:root{
  --blue:#3A6ABE;--blue-dark:#2C5294;--ink:#1f2937;--muted:#6b7787;--line:#e2e8f2;
  --bg:#eef3fb;--card:#fff;--green:#1E7A34;--red:#A21C1C;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}

.topbar{display:flex;align-items:center;gap:24px;background:linear-gradient(120deg,#243b53,#33597f);
  color:#fff;padding:12px 24px}
.brand{font-size:18px;font-weight:700}
.brand .logo{color:#9fc0ee}
.brand .muted{opacity:.7;font-weight:400}
.nav{display:flex;gap:6px;margin-left:8px}
.nav a{color:#dce8fb;text-decoration:none;padding:6px 12px;border-radius:6px;font-size:14px}
.nav a:hover{background:rgba(255,255,255,.12)}
.user{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:13px}
.user .who{opacity:.85}
.logout-form{margin:0}

.container{max-width:1000px;margin:24px auto;padding:0 20px}
.foot{max-width:1000px;margin:30px auto;padding:0 20px;color:var(--muted);font-size:12px}

.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px 26px;margin-bottom:20px;
  box-shadow:0 1px 10px rgba(27,58,102,.05)}
h1{font-size:22px;color:var(--blue-dark);margin:0 0 4px}
h2{font-size:16px;color:var(--blue-dark);margin:20px 0 8px}
p.sub{color:var(--muted);margin:0 0 18px}

table{border-collapse:collapse;width:100%;font-size:14px}
th,td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:middle}
th{color:var(--blue-dark);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.03em}
tr:hover td{background:#f7fafe}
.prod-tag{display:inline-block;background:#e1ecfb;color:var(--blue-dark);font-weight:600;font-size:12px;padding:2px 9px;border-radius:10px}

label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}
input[type=text],input[type=password],input[type=file],select,textarea{
  width:100%;padding:8px 10px;border:1px solid #cbd5e6;border-radius:7px;font-size:14px;font-family:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(58,106,190,.15)}
.row{display:flex;gap:14px}.row>div{flex:1}

.btn{display:inline-block;border:none;border-radius:7px;padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-ghost{background:rgba(255,255,255,.15);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.28)}
.btn-sm{padding:5px 10px;font-size:13px}
.btn-link{background:none;border:none;color:var(--blue);cursor:pointer;font-size:13px;padding:0;text-decoration:underline}
.btn-danger{background:#fbeaea;color:var(--red)}
.dl{background:var(--green);color:#fff;text-decoration:none;border-radius:6px;padding:6px 12px;font-size:13px;font-weight:600}
.dl:hover{filter:brightness(.94)}

.alert{padding:10px 14px;border-radius:8px;margin:12px 0;font-size:14px}
.alert-ok{background:#e7f5ec;border-left:4px solid var(--green);color:#15622a}
.alert-err{background:#fcebea;border-left:4px solid var(--red);color:#8a1818}
.empty{color:var(--muted);padding:20px;text-align:center}
.inactive{color:var(--red);font-weight:600}
.active{color:var(--green);font-weight:600}

/* ===== Login / branding ===== */
.login-bg{
  min-height:100vh;margin:0;display:flex;align-items:center;justify-content:center;padding:24px;
  background:
    radial-gradient(900px 500px at 50% -15%, rgba(110,151,214,.45), transparent 60%),
    linear-gradient(135deg,#243b53 0%,#2c5294 55%,#1b2c40 100%);
}
.login-bg::before{
  /* subtle disc-grooves texture in the backdrop */
  content:"";position:fixed;inset:0;pointer-events:none;opacity:.06;
  background:repeating-radial-gradient(circle at 50% 40%, #fff 0 1px, transparent 1px 14px);
}
.login-card{position:relative;width:100%;max-width:390px;background:#fff;border-radius:18px;
  padding:36px 34px 26px;box-shadow:0 22px 60px rgba(0,0,0,.38);text-align:center}
.brand-logo{width:76px;height:76px;display:block;margin:0 auto 16px;
  filter:drop-shadow(0 6px 14px rgba(44,82,148,.35))}
.wordmark{font-size:34px;font-weight:800;letter-spacing:-1px;color:var(--blue-dark);line-height:1}
.tagline{font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--muted);margin-top:5px}
.portal-sub{margin:16px auto 22px;font-size:12.5px;font-weight:600;letter-spacing:.04em;color:#5b6b7b;
  text-transform:uppercase;border-top:1px solid var(--line);padding-top:14px;width:80%}
.login-card form{text-align:left}
.login-card .btn-primary{width:100%;margin-top:20px;padding:11px}
.login-foot{margin-top:20px;font-size:11px;color:#9aa7b5;letter-spacing:.02em}

/* simple centering wrapper used by the Error page */
.login-wrap{max-width:380px;margin:9vh auto}
.login-wrap .login-card{box-shadow:0 8px 34px rgba(27,58,102,.14)}
.login-card h1{text-align:center;margin-bottom:14px}

/* ===================== Downloads page (folders) ===================== */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:0 0 18px}
.page-head h1{margin:0}
.page-head .sub{margin:2px 0 0}
.head-stat{display:flex;align-items:baseline;gap:6px;color:var(--muted);font-size:12px;background:#fff;
  border:1px solid var(--line);border-radius:12px;padding:10px 16px;box-shadow:0 1px 8px rgba(27,58,102,.05)}
.head-stat .num{font-size:19px;font-weight:800;color:var(--blue-dark)}
.head-stat .lbl{margin-right:12px}

