:root{
  --bg:#f1f5f9; --card:#ffffff; --ink:#0f172a; --muted:#64748b;
  --line:#e2e8f0; --brand:#2563eb; --brand-dark:#1e293b;
  --ok:#16a34a; --okbg:#dcfce7; --err:#dc2626; --errbg:#fee2e2;
  --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;line-height:1.5}
img{max-width:100%}
a{color:var(--brand)}

/* logo preview (settings) */
.logo-preview{display:inline-block;margin-bottom:14px;padding:14px;border:1px dashed #cbd5e1;
  border-radius:10px;background:#f8fafc}
.logo-preview img{max-height:64px;width:auto;display:block}
.logo-remove{margin-top:10px}
.wrap{width:100%;max-width:960px;margin:0 auto;padding-inline:20px}
.main{padding-block:28px}

/* demo banner */
.demobar{background:#b45309;color:#fff;font-size:14px;line-height:1.45;
  padding:11px 20px;text-align:center;border-bottom:2px solid #78350f}
.demobar strong{color:#fff}

/* utility strip */
.utility{background:var(--brand-dark);color:#cbd5e1;font-size:13px;border-bottom:3px solid var(--brand)}
.utility-in{display:flex;align-items:center;justify-content:space-between;padding-block:7px;gap:12px}
.utility-label{letter-spacing:.02em}
.utility-right a{color:#e2e8f0;text-decoration:none;font-weight:600}
.utility-right a:hover{color:#fff;text-decoration:underline}

/* masthead */
.masthead{background:#fff;border-bottom:1px solid var(--line)}
.masthead-in{display:flex;align-items:center;justify-content:space-between;padding-block:16px;gap:16px}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink)}
.brand-mark{width:44px;height:44px;border-radius:10px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:22px;flex:none}
.brand-logo{flex:none;display:flex;align-items:center}
.brand-logo img{height:44px;width:auto;max-width:220px;display:block;border-radius:8px}
.brand-txt{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-weight:800;font-size:20px;letter-spacing:-.01em}
.brand-tag{font-size:13px;color:var(--muted)}
.topnav{display:flex;gap:6px;align-items:center}
.topnav a{color:#334155;text-decoration:none;font-size:14px;font-weight:600;padding:7px 12px;border-radius:8px}
.topnav a:hover{background:#f1f5f9}
.topnav a.topnav-out{color:var(--brand)}

/* section title band */
.titleband{background:#eef2f7;border-bottom:1px solid var(--line)}
.titleband .wrap{padding-block:12px}
.titleband-h{display:inline-block;font-size:13px;font-weight:700;color:#475569;
  text-transform:uppercase;letter-spacing:.07em;border-left:4px solid var(--brand);padding-left:10px}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;margin-bottom:20px}
.card.narrow{max-width:420px;margin-inline:auto}
.card.highlight{border-color:var(--brand);box-shadow:0 6px 24px rgba(37,99,235,.12)}
h1{margin:.1em 0 .3em;font-size:24px}
h2{margin:0 0 14px;font-size:18px}
.muted{color:var(--muted)}
.small{font-size:12px}
.mono,.mono *{font-family:ui-monospace,Consolas,monospace}

/* layout helpers */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:720px){.grid2{grid-template-columns:1fr}}

/* forms */
.form label{display:block;margin-bottom:14px;font-size:14px;font-weight:600;color:#334155}
.form input,.form select,.form textarea{display:block;width:100%;margin-top:6px;
  padding:10px 12px;border:1px solid #cbd5e1;border-radius:9px;font:inherit;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.form.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form.form-grid .full{grid-column:1/-1}
.form.inline{display:flex;align-items:end;gap:12px;flex-wrap:wrap}
.form.inline label{flex:1;margin-bottom:0}

/* buttons */
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:9px;
  padding:11px 18px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;margin-top:6px}
.btn:hover{filter:brightness(1.07)}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-sm{padding:6px 12px;font-size:13px}
.btn-danger-ghost{background:#fff;color:var(--err);border:1px solid #fca5a5}
.link{font-weight:600;text-decoration:none}

/* flash */
.flash{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:14px;font-weight:500}
.flash-info{background:#e0f2fe;color:#075985}
.flash-success{background:var(--okbg);color:#166534}
.flash-error{background:var(--errbg);color:#991b1b}

/* credentials block */
.cred{display:flex;gap:28px;flex-wrap:wrap;background:#f8fafc;border:1px dashed #cbd5e1;
  border-radius:10px;padding:16px;margin:14px 0}
.cred .lbl{display:block;font-size:12px;color:var(--muted)}
.cred .val{font-size:20px;font-weight:800;font-family:ui-monospace,Consolas,monospace}

