letter-spacing:.03em}

.btn{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.5rem 1.1rem;
  border:1px solid var(--border);border-radius:var(--radius);
  background:var(--card);color:var(--fg);
  font-size:.82rem;font-weight:500;cursor:pointer;
  transition:all .15s;
}
.btn:hover{background:var(--card-hover);border-color:var(--border-hover);text-decoration:none}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.primary:hover{opacity:.88}
.btn.danger{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 40%,transparent)}
.btn.danger:hover{background:var(--danger);color:#fff;border-color:var(--danger)}
.btn.sm{padding:.3rem .65rem;font-size:.78rem}

/* cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.1rem 1.25rem;margin-bottom:.75rem;box-shadow:var(--shadow)}
.card h3{margin-bottom:.6rem;font-size:.9rem;font-weight:600}
.divider{text-align:center;color:var(--fg-dim);font-size:.75rem;margin:.5rem 0;text-transform:uppercase;letter-spacing:.06em}

/* upload */
.upload-form{max-width:640px;margin:0 auto}
.drop-zone{
  display:block;padding:2.5rem;
  border:2px dashed var(--border);border-radius:var(--radius-lg);
  text-align:center;color:var(--fg-dim);cursor:pointer;
  transition:border-color .2s,color .2s,background .2s;
  font-size:.85rem;
}
.drop-zone:hover,.drop-zone.over{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}
.file-list{margin-top:.5rem;font-size:.78rem;color:var(--fg-dim);display:flex;flex-wrap:wrap;gap:.35rem}
.file-chip{display:inline-flex;align-items:center;gap:.3rem;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:.2rem .5rem;font-size:.78rem;color:var(--fg)}
.file-chip-rm{background:none;border:none;color:var(--fg-dim);cursor:pointer;font-size:.95rem;line-height:1;padding:0 .1rem;transition:color .15s}
.file-chip-rm:hover{color:var(--danger)}
.notice{padding:.8rem 1rem;background:var(--accent-dim);border:1px solid color-mix(in srgb,var(--accent) 25%,transparent);border-radius:var(--radius);color:var(--fg)}
.notice a{font-weight:600}

/* alerts */
.alert{padding:.6rem .9rem;border-radius:var(--radius);margin-bottom:.75rem;font-size:.85rem}
.alert.error{background:var(--danger-dim);border:1px solid color-mix(in srgb,var(--danger) 30%,transparent);color:var(--danger)}

/* file bar */
.file-bar{margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:1px solid var(--border)}
.file-bar strong{font-size:1.05rem;font-weight:600}
.meta{font-size:.78rem;color:var(--fg-dim)}
.meta a{color:var(--fg-dim);transition:color .15s}
.meta a:hover{color:var(--accent)}

/* code */
.code-wrap{position:relative;border-radius:var(--radius-lg);overflow-x:auto;font-size:.8rem;line-height:1.55;box-shadow:var(--shadow)}
.code-wrap pre{margin:0;padding:.9rem 1rem;border-radius:var(--radius-lg)}
.code-copy{position:absolute;top:.5rem;right:.5rem;background:var(--card);border:1px solid var(--border);color:var(--fg-dim);border-radius:var(--radius);padding:.25rem .5rem;font-size:.75rem;cursor:pointer;opacity:0;transition:opacity .15s,background .15s;z-index:1}
.code-wrap:hover .code-copy{opacity:1}
.code-copy:hover{background:var(--card-hover);color:var(--fg)}

/* media */
.media-box{display:flex;justify-content:center;border-radius:var(--radius-lg);overflow:hidden}
.media-box video,.media-box audio{max-width:100%;border-radius:var(--radius-lg)}
.media-box img{max-width:100%;height:auto;border-radius:var(--radius-lg)}
#player{width:100%}

/* tables */
table{width:100%;border-collapse:collapse;font-size:.82rem}
th,td{padding:.5rem .7rem;text-align:left;border-bottom:1px solid var(--border)}
th{font-weight:600;background:var(--card);position:sticky;top:0;color:var(--fg-dim);font-size:.75rem;text-transform:uppercase;letter-spacing:.04em}
tr:hover{background:var(--accent-dim)}
.w-check{width:28px}
td a{font-weight:500}

