:root{
  --bg:#0f172a; --bg2:#1e293b; --surface:#ffffff; --muted:#64748b; --line:#e2e8f0;
  --primary:#4f46e5; --primary-d:#4338ca; --primary-l:#eef2ff;
  --text:#0f172a; --text-soft:#475569;
  --green:#16a34a; --green-l:#dcfce7; --amber:#d97706; --amber-l:#fef3c7;
  --red:#dc2626; --red-l:#fee2e2; --blue:#2563eb; --blue-l:#dbeafe; --slate-l:#f1f5f9;
  --radius:12px; --shadow:0 1px 3px rgba(15,23,42,.08),0 6px 18px rgba(15,23,42,.06);
  --shadow-lg:0 10px 40px rgba(15,23,42,.18);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;background:#f6f7fb;color:var(--text);font-size:14px;line-height:1.5}
.boot{display:flex;align-items:center;justify-content:center;height:100vh;color:var(--muted)}
a{color:var(--primary);text-decoration:none}
button{font-family:inherit;cursor:pointer}

/* ---------- Layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:236px;background:linear-gradient(180deg,#1e1b4b,#0f172a);color:#cbd5e1;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:20}
.brand{padding:20px 18px;font-weight:800;font-size:18px;color:#fff;display:flex;align-items:center;gap:10px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand .logo{font-size:22px}
.nav{padding:12px 10px;flex:1;overflow-y:auto}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;color:#cbd5e1;font-weight:500;margin-bottom:2px;transition:.15s}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.active{background:var(--primary);color:#fff}
.nav .ico{width:20px;text-align:center}
.nav .sep{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:#64748b;padding:14px 12px 6px;font-weight:700}
.side-foot{padding:14px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;color:#94a3b8}
.side-foot b{color:#e2e8f0;display:block;font-size:13px}
.side-foot button{margin-top:8px;width:100%;background:rgba(255,255,255,.08);color:#fff;border:0;padding:8px;border-radius:8px;font-size:12.5px}
.side-foot button:hover{background:rgba(255,255,255,.16)}
.main{flex:1;margin-left:236px;min-width:0}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:14px 28px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}
.topbar h1{font-size:19px;margin:0;font-weight:700}
.content{padding:24px 28px 60px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid transparent;background:var(--primary);color:#fff;padding:9px 15px;border-radius:9px;font-weight:600;font-size:13.5px;transition:.15s}
.btn:hover{background:var(--primary-d)}
.btn.sec{background:#fff;color:var(--text);border-color:var(--line)}
.btn.sec:hover{background:var(--slate-l)}
.btn.ghost{background:transparent;color:var(--text-soft);border-color:transparent}
.btn.ghost:hover{background:var(--slate-l)}
.btn.danger{background:var(--red)}.btn.danger:hover{background:#b91c1c}
.btn.green{background:var(--green)}.btn.green:hover{background:#15803d}
.btn.sm{padding:6px 11px;font-size:12.5px;border-radius:8px}
.btn.block{width:100%;justify-content:center}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* ---------- Cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card.pad{padding:20px}
.grid{display:grid;gap:16px}
.kpis{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.kpi .lbl{color:var(--muted);font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.kpi .val{font-size:26px;font-weight:800;margin-top:6px}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:3px}
.kpi.accent{background:linear-gradient(135deg,var(--primary),#6366f1);color:#fff;border:0}
.kpi.accent .lbl,.kpi.accent .sub{color:rgba(255,255,255,.85)}

/* ---------- Tables ---------- */
.tablewrap{overflow-x:auto;border-radius:var(--radius)}
table.tbl{width:100%;border-collapse:collapse;background:#fff;font-size:13.5px}
table.tbl th{text-align:left;padding:11px 14px;background:var(--slate-l);color:var(--text-soft);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.02em;border-bottom:1px solid var(--line);white-space:nowrap}
table.tbl td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
table.tbl tr:last-child td{border-bottom:0}
table.tbl tr:hover td{background:#fafbff}
.row-click{cursor:pointer}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}
.st-quote{background:var(--slate-l);color:#475569}
.st-deposit{background:var(--amber-l);color:#b45309}
.st-paid{background:var(--green-l);color:#15803d}
.st-completed{background:var(--blue-l);color:#1d4ed8}
.st-cancelled{background:var(--red-l);color:#b91c1c}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 18px}
.field{display:flex;flex-direction:column;gap:5px}
.field.full{grid-column:1/-1}
label{font-size:12.5px;font-weight:600;color:var(--text-soft)}
input,select,textarea{font-family:inherit;font-size:14px;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--text);width:100%;transition:.15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-l)}
textarea{resize:vertical;min-height:70px}
.hint{font-size:12px;color:var(--muted)}
fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin:0 0 18px}
legend{font-weight:700;font-size:13.5px;padding:0 8px;color:var(--primary)}

/* services editor */
.svc-row{display:grid;grid-template-columns:1fr 80px 130px 130px 38px;gap:8px;align-items:center;margin-bottom:8px}
.svc-row .imp{font-weight:700;text-align:right;padding:9px 4px}
.svc-head{font-size:11.5px;color:var(--muted);font-weight:700;text-transform:uppercase}
.totbox{margin-top:10px;margin-left:auto;width:320px;max-width:100%}
.totbox .line{display:flex;justify-content:space-between;padding:6px 0;font-size:14px}
.totbox .line.grand{border-top:2px solid var(--line);margin-top:6px;padding-top:10px;font-size:18px;font-weight:800}