/* case header + progress */
.case-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.subject{margin:.2em 0 0;color:#334155}
.progress-wrap{margin:18px 0}
.progress{background:#e2e8f0;border-radius:999px;height:14px;overflow:hidden}
.progress.mini{height:8px;width:90px;display:inline-block;vertical-align:middle}
.progress-fill{height:100%;background:var(--brand);border-radius:999px;transition:width .3s}
.progress-meta{margin-top:6px;font-size:14px;color:#475569}

.status-pill{padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}
.status-open{background:#dbeafe;color:#1e40af}
.status-completed{background:var(--okbg);color:#166534}

.complete-box{margin-top:18px;padding:18px;border:1px solid #bbf7d0;background:#f0fdf4;border-radius:10px}
.complete-box h3{margin:0 0 8px}

/* key/value */
.kv{display:grid;grid-template-columns:120px 1fr;gap:8px 14px;margin:8px 0 0;font-size:14px}
.kv dt{color:var(--muted)}
.kv dd{margin:0}

/* timeline */
.timeline{list-style:none;margin:0;padding:0}
.timeline li{position:relative;padding:0 0 22px 26px;border-left:2px solid var(--line);margin-left:6px}
.timeline li:last-child{border-left-color:transparent}
.tl-dot{position:absolute;left:-8px;top:2px;width:14px;height:14px;border-radius:50%;
  background:var(--brand);border:3px solid #fff;box-shadow:0 0 0 1px var(--brand)}
.tl-title{font-weight:700}
.tl-step{font-size:11px;font-weight:700;color:var(--brand);background:#eff6ff;
  padding:2px 8px;border-radius:999px;margin-left:6px}
.tl-desc{margin:6px 0;color:#334155;white-space:pre-wrap}
.tl-time{font-size:12px;color:var(--muted)}

/* admin table */
.page-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.count{background:#e2e8f0;color:#334155;border-radius:999px;padding:2px 10px;font-size:14px;vertical-align:middle}
.search{display:flex;gap:8px}
.search input{padding:9px 12px;border:1px solid #cbd5e1;border-radius:9px;font:inherit}
.table-card{padding:0;overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.table th{background:#f8fafc;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
.table tr:last-child td{border-bottom:0}

/* settings stage rows */
.stage-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.stage-row input{flex:1;padding:9px 12px;border:1px solid #cbd5e1;border-radius:9px;font:inherit}
.stage-num{width:26px;height:26px;flex:none;display:grid;place-items:center;border-radius:50%;
  background:var(--brand);color:#fff;font-size:13px;font-weight:700}
.notice{background:#fefce8;border:1px solid #fde68a;color:#854d0e;padding:12px 14px;border-radius:9px}
.undo{margin-top:14px}
code{background:#f1f5f9;padding:1px 6px;border-radius:5px;font-family:ui-monospace,Consolas,monospace;font-size:13px}
hr{border:0;border-top:1px solid var(--line);margin:18px 0}

/* footer */
.foot{border-top:3px solid var(--brand);background:var(--brand-dark);color:#cbd5e1;
  font-size:13px;padding-block:24px;margin-top:28px}
.foot-in{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot-logo{margin-bottom:10px}
.foot-logo img{height:36px;width:auto;max-width:200px;display:block}
.foot-brand{font-weight:800;font-size:16px;color:#fff;margin-bottom:6px}
.foot-note{margin:0;max-width:560px;color:#94a3b8;line-height:1.5}
.foot-links{display:flex;flex-direction:column;gap:8px}
.foot-links a{color:#e2e8f0;text-decoration:none;font-weight:600}
.foot-links a:hover{color:#fff;text-decoration:underline}
@media(max-width:600px){.foot-links{flex-direction:row;flex-wrap:wrap;gap:16px}}

/* ---------- mobile ---------- */
@media(max-width:600px){
  .wrap{padding-inline:16px}
  .main{padding-block:20px}
  .card{padding:18px}
  h1{font-size:21px}
  h2{font-size:17px}

  /* header wraps instead of squashing */
  .masthead-in{flex-wrap:wrap;gap:12px}
  .topnav{flex-wrap:wrap}
  .utility-in{flex-wrap:wrap;gap:6px}
  .brand-mark{width:38px;height:38px;font-size:19px}
  .brand-logo img{height:38px}
  .brand-name{font-size:18px}

  /* forms + search go full width, single column */
  .form.form-grid{grid-template-columns:1fr}
  .form.inline{flex-direction:column;align-items:stretch}
  .search{width:100%}
  .search input{flex:1;min-width:0}

  /* case header + credentials stack cleanly */
  .case-head{flex-wrap:wrap}
  .cred{gap:16px 24px}
  .page-head{align-items:flex-start}

  /* avoid iOS zoom-on-focus (needs >=16px) */
  .form input,.form select,.form textarea,.search input{font-size:16px}
}