:root{
  --bg:#f4f6fb;
  --panel:#ffffff;
  --text:#182033;
  --muted:#667085;
  --line:#e5e7ef;
  --brand:#0b5fff;
  --brand-dark:#0847c2;
  --danger:#dc2626;
  --ok:#16a34a;
  --warn:#d97706;
  --shadow:0 18px 45px rgba(16,24,40,.10);
  --radius:18px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;}
a{color:inherit}
.app-shell{min-height:100vh;display:grid;grid-template-columns:280px 1fr;}
.sidebar{background:#0d172b;color:#fff;padding:22px 18px;position:sticky;top:0;height:100vh;overflow:auto;}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:22px;}
.brand-mark{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#0b5fff,#26c6da);display:grid;place-items:center;font-weight:900;letter-spacing:.5px;box-shadow:0 12px 28px rgba(0,0,0,.28)}
.brand-title{font-weight:900;font-size:18px;line-height:1.05}.brand-sub{font-size:12px;color:#b8c2d8;margin-top:3px}.user-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:12px;margin-bottom:16px}.user-card strong{display:block}.user-card span{font-size:12px;color:#b8c2d8}.nav{display:flex;flex-direction:column;gap:7px}.nav a,.nav button{width:100%;border:0;text-align:left;text-decoration:none;background:transparent;color:#d7def0;border-radius:12px;padding:11px 12px;cursor:pointer;font-size:14px}.nav a:hover,.nav a.active,.nav button:hover{background:rgba(255,255,255,.11);color:#fff}.nav-sep{height:1px;background:rgba(255,255,255,.13);margin:10px 0}.main{padding:28px;max-width:1500px;width:100%;}.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px}.topbar h1{font-size:30px;margin:0 0 5px;font-weight:900;letter-spacing:-.03em}.topbar p{margin:0;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card h2,.card h3{margin:0 0 14px}.span-12{grid-column:span 12}.span-8{grid-column:span 8}.span-6{grid-column:span 6}.span-4{grid-column:span 4}.span-3{grid-column:span 3}.metric{display:flex;justify-content:space-between;align-items:center;gap:12px}.metric .value{font-size:30px;font-weight:900}.metric .label{color:var(--muted);font-size:13px}.icon{font-size:30px}.form-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:12px;align-items:end}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;font-weight:800;color:#344054}.field input,.field select,.field textarea{border:1px solid #d7dbea;border-radius:12px;padding:11px 12px;background:#fff;font:inherit;min-width:0}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid rgba(11,95,255,.18);border-color:var(--brand)}.col-12{grid-column:span 12}.col-8{grid-column:span 8}.col-6{grid-column:span 6}.col-4{grid-column:span 4}.col-3{grid-column:span 3}.col-2{grid-column:span 2}.btn{border:0;border-radius:12px;padding:11px 14px;font-weight:850;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}.btn-secondary{background:#eef2ff;color:#253c86}.btn-outline{background:#fff;border:1px solid #cfd5e8;color:#253047}.btn-danger{background:var(--danger);color:#fff}.btn-ok{background:var(--ok);color:#fff}.btn-small{padding:7px 9px;border-radius:10px;min-height:auto;font-size:12px}.btn:disabled{opacity:.55;cursor:not-allowed}.row-actions{display:flex;gap:6px;flex-wrap:wrap}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}.table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}.table th,.table td{border-bottom:1px solid var(--line);padding:10px;text-align:left;font-size:14px;vertical-align:middle}.table th{background:#f8fafc;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#526078}.table tr:last-child td{border-bottom:0}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:850}.badge-ok{background:#dcfce7;color:#166534}.badge-muted{background:#eef2f7;color:#475467}.badge-warn{background:#fff7ed;color:#9a3412}.alert{border-radius:14px;padding:12px 14px;margin:0 0 14px;font-weight:700}.alert-ok{background:#eafaf0;color:#166534;border:1px solid #bbf7d0}.alert-err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.alert-info{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:22px;background:radial-gradient(circle at 20% 20%,rgba(11,95,255,.22),transparent 35%),radial-gradient(circle at 80% 0%,rgba(38,198,218,.18),transparent 36%),#0d172b}.login-card{width:min(460px,100%);background:white;border-radius:24px;padding:28px;box-shadow:0 30px 90px rgba(0,0,0,.28)}.login-card h1{margin:0 0 8px;font-size:28px}.login-card p{margin:0 0 20px;color:var(--muted)}.obra-line{display:grid;grid-template-columns:1fr 130px auto;gap:10px;margin-bottom:10px;align-items:end}.muted{color:var(--muted)}.small{font-size:12px}.print-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.empty{padding:18px;text-align:center;color:var(--muted)}.days{display:flex;gap:8px;flex-wrap:wrap}.day-chip{display:flex;gap:6px;align-items:center;border:1px solid #d7dbea;border-radius:999px;padding:8px 10px;background:#fff}.mobile-menu{display:none}.toast-wrap{position:fixed;right:18px;bottom:18px;z-index:9999;display:flex;flex-direction:column;gap:10px}.toast{background:#fff;border:1px solid var(--line);border-left:6px solid var(--brand);border-radius:14px;padding:12px;box-shadow:var(--shadow);max-width:430px}.toast.ok{border-left-color:var(--ok)}.toast.err{border-left-color:var(--danger)}
@media (max-width:980px){.app-shell{display:block}.sidebar{position:relative;height:auto;border-radius:0 0 22px 22px}.mobile-menu{display:block}.main{padding:18px}.span-8,.span-6,.span-4,.span-3{grid-column:span 12}.col-8,.col-6,.col-4,.col-3,.col-2{grid-column:span 12}.topbar{flex-direction:column}.obra-line{grid-template-columns:1fr}.table{min-width:700px}}
@media print{body{background:#fff}.sidebar,.topbar,.no-print,.btn,.alert{display:none!important}.app-shell{display:block}.main{padding:0}.card{box-shadow:none;border:0}.print-box{border:0}.table{min-width:0}.table th,.table td{font-size:12px}}