:root{
  --bg:#f4f5f7; --surface:#ffffff;
  --border:#e6e8ec; --border-2:#d1d5db;
  --text:#1f2937; --text-2:#6b7280; --text-3:#9ca3af;
  --accent:#2563eb; --accent-dark:#1d4ed8; --accent-soft:#eff4ff;
  --ok:#16a34a; --ok-soft:#ecfdf3;
  --err:#dc2626;
  --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Inter',-apple-system,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased;min-height:100vh}
.hidden{display:none !important}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;padding:0}
input[type=file]{display:none}

header{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 24px;display:flex;align-items:center;justify-content:space-between}
header .brand{font-size:15px;font-weight:600;color:var(--text)}
header .brand span{color:var(--text-3);font-weight:400}
header .hgroup{display:flex;align-items:center;gap:8px}
.back{font-size:13px;color:var(--text-2);font-weight:500;display:inline-flex;align-items:center;gap:5px;padding:7px 11px;border-radius:8px}
.back:hover{color:var(--text);background:#eceef1}
.status{font-size:12.5px;display:flex;align-items:center;gap:7px;color:var(--text-2)}
.status .dot{width:7px;height:7px;border-radius:50%;background:var(--text-3);flex-shrink:0}
.status.ok .dot{background:var(--ok)}
.status.demo .dot{background:#d97706}
.status.err{color:var(--err)} .status.err .dot{background:var(--err)}

.wrap{max-width:980px;margin:0 auto;padding:28px 24px 56px}

.hero{margin-bottom:22px}
.hero h1{font-size:22px;font-weight:700;margin:0 0 4px}
.hero p{font-size:14px;color:var(--text-2);margin:0}

.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.tile{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px;text-align:left;display:block;width:100%;cursor:pointer;box-shadow:0 1px 3px rgba(16,24,40,.04);transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}
.tile:hover{border-color:var(--accent);box-shadow:0 8px 20px rgba(16,24,40,.10);transform:translateY(-2px)}
.tile.soon{cursor:default}
.tile.soon:hover{border-color:var(--border);box-shadow:0 1px 3px rgba(16,24,40,.04);transform:none}
.tile.soon .tile-icon,.tile.soon .tile-title,.tile.soon .tile-desc{opacity:.65}
.tile-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:15px}
.tile-icon svg{width:24px;height:24px}
.tile-title{font-size:16px;font-weight:600;color:var(--text);display:flex;align-items:center;gap:9px}
.tile-desc{font-size:13px;color:var(--text-2);margin-top:5px;line-height:1.5}
.badge{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-2);background:#eceef1;padding:3px 8px;border-radius:6px}
.tile-open{margin-top:15px;font-size:13px;font-weight:600;color:var(--accent);display:flex;align-items:center;gap:5px}

#errBox:empty{display:none}
#errBox{margin-bottom:16px}
.err-line{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;padding:11px 15px;border-radius:10px;font-size:13px}

.drop{background:var(--surface);border:2px dashed var(--border-2);border-radius:16px;padding:60px 24px;text-align:center;cursor:pointer;transition:border-color .15s ease,background .15s ease}
.drop:hover,.drop.drag{border-color:var(--accent);background:var(--accent-soft)}
.drop .icon{width:46px;height:46px;margin:0 auto 16px;color:var(--accent);display:block}
.drop .title{font-size:16px;font-weight:600;color:var(--text)}
.drop .sub{display:block;margin-top:7px;color:var(--text-2);font-size:13px}

.actionbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.actionbar .meta{font-size:14.5px;font-weight:500;color:var(--text)}
.actionbar .actions{display:flex;align-items:center;gap:10px}
.btn-ghost{font-size:13px;color:var(--text-2);padding:9px 14px;border-radius:9px;font-weight:500}
.btn-ghost:hover:not(:disabled){color:var(--text);background:#eceef1}
.btn-primary{background:var(--accent);color:#fff;font-size:14px;font-weight:600;padding:11px 22px;border-radius:10px;display:inline-flex;align-items:center;gap:9px;box-shadow:0 1px 2px rgba(16,24,40,.12)}
.btn-primary:hover:not(:disabled){background:var(--accent-dark)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}
.btn-primary .k{opacity:.55;font-size:12px;font-weight:400}
.btn-ghost .k{display:none}
.spin{display:inline-block;width:13px;height:13px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:s .7s linear infinite;vertical-align:-2px;margin-right:7px}
@keyframes s{to{transform:rotate(360deg)}}