/* page bar */
.page-bar{display:flex;align-items:baseline;gap:1rem;margin-bottom:1.25rem}
.page-bar h2{font-size:1.1rem;font-weight:600}
.tabs{display:flex;gap:.15rem}
.tabs a{font-size:.82rem;padding:.35rem .7rem;color:var(--fg-dim);border-radius:var(--radius);transition:all .15s}
.tabs a.active{color:var(--accent);background:var(--accent-dim)}
.tabs a:hover{text-decoration:none;color:var(--fg);background:var(--card)}
.actions{display:flex;gap:.5rem;align-items:center;margin-bottom:.75rem;flex-wrap:wrap}
.ml-auto{margin-left:auto}

/* gallery */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.75rem}
.thumb{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;background:var(--card);transition:all .2s;box-shadow:var(--shadow)}
.thumb:hover{box-shadow:var(--shadow-lg);border-color:var(--border-hover);text-decoration:none;transform:translateY(-1px)}
.thumb img{width:100%;height:150px;object-fit:cover}
.thumb span{padding:.4rem .55rem;font-size:.72rem;color:var(--fg-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* info */
.info{margin-bottom:1.5rem}
.info th{width:90px;color:var(--fg-dim);font-weight:500;text-transform:none;letter-spacing:0;font-size:.82rem}
.info td{font-size:.82rem}
.info code{font-family:var(--mono);font-size:.78rem;background:var(--bg-alt);padding:.15rem .4rem;border-radius:3px}

/* collection */
.col-files{display:flex;flex-direction:column;gap:.75rem}
.col-item{overflow:hidden}
.col-item-head{padding:.65rem .9rem;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.col-preview{max-width:100%;max-height:300px;display:block;margin:.5rem auto}
.col-section-title{font-size:.85rem;font-weight:600;color:var(--fg-dim);text-transform:uppercase;letter-spacing:.04em;margin:1.25rem 0 .5rem;padding-bottom:.35rem;border-bottom:1px solid var(--border)}
.col-grid{margin-bottom:.75rem}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:2000;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .2s}
.lightbox.open{opacity:1;pointer-events:auto}
.lightbox-content{display:flex;flex-direction:column;align-items:center;max-width:92vw;max-height:92vh}
.lightbox-content img{max-width:92vw;max-height:82vh;object-fit:contain;border-radius:var(--radius);user-select:none}
.lightbox-caption{color:#e0e0e0;font-size:.84rem;margin-top:.6rem;text-align:center}
.lightbox-counter{color:#888;font-size:.75rem;margin-top:.2rem}
.lightbox-close,.lightbox-prev,.lightbox-next{position:fixed;background:none;border:none;color:#fff;cursor:pointer;font-size:2.2rem;line-height:1;padding:.5rem;opacity:.6;transition:opacity .15s;z-index:2001}
.lightbox-close:hover,.lightbox-prev:hover,.lightbox-next:hover{opacity:1}
.lightbox-close{top:.75rem;right:1rem;font-size:2rem}
.lightbox-prev{left:1rem;top:50%;transform:translateY(-50%);font-size:3rem}
.lightbox-next{right:1rem;top:50%;transform:translateY(-50%);font-size:3rem}
@media(max-width:600px){.lightbox-prev{left:.25rem;font-size:2rem}.lightbox-next{right:.25rem;font-size:2rem}}

/* modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;transition:opacity .15s;pointer-events:none}
.modal-overlay.open{opacity:1;pointer-events:auto}
.modal{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;width:90%;max-width:400px;box-shadow:var(--shadow-lg);transform:scale(.95);transition:transform .15s}
.modal-overlay.open .modal{transform:scale(1)}
.modal h3{font-size:.95rem;font-weight:600;margin-bottom:.5rem}
.modal p{font-size:.84rem;color:var(--fg-dim);margin-bottom:1rem}
.modal label.check{display:flex;align-items:center;gap:.5rem;font-size:.84rem;font-weight:400;text-transform:none;letter-spacing:0;color:var(--fg);cursor:pointer;margin-bottom:1rem}
.modal label.check input{width:16px;height:16px;accent-color:var(--accent)}
.modal-actions{display:flex;justify-content:flex-end;gap:.5rem}

/* login */
.narrow h2{font-weight:600;margin-bottom:1.25rem;font-size:1.15rem}

@media(max-width:600px){
  main{padding:1.25rem .75rem}
  table{font-size:.76rem}
  th,td{padding:.35rem .4rem}
  .grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}
  .page-bar{flex-direction:column;gap:.5rem}
}