/* toolbar */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:18px}
.toolbar .search{flex:1;min-width:220px;position:relative}
.toolbar .search input{padding-left:34px}
.toolbar .search .mag{position:absolute;left:11px;top:9px;color:var(--muted)}
.spacer{flex:1}

/* ---------- Auth ---------- */
.auth-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#312e81,#0f172a);padding:20px}
.auth-card{background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);width:100%;max-width:410px;padding:34px}
.auth-card h2{margin:0 0 4px;font-size:23px}
.auth-card p.sub{color:var(--muted);margin:0 0 22px}
.auth-card .brand-big{font-size:34px;text-align:center;margin-bottom:8px}
.err{background:var(--red-l);color:#b91c1c;padding:10px 12px;border-radius:9px;font-size:13px;margin-bottom:14px}
.ok{background:var(--green-l);color:#15803d;padding:10px 12px;border-radius:9px;font-size:13px;margin-bottom:14px}

/* ---------- Modal ---------- */
.overlay{position:fixed;inset:0;background:rgba(15,23,42,.55);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal{background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);width:100%;max-width:520px;max-height:90vh;overflow:auto}
.modal.lg{max-width:680px}
.modal-h{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal-h h3{margin:0;font-size:17px}
.modal-b{padding:22px}
.modal-f{padding:16px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px;background:var(--slate-l)}
.x{background:none;border:0;font-size:22px;color:var(--muted);line-height:1}

/* signature */
.sigpad{border:2px dashed var(--line);border-radius:12px;background:#fcfcfd;touch-action:none;width:100%;display:block}

/* misc */
.muted{color:var(--muted)}
.pill{display:inline-block;background:var(--primary-l);color:var(--primary-d);padding:2px 9px;border-radius:7px;font-size:12px;font-weight:700}
.section-title{font-size:15px;font-weight:700;margin:24px 0 12px;display:flex;align-items:center;gap:8px}
.empty{text-align:center;padding:48px 20px;color:var(--muted)}
.empty .big{font-size:40px;margin-bottom:10px}
.dl-grid{display:grid;grid-template-columns:170px 1fr;gap:9px 16px;font-size:14px}
.dl-grid dt{color:var(--muted);font-weight:600}
.dl-grid dd{margin:0;font-weight:500}
.flex{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}

/* calendar */
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-dow{font-size:11.5px;font-weight:700;color:var(--muted);text-align:center;text-transform:uppercase;padding:4px 0}
.cal-cell{min-height:96px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:6px;font-size:12px;overflow:hidden}
.cal-cell.out{background:#fafafa;color:#cbd5e1}
.cal-cell.today{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-l)}
.cal-cell .dn{font-weight:700;margin-bottom:4px}
.cal-ev{display:block;background:var(--primary-l);color:var(--primary-d);border-radius:6px;padding:2px 6px;margin-bottom:3px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600}
.cal-ev.st-cancelled{background:var(--red-l);color:#b91c1c;text-decoration:line-through}
.cal-ev.st-paid{background:var(--green-l);color:#15803d}
.cal-ev.st-completed{background:var(--blue-l);color:#1d4ed8}

@media(max-width:860px){
  .sidebar{width:100%;height:auto;position:static;flex-direction:row;flex-wrap:wrap}
  .nav{display:flex;flex-wrap:wrap;padding:6px}
  .nav .sep,.brand{display:none}
  .nav a{margin:0;padding:8px 10px;font-size:13px}
  .side-foot{display:none}
  .main{margin-left:0}
  .form-grid{grid-template-columns:1fr}
  .svc-row{grid-template-columns:1fr 60px 1fr 1fr 32px}
  .dl-grid{grid-template-columns:1fr}
}

/* ---------- Cotizaciones ---------- */
.cot-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px;border-bottom:1px solid var(--line)}
.cot-tab{padding:9px 14px;border-radius:9px 9px 0 0;color:var(--text-soft);font-weight:600;font-size:13.5px;border:1px solid transparent;border-bottom:0}
.cot-tab:hover{background:var(--slate-l)}
.cot-tab.on{background:#fff;color:var(--primary);border-color:var(--line);box-shadow:0 -2px 0 var(--primary) inset}
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.prod-img{height:140px;background-size:cover;background-position:center;background-color:var(--slate-l);display:flex;align-items:center;justify-content:center;font-size:40px;color:#cbd5e1}
.prod-body{padding:12px;display:flex;flex-direction:column;gap:2px}
.prod-prev{border:1px dashed var(--line);border-radius:10px;padding:10px;min-height:70px;display:flex;align-items:center;justify-content:center;background:#fcfcfd}
.prod-prev img{max-height:130px;max-width:100%;border-radius:8px}
.qitem{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px;margin-bottom:8px;flex-wrap:wrap}
.qitem-img{width:46px;height:46px;border-radius:8px;background-size:cover;background-position:center;background-color:var(--slate-l);display:flex;align-items:center;justify-content:center;font-size:20px;color:#cbd5e1;flex-shrink:0}
.qi-imp{font-weight:700;width:95px;text-align:right}
.qi-thumb{width:42px;height:38px;object-fit:cover;border-radius:6px}
.var-row{display:flex;gap:8px;align-items:center;margin-bottom:8px;flex-wrap:wrap}
.var-row .v-h{width:90px}
.var-row .v-p{width:130px}
.vopt{justify-content:space-between}
@media(max-width:860px){.qi-imp{width:100%;text-align:left}}