.preview-section h3{font-size:12px;font-weight:600;color:var(--text-2);margin:0 0 10px 0;text-transform:uppercase;letter-spacing:.05em}
.preview-tbl-wrap{overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 1px 3px rgba(16,24,40,.05)}
.preview-tbl{width:100%;border-collapse:collapse;font-size:13px}
.preview-tbl thead th{text-align:left;padding:12px 15px;font-size:11px;font-weight:600;color:var(--text-2);background:#f9fafb;border-bottom:1px solid var(--border);white-space:nowrap;text-transform:uppercase;letter-spacing:.04em;position:sticky;top:0}
.preview-tbl tbody td{padding:12px 15px;border-bottom:1px solid var(--border);white-space:nowrap;max-width:260px;overflow:hidden;text-overflow:ellipsis}
.preview-tbl tbody tr:last-child td{border-bottom:0}
.preview-tbl tbody tr:hover td{background:#fafbfc}
.preview-tbl td.idx{color:var(--text-3);width:46px;font-variant-numeric:tabular-nums}
.preview-tbl td.itemname{font-weight:600;color:var(--text)}
.preview-tbl td.val{color:var(--text-2)}
.preview-tbl td.empty{color:var(--text-3)}
.preview-more{margin-top:10px;padding:10px 14px;color:var(--text-2);font-size:12.5px;background:var(--accent-soft);border-radius:9px}

.preview-tbl td.filecell{overflow:visible;max-width:none}
.file-picker{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border:1px solid var(--border-2);border-radius:9px;background:#fff;font-size:12.5px;font-weight:500;color:var(--text-2);cursor:pointer;max-width:230px;transition:border-color .12s ease,color .12s ease,background .12s ease}
.file-picker:hover{border-color:var(--accent);color:var(--accent)}
.file-picker.has-file{border-color:var(--ok);background:var(--ok-soft);color:#15803d}
.file-picker .lbl{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-picker .clear{color:var(--text-3);font-size:15px;line-height:1;padding:0 2px}
.file-picker .clear:hover{color:var(--err)}

.preview-tbl td.custcell{overflow:visible;max-width:none}
.cust-combo{position:relative;display:inline-flex;align-items:center;max-width:240px;border:1px solid var(--border-2);border-radius:9px;background:#fff;transition:border-color .12s ease,box-shadow .12s ease,background .12s ease}
.cust-combo:hover{border-color:var(--accent)}
.cust-combo:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.cust-combo.has-value{border-color:var(--ok);background:var(--ok-soft)}
.cust-input{font:inherit;font-size:12.5px;color:var(--text-2);background:transparent;border:0;outline:none;padding:7px 11px;width:200px;cursor:pointer}
.cust-input::placeholder{color:var(--text-3)}
.cust-input:focus{cursor:text}
.cust-combo.has-value::before{content:'\2713';color:#15803d;font-weight:600;font-size:12.5px;padding-left:11px}
.cust-combo.has-value .cust-input{color:#15803d;font-weight:500;cursor:text;padding-left:6px}
.cust-clear{color:var(--text-3);font-size:15px;line-height:1;padding:0 8px 0 2px;flex-shrink:0}
.cust-clear:hover{color:var(--err)}
.cust-menu{z-index:1000;max-height:260px;overflow-y:auto;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 12px 32px rgba(16,24,40,.18);padding:5px}
.cust-menu.hidden{display:none}
.cust-opt{padding:8px 11px;border-radius:7px;cursor:pointer;color:var(--text);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cust-opt:hover,.cust-opt.hl{background:var(--accent-soft);color:var(--accent)}
.cust-opt.sel{font-weight:600;color:var(--accent)}
.cust-empty{padding:10px 11px;color:var(--text-3);font-size:12.5px}

/* --- Login screen --- */
.auth-view{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(1100px 560px at 50% -8%, var(--accent-soft), var(--bg) 62%)}
.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:0 20px 50px rgba(16,24,40,.12);padding:40px 34px;width:100%;max-width:400px;display:flex;flex-direction:column}
.auth-brand{font-size:12.5px;font-weight:600;color:var(--accent);letter-spacing:.03em;text-transform:uppercase;margin-bottom:18px;text-align:center}
.auth-card h1{font-size:23px;font-weight:700;margin:0 0 26px;text-align:center}
.auth-label{font-size:11px;font-weight:600;color:var(--text-2);margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em}
.auth-card input{font:inherit;font-size:14px;color:var(--text);background:#fff;border:1px solid var(--border-2);border-radius:10px;padding:12px 14px;margin-bottom:16px;outline:none;transition:border-color .12s ease,box-shadow .12s ease}
.auth-card input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.auth-submit{justify-content:center;margin-top:6px;width:100%;padding:12px 22px}
.auth-err{color:var(--err);font-size:13px;margin-bottom:14px;display:none}

/* --- Logout button --- */
.hgroup-right{display:flex;align-items:center;gap:14px}
.logout-btn{font-size:13px;color:var(--text-2);font-weight:500;padding:7px 13px;border-radius:8px;border:1px solid var(--border)}
.logout-btn:hover{color:var(--text);background:#eceef1}