.folder{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;
  box-shadow:0 1px 10px rgba(27,58,102,.05);transition:box-shadow .15s ease}
.folder[open]{box-shadow:0 8px 26px rgba(27,58,102,.12)}
.folder>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:15px 20px;
  background:linear-gradient(180deg,#fbfdff,#eef4fc);user-select:none}
.folder>summary:hover{background:linear-gradient(180deg,#f4f9ff,#e7f0fb)}
.folder>summary::-webkit-details-marker{display:none}
.folder-ico{font-size:20px;line-height:1}
.folder-title{font-size:16px;font-weight:700;color:var(--blue-dark)}
.badge-latest{background:var(--green);color:#fff;font-size:10.5px;font-weight:700;padding:2px 9px;border-radius:20px;
  letter-spacing:.04em;text-transform:uppercase}
.folder-meta{margin-left:auto;color:var(--muted);font-size:12.5px;white-space:nowrap}
.chev{color:var(--muted);font-size:13px;transition:transform .18s ease}
.folder[open] .chev{transform:rotate(180deg)}
.folder-body{padding:6px 10px 10px}

.file-row{display:grid;grid-template-columns:34px 1fr auto auto auto;align-items:center;gap:14px;padding:12px;border-radius:10px}
.file-row:hover{background:#f6faff}
.file-row + .file-row{border-top:1px solid #f0f4fa}
.file-ico{font-size:19px;opacity:.65;text-align:center}
.file-main{min-width:0}
.file-title{font-size:14.5px}
.file-sub{color:var(--muted);font-size:12.5px;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-sub .dot{margin:0 5px}
.file-size{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums;min-width:62px;text-align:right}
.file-date{color:var(--muted);font-size:12.5px;min-width:92px;text-align:right}
.dl{display:inline-flex;align-items:center;gap:7px;background:var(--green);color:#fff;text-decoration:none;border-radius:9px;
  padding:9px 17px;font-size:13px;font-weight:600;white-space:nowrap;box-shadow:0 2px 10px rgba(30,122,52,.28);transition:.15s ease}
.dl:hover{filter:brightness(.96);transform:translateY(-1px)}
.dl-ico{font-size:15px;line-height:1}

.empty-state{text-align:center;padding:46px 24px}
.empty-state .empty-ico{font-size:46px}
.empty-state h2{margin:10px 0 4px;border:0}

@media(max-width:780px){
  .file-row{grid-template-columns:28px 1fr auto;gap:10px}
  .file-size,.file-date{display:none}
  .page-head{flex-direction:column;align-items:flex-start}
}

/* ===================== Admin Upload page polish ===================== */
.btn-xs{display:inline-block;border:1px solid #cbd5e6;background:#fff;border-radius:7px;padding:5px 11px;
  font-size:12.5px;font-weight:600;cursor:pointer;color:var(--blue-dark);text-decoration:none;line-height:1.4;white-space:nowrap}
.btn-xs:hover{background:#f1f6fd;border-color:var(--blue)}
.btn-go{background:var(--green);border-color:var(--green);color:#fff}
.btn-go:hover{filter:brightness(.95);background:var(--green);color:#fff}
.btn-xs.btn-danger{background:#fff;border-color:#e7c3c3;color:var(--red)}
.btn-xs.btn-danger:hover{background:#fbeaea}

.files-table{font-size:13px}
.files-table th,.files-table td{vertical-align:middle}
.files-table td.num,.files-table th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.files-table .nowrap{white-space:nowrap}
.files-table td.muted{color:var(--muted)}
.files-table .file-cell{word-break:break-all}
.files-table .actions-col{text-align:right;white-space:nowrap}
.row-actions{display:inline-flex;gap:6px;align-items:center;justify-content:flex-end}

/* ---- Uploaded files: card list (no table, no horizontal scroll) ---- */
.up-list{display:flex;flex-direction:column;gap:10px}
.up-item{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line);
  border-radius:12px;background:#fff;box-shadow:0 1px 6px rgba(27,58,102,.04)}
.up-item:hover{background:#f8fbff}
.up-ico{font-size:20px;opacity:.6;padding-top:2px;line-height:1}
.up-main{flex:1;min-width:0}
.up-title{font-size:14.5px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.up-file{color:var(--ink);opacity:.75;word-break:break-all;font-size:13.5px}
.up-meta{color:var(--muted);font-size:12.5px;margin-top:4px}
.up-meta .sep{margin:0 7px;opacity:.5}
.up-folder{display:flex;align-items:center;gap:7px;margin-top:10px}
.up-folder .lbl{font-size:12px;color:var(--muted)}
.up-folder .folder-input{flex:0 1 240px;min-width:120px;padding:6px 9px;font-size:13px}
.up-actions{display:flex;flex-direction:column;gap:7px;align-items:stretch;white-space:nowrap}
.up-actions .btn-xs{text-align:center}
.move-form{display:flex;gap:6px;align-items:center;margin:0}
@media(max-width:680px){
  .up-item{flex-wrap:wrap}
  .up-folder .folder-input{flex:1 1 auto}
  .up-actions{flex-direction:row;width:100%}
}

.file-input{padding:8px 10px;cursor:pointer;background:#fbfdff}
.file-input::file-selector-button{border:1px solid #cbd5e6;background:#fff;border-radius:6px;
  padding:6px 12px;margin-right:12px;cursor:pointer;font-weight:600;color:var(--blue-dark)}
.file-input::file-selector-button:hover{background:#f1f6fd;border-color:var(--blue)}
.upload-btn{margin-top:18px;padding:10px 22px}