:root{
  --bg:#f6f7f9;
  --surface:#ffffff;
  --border:#e3e6eb;
  --text:#1d2330;
  --muted:#6b7280;
  --accent:#2563eb;
  --accent-hover:#1d4ed8;
  --success:#0f9d58;
  --danger:#dc2626;
  --warn:#b45309;
  --radius:10px;
  --shadow:0 1px 2px rgba(15,23,42,.04), 0 1px 3px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);
  font-size:15px;line-height:1.5;
  min-height:100vh;display:flex;flex-direction:column;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;background:var(--surface);
  border-bottom:1px solid var(--border);
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--text);text-decoration:none;letter-spacing:-.01em}
.brand:hover{text-decoration:none;opacity:.9}
.brand-icon{width:30px;height:30px;display:block;flex-shrink:0;border-radius:8px;box-shadow:0 1px 2px rgba(15,23,42,.08),0 2px 4px rgba(15,23,42,.06)}
.brand-text{line-height:1}
@media (max-width:520px){
  .brand-text{display:none}
  .brand{gap:0}
}
.topbar nav{display:flex;align-items:center;gap:18px}
.topbar nav a{color:var(--text);font-weight:500}
.topbar nav .who{color:var(--muted);font-size:13px}
.topbar nav .link{background:none;border:0;padding:0;color:var(--accent);font:inherit;cursor:pointer}
.container{flex:1;max-width:1100px;width:100%;margin:24px auto;padding:0 24px;display:flex;flex-direction:column;gap:20px}
.footer{padding:18px 24px;text-align:center;color:var(--muted);font-size:13px;border-top:1px solid var(--border);background:var(--surface)}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
}
.card.narrow{max-width:440px;margin:32px auto;width:100%}
.card.center{text-align:center}
.card h1{margin:0 0 16px;font-size:20px}
.card h2{margin:24px 0 12px;font-size:16px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.muted{color:var(--muted)}

label{display:block;margin:12px 0;font-size:14px;color:var(--muted)}
input[type=email],input[type=password],input[type=text]{
  display:block;width:100%;margin-top:6px;padding:10px 12px;
  border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);
  font:inherit;outline:none;transition:border-color .15s,box-shadow .15s;
}
input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.15)}

button,.button{
  display:inline-block;padding:9px 16px;border-radius:8px;border:1px solid var(--border);
  background:#fff;color:var(--text);font:inherit;font-weight:500;cursor:pointer;
  transition:background .15s,border-color .15s,color .15s;
}
button:hover,.button:hover{background:#f0f2f5;text-decoration:none}
button.primary,.button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
button.primary:hover,.button.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
button.danger{color:var(--danger);border-color:#fecaca}
button.danger:hover{background:#fef2f2}
form.inline{display:inline}

.flash{padding:10px 14px;border-radius:8px;margin-bottom:8px;font-size:14px;border:1px solid transparent}
.flash-ok{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}
.flash-error{background:#fef2f2;border-color:#fecaca;color:#991b1b}

.dropzone{
  border:2px dashed var(--border);border-radius:var(--radius);
  padding:28px;text-align:center;background:#fafbfc;transition:background .15s,border-color .15s;
}
.dropzone.drag{background:#eff6ff;border-color:var(--accent)}

#uploads{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.upload{display:grid;grid-template-columns:1fr 90px 70px;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#fff}
.upload .label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.upload .meta{color:var(--muted);font-size:12px}
.upload progress{width:100%;height:8px;-webkit-appearance:none;appearance:none}
.upload progress::-webkit-progress-bar{background:#eef0f3;border-radius:4px}
.upload progress::-webkit-progress-value{background:var(--accent);border-radius:4px}
.upload .pct{text-align:right;font-variant-numeric:tabular-nums}
.upload.error{border-color:#fecaca;background:#fef2f2}
.upload.done{border-color:#a7f3d0;background:#ecfdf5}

table.files{width:100%;border-collapse:collapse;font-size:14px}
table.files th,table.files td{padding:10px 8px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}
table.files th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
table.files td.name{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
table.files td.share{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
table.files td.share input.sharelink{flex:1;min-width:200px;padding:6px 8px;font-size:13px}
table.files td.actions{display:flex;gap:6px;flex-wrap:wrap}

@media (max-width:720px){
  table.files thead{display:none}
  table.files,table.files tbody,table.files tr,table.files td{display:block;width:100%}
  table.files tr{border:1px solid var(--border);border-radius:8px;padding:10px;margin-bottom:10px}
  table.files td{border:0;padding:4px 0}
  table.files td.share{flex-direction:column;align-items:stretch}
}