:root{
  --navy:#1B2A4A; --navy-dark:#0F1B33; --accent:#C08A3E;
  --grey:#5B6470; --light:#F2F3F5; --white:#FFFFFF;
  --green:#2E7D46; --green-bg:#E1F0E6;
  --amber:#C77F00; --amber-bg:#FCEBD0;
  --red:#B3261E; --red-bg:#F8DEDC;
  --text:#23262B; --border:#D9DCE1;
}
*{box-sizing:border-box;}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--light);color:var(--text);}

/* ---- Login ---- */
.login-body{display:flex;align-items:center;justify-content:center;height:100vh;background:linear-gradient(135deg,var(--navy-dark),var(--navy));}
.login-card{background:var(--white);padding:40px 36px;border-radius:6px;width:340px;box-shadow:0 20px 50px rgba(0,0,0,.25);}
.login-card h1{margin:0 0 4px;font-size:22px;color:var(--navy-dark);letter-spacing:.5px;}
.login-card h1 span{color:var(--accent);}
.login-subtitle{margin:0 0 24px;color:var(--grey);font-size:13px;}
.login-card label{display:block;font-size:12px;color:var(--grey);margin:14px 0 4px;font-weight:bold;}
.login-card input{width:100%;padding:10px;border:1px solid var(--border);border-radius:4px;font-size:14px;}
.login-card button{margin-top:22px;width:100%;padding:12px;background:var(--navy);color:#fff;border:none;border-radius:4px;font-size:14px;font-weight:bold;cursor:pointer;}
.login-card button:hover{background:var(--navy-dark);}

/* ---- Layout ---- */
.app-header{background:var(--navy-dark);color:#fff;padding:14px 28px;display:flex;justify-content:space-between;align-items:center;}
.app-header h1{font-size:16px;margin:0;letter-spacing:.5px;}
.app-header h1 span{color:var(--accent);}
.app-nav{display:flex;gap:4px;background:var(--navy);padding:0 24px;}
.app-nav a{color:#cfd6e4;text-decoration:none;padding:12px 16px;font-size:13px;font-weight:bold;border-bottom:3px solid transparent;}
.app-nav a.active,.app-nav a:hover{color:#fff;border-bottom:3px solid var(--accent);}
.app-body{padding:24px 28px;max-width:1400px;margin:0 auto;}
.logout-link{color:#cfd6e4;font-size:12px;text-decoration:none;}

/* ---- KPI cards ---- */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:28px;}
.kpi-card{background:#fff;border:1px solid var(--border);border-radius:6px;padding:16px 18px;}
.kpi-label{font-size:10px;color:var(--grey);font-weight:bold;letter-spacing:.5px;text-transform:uppercase;}
.kpi-value{font-size:26px;font-weight:bold;color:var(--navy-dark);margin-top:6px;}
.kpi-value.green{color:var(--green);} .kpi-value.amber{color:var(--amber);} .kpi-value.red{color:var(--red);}

.section-title{font-size:13px;font-weight:bold;color:var(--accent);text-transform:uppercase;letter-spacing:.5px;margin:26px 0 12px;border-bottom:2px solid var(--accent);padding-bottom:6px;display:inline-block;}

.alert-banner{background:var(--red-bg);color:var(--red);border-radius:4px;padding:12px 16px;font-size:13px;font-weight:bold;margin-bottom:20px;}
.alert-banner.ok{background:var(--green-bg);color:var(--green);}

.badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:11px;font-weight:bold;}
.badge.verde{background:var(--green-bg);color:var(--green);}
.badge.amarillo{background:var(--amber-bg);color:var(--amber);}
.badge.rojo{background:var(--red-bg);color:var(--red);}

.card-panel{background:#fff;border:1px solid var(--border);border-radius:6px;padding:20px;margin-bottom:24px;}

table{width:100%;border-collapse:collapse;font-size:13px;background:#fff;}
table th{background:var(--navy);color:#fff;text-align:left;padding:10px;font-size:11px;text-transform:uppercase;}
table td{padding:9px 10px;border-bottom:1px solid var(--border);}
table tr:nth-child(even){background:var(--light);}

.btn{background:var(--navy);color:#fff;border:none;padding:10px 18px;border-radius:4px;font-weight:bold;cursor:pointer;font-size:13px;}
.btn:hover{background:var(--navy-dark);}
.btn.accent{background:var(--accent);}

.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:14px;}
.form-grid label{display:block;font-size:11px;color:var(--grey);font-weight:bold;margin-bottom:4px;text-transform:uppercase;}
.form-grid input,.form-grid select{width:100%;padding:9px;border:1px solid var(--border);border-radius:4px;font-size:13px;}

.loading{color:var(--grey);font-size:13px;padding:20px;text-align:center;}
.toast{position:fixed;bottom:20px;right:20px;background:var(--navy-dark);color:#fff;padding:12px 20px;border-radius:6px;font-size:13px;box-shadow:0 6px 18px rgba(0,0,0,.3);display:none;}
.toast.show{display:block;}
.toast.error{background:var(--red);}

