:root{
  --rt-primary:#006ab5;
  --rt-primary-dark:#00538f;
  --rt-success:#009416;
  --rt-warning:#eda509;
  --rt-danger:#c22515;
  --rt-text:#222;
  --rt-muted:#667085;
  --rt-bg:#f5f7fb;
  --rt-panel:#fff;
  --rt-border:#d9e2ef;
  --rt-radius:14px;
  --rt-shadow:0 10px 30px rgba(0,38,70,.08);
}
*{box-sizing:border-box}
html{font-size:16px}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--rt-bg);color:var(--rt-text);line-height:1.45}
a{color:var(--rt-primary);text-decoration:none}
a:hover{text-decoration:underline}
.app-shell{min-height:100vh;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#fff;border-bottom:1px solid var(--rt-border);padding:14px 28px;position:sticky;top:0;z-index:10}
.brand{font-weight:800;color:var(--rt-primary-dark);font-size:1.2rem;text-decoration:none}
.nav{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.nav a{padding:8px 10px;border-radius:10px;color:#1f2937;text-decoration:none}
.nav a:hover{background:#eef6fc;text-decoration:none}
.main{width:min(1240px,100%);margin:0 auto;padding:28px;flex:1}
.footer{padding:18px 28px;text-align:center;color:var(--rt-muted);font-size:.9rem}
h1,h2,h3{margin:0 0 12px;color:#111827;line-height:1.2}
h1{font-size:clamp(1.7rem,2.4vw,2.3rem)}
h2{font-size:1.25rem;margin-top:4px}
p{margin:0 0 14px}.muted{color:var(--rt-muted)}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:22px}
.panel,.login-card{background:var(--rt-panel);border:1px solid var(--rt-border);border-radius:var(--rt-radius);box-shadow:var(--rt-shadow);padding:22px;margin-bottom:20px}
.login-card{width:min(460px,100%);margin:8vh auto}.install-card{width:min(860px,100%)}
.cards{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin-bottom:22px}
.stat-card{display:block;background:#fff;border:1px solid var(--rt-border);border-radius:var(--rt-radius);padding:18px;box-shadow:var(--rt-shadow);text-decoration:none;color:var(--rt-text)}
.stat-card:hover{text-decoration:none;border-color:var(--rt-primary)}
.stat-card span{display:block;color:var(--rt-muted);font-size:.92rem;margin-bottom:8px}.stat-card strong{font-size:2rem}
.form{display:grid;gap:14px}.grid-form{grid-template-columns:repeat(2,minmax(0,1fr))}.full{grid-column:1/-1}
label{display:grid;gap:6px;font-weight:700;color:#344054}
input,select,textarea{width:100%;border:1px solid var(--rt-border);border-radius:10px;padding:10px 12px;font:inherit;background:#fff;color:var(--rt-text)}
textarea{resize:vertical}input[readonly],textarea[readonly]{background:#f8fafc;color:#475467}
.form-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--rt-border);background:#fff;color:#111827;border-radius:10px;padding:9px 13px;font-weight:700;text-decoration:none;cursor:pointer;font:inherit;line-height:1.2;white-space:nowrap}
.btn:hover{text-decoration:none;border-color:var(--rt-primary)}.btn-primary{background:var(--rt-primary);border-color:var(--rt-primary);color:#fff}.btn-primary:hover{background:var(--rt-primary-dark);border-color:var(--rt-primary-dark)}
.btn-warning{background:var(--rt-warning);border-color:var(--rt-warning);color:#111827}.btn-light{background:#f8fafc}.btn-small{font-size:.86rem;padding:6px 9px}
.alert{padding:12px 14px;border-radius:12px;border:1px solid;margin-bottom:16px}.alert-success{background:#effaf0;border-color:#b8e7bd;color:#155f1e}.alert-error{background:#fff1f0;border-color:#ffc9c2;color:#8f1d12}.alert-warning{background:#fff8e8;border-color:#f4d791;color:#7a5300}
.filters{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr auto auto;gap:10px;align-items:end}.bulk-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--rt-border);margin-top:16px;padding-top:16px}.hint{color:var(--rt-muted);font-size:.92rem}
.table-wrap{overflow-x:auto}.table{width:100%;border-collapse:separate;border-spacing:0}.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--rt-border);text-align:left;vertical-align:top}.table th{font-size:.84rem;text-transform:uppercase;letter-spacing:.04em;color:#475467;background:#f8fafc}.table tr:last-child td{border-bottom:0}.table td small{color:var(--rt-muted)}.num{text-align:right;white-space:nowrap}.note-col{max-width:340px}
.badge{display:inline-flex;padding:4px 8px;border-radius:999px;font-weight:700;font-size:.82rem;border:1px solid}.badge-open{background:#fff8e8;border-color:#f4d791;color:#7a5300}.badge-processing{background:#eef6fc;border-color:#b9dcf4;color:#00538f}.badge-question{background:#fff1f0;border-color:#ffc9c2;color:#8f1d12}.badge-done{background:#effaf0;border-color:#b8e7bd;color:#155f1e}.badge-private{background:#f2f4f7;border-color:#d0d5dd;color:#344054}.badge-archived{background:#f8fafc;border-color:#eaecf0;color:#667085}
.inline-form{display:inline-flex;gap:8px;align-items:center;flex-wrap:wrap;margin:4px 4px 4px 0}.inline-form input[type=text]{width:180px}.info-box{background:#eef6fc;border:1px solid #b9dcf4;border-radius:12px;padding:12px}.error-box{white-space:pre-wrap;background:#111827;color:#fff;padding:12px;border-radius:12px;overflow:auto}
code{background:#f2f4f7;border:1px solid #eaecf0;border-radius:6px;padding:2px 5px}
@media (max-width:980px){.topbar,.page-head{flex-direction:column;align-items:stretch}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-form,.filters{grid-template-columns:1fr}.main{padding:18px}.nav{gap:6px}.panel,.login-card{padding:18px}}
@media (max-width:560px){.cards{grid-template-columns:1fr}.btn{width:100%}.inline-form{display:flex}.table th,.table td{padding:8px}}