:root{
  --bg:#f6f8fb; --card:#fff; --text:#152033; --muted:#64748b; --line:#dbe3ee;
  --primary:#165dff; --primary-2:#0f47c9; --accent:#28c49b; --radius:16px; --shadow:0 8px 24px rgba(14,30,62,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--primary);text-decoration:none} a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.container{max-width:1100px;margin:0 auto;padding:0 16px}
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 8px rgba(14,30,62,.03)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:20px}
.brand:hover{text-decoration:none}
.brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));position:relative;box-shadow:var(--shadow)}
.brand-mark::after{content:"B";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:20px}
.nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.nav a,.nav button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);font:inherit;cursor:pointer}
.nav .primary,.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.nav .primary:hover,.btn.primary:hover{background:var(--primary-2);text-decoration:none}
.main{padding:20px 0 28px}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:14px;color:var(--muted);margin:0 0 14px}
.breadcrumbs a{color:var(--muted)} .breadcrumbs .sep{opacity:.55}
.flash{padding:12px 14px;border:1px solid #bfe7cb;background:#effcf3;color:#0f6a3d;border-radius:12px;margin-bottom:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-pad{padding:18px}
.hero{padding:28px}
.hero h1{margin:0 0 12px;font-size:42px;line-height:1.08}
.hero p{margin:0;color:var(--muted);font-size:18px;line-height:1.5}
.grid{display:grid;gap:16px}.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}
.landing-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.request-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.list-stack{display:grid;gap:12px}
.kpi{padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}
.kpi .n{font-size:30px;font-weight:900}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.toolbar-left,.toolbar-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.form-row{margin-bottom:12px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;margin:0 0 6px;font-size:14px;color:var(--muted)}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--text);font:inherit}
textarea{min-height:110px;resize:vertical}
.checkbox-row{display:flex;align-items:center;gap:8px;margin:8px 0}.checkbox-row input{width:auto}
.request-card{padding:14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);box-shadow:0 2px 10px rgba(14,30,62,.03)}
.request-card h4{margin:0 0 6px;font-size:18px}
.request-card:hover{border-color:#c7d8f8;text-decoration:none}
.top-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:8px}
.badge{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;background:#edf3ff;color:#2458d3;font-size:12px;font-weight:700}
.status{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:13px;font-weight:800}
.status-new{background:#eef5ff;color:#2458d3}.status-in_progress{background:#fff7e9;color:#9b6900}.status-completed{background:#edf9f2;color:#0f7d4c}.status-canceled,.status-error{background:#fff2f2;color:#b73030}
.section-title{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:2px 0 12px}
.section-title h1,.section-title h2,.section-title h3,.section-title h4{margin:0}
.muted{color:var(--muted)} .tiny{font-size:12px}
.empty{text-align:center;color:var(--muted);padding:22px}
.footer{padding:28px 0;color:var(--muted);font-size:13px}
@media (max-width:900px){
  .grid-2,.grid-3,.form-grid,.landing-hero,.request-columns{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .header-inner{align-items:flex-start}
}