/* ================= ERP SHELL (sidebar layout) ================= */
.app-shell{display:flex;min-height:100vh;}
.sidebar{width:230px;flex-shrink:0;background:var(--navy-dark);color:#fff;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;}
.sidebar-brand{padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.08);}
.sidebar-brand .b1{font-size:15px;font-weight:bold;letter-spacing:.5px;}
.sidebar-brand .b1 span{color:var(--accent);}
.sidebar-brand .b2{font-size:10px;color:#9aa5b8;margin-top:2px;}
.sidebar-nav{flex:1;padding:14px 10px;overflow-y:auto;}
.sidebar-section{font-size:10px;text-transform:uppercase;letter-spacing:.6px;color:#7c88a0;padding:14px 10px 6px;}
.sidebar-nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:6px;color:#cfd6e4;text-decoration:none;font-size:13px;font-weight:600;margin-bottom:2px;}
.sidebar-nav a svg{width:18px;height:18px;flex-shrink:0;stroke:#9aa5b8;fill:none;stroke-width:1.8;}
.sidebar-nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.sidebar-nav a:hover svg{stroke:#fff;}
.sidebar-nav a.active{background:var(--accent);color:#1B1204;}
.sidebar-nav a.active svg{stroke:#1B1204;}
.sidebar-nav a.soon{opacity:.45;cursor:default;}
.sidebar-nav a.soon:hover{background:none;color:#cfd6e4;}
.sidebar-nav a.soon:hover svg{stroke:#9aa5b8;}
.soon-tag{margin-left:auto;font-size:8px;background:rgba(255,255,255,.12);padding:2px 6px;border-radius:10px;letter-spacing:.4px;}
.sidebar-foot{padding:14px 20px;border-top:1px solid rgba(255,255,255,.08);}
.sidebar-foot a{color:#9aa5b8;font-size:12px;text-decoration:none;}
.sidebar-foot a:hover{color:#fff;}

.main-area{flex:1;min-width:0;display:flex;flex-direction:column;}
.topbar{background:#fff;border-bottom:1px solid var(--border);padding:14px 28px;display:flex;justify-content:space-between;align-items:center;}
.topbar h2{font-size:16px;margin:0;color:var(--navy-dark);}
.topbar .topbar-meta{font-size:12px;color:var(--grey);}
.main-content{padding:24px 28px;max-width:1400px;width:100%;}

.placeholder-card{background:#fff;border:1px dashed var(--border);border-radius:8px;padding:60px 30px;text-align:center;color:var(--grey);}
.placeholder-card h3{color:var(--navy-dark);font-size:18px;margin-bottom:8px;}
.placeholder-card p{font-size:13px;max-width:440px;margin:0 auto;}

@media (max-width: 860px){
  .app-shell{flex-direction:column;}
  .sidebar{width:100%;height:auto;position:relative;flex-direction:row;overflow-x:auto;}
  .sidebar-brand,.sidebar-foot{display:none;}
  .sidebar-nav{display:flex;padding:8px;}
  .sidebar-section{display:none;}
  .sidebar-nav a{white-space:nowrap;}
}
.sidebar-foot a{display:flex;align-items:center;gap:8px;}
.sidebar-foot a svg{width:15px;height:15px;stroke:#9aa5b8;fill:none;stroke-width:1.8;}
.sidebar-foot a:hover svg{stroke:#fff;}

/* ================= Documento imprimible (OC / Cotización) ================= */
.oc-doc{background:#fff;padding:34px 40px;width:760px;margin:0 auto;color:#23262B;font-family:Arial,sans-serif;}
.oc-doc .oc-header{text-align:center;margin-bottom:10px;}
.oc-doc .oc-header h1{font-size:20px;margin:0;color:var(--navy-dark);letter-spacing:1px;}
.oc-doc .oc-header .tagline{font-size:11px;color:var(--grey);margin-top:2px;}
.oc-doc .oc-header .contact{font-size:10px;color:var(--grey);}
.oc-doc .oc-title-row{display:flex;justify-content:space-between;align-items:center;border-top:2px solid var(--accent);border-bottom:2px solid var(--accent);padding:8px 2px;margin:14px 0;}
.oc-doc .oc-title-row h2{font-size:15px;margin:0;color:var(--navy-dark);letter-spacing:.5px;}
.oc-doc .oc-title-row .meta{font-size:11.5px;text-align:right;}
.oc-doc .oc-blocks{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:12px;}
.oc-doc .oc-block h4{font-size:10.5px;text-transform:uppercase;letter-spacing:.4px;color:var(--accent);border-bottom:1px solid var(--border);margin:0 0 6px;padding-bottom:3px;}
.oc-doc .oc-block div{font-size:11px;margin-bottom:3px;}
.oc-doc .oc-block b{color:var(--grey);font-weight:600;}
.oc-doc table.oc-items{width:100%;border-collapse:collapse;margin:12px 0;}
.oc-doc table.oc-items th{background:var(--navy);color:#fff;font-size:9.5px;padding:6px;text-align:left;}
.oc-doc table.oc-items td{font-size:10.5px;padding:5px 6px;border-bottom:1px solid var(--border);}
.oc-doc .oc-totales{margin-left:auto;width:260px;}
.oc-doc .oc-totales div{display:flex;justify-content:space-between;padding:3px 0;font-size:11.5px;}
.oc-doc .oc-totales .total{font-weight:bold;font-size:14px;border-top:2px solid var(--navy-dark);padding-top:6px;color:var(--navy-dark);}
.oc-doc .oc-condiciones{margin-top:14px;font-size:10.5px;white-space:pre-line;}
.oc-doc .oc-condiciones h4{font-size:10.5px;text-transform:uppercase;color:var(--accent);margin:0 0 4px;}
.oc-doc .oc-footer{text-align:center;font-size:9px;color:var(--grey);margin-top:22px;border-top:1px solid var(--border);padding-top:8px;}

.items-editor input, .items-editor select{width:100%;padding:6px;border:1px solid var(--border);border-radius:4px;font-size:12px;}
.items-editor td{padding:4px;}
.items-editor .btn-remove{background:var(--red);color:#fff;border:none;border-radius:4px;padding:6px 10px;cursor:pointer;font-size:11px;}