:root{
  --bg: #f2f4f8;
  --surface: #ffffff;
  --surface-2: #f8f9fc;
  --border: #e2e6ee;
  --text: #1c2333;
  --text-dim: #6b7488;
  --primary: #3b5bfd;
  --primary-dark: #2c46d6;
  --primary-light: #eef1ff;
  --ok: #17b26a;
  --ok-bg: #e7f9f0;
  --warn: #f79009;
  --warn-bg: #fef3e3;
  --danger: #f04438;
  --danger-bg: #fde9e7;
  --sidebar-bg: #131a2b;
  --sidebar-text: #aab2c5;
  --sidebar-active: #1e2740;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(20,25,45,0.08);
}

*{ box-sizing: border-box; margin:0; padding:0; }

body{
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14.5px;
}

button, input, select, textarea{ font-family: inherit; font-size: inherit; }
a{ color: inherit; }

/* ===================== LAYOUT ===================== */
.app{ display:grid; grid-template-columns: 250px 1fr; min-height: 100vh; }

.sidebar{
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display:flex;
  flex-direction: column;
  padding: 22px 14px;
  position: sticky;
  top:0;
  height: 100vh;
  overflow-y:auto;
}

.sidebar-brand{ display:flex; align-items:center; gap:10px; color:#fff; font-weight:800; font-size:1.15rem; padding: 0 8px 24px; }
.sidebar-brand .logo-badge, .login-brand .logo-badge{
  width:34px; height:34px; border-radius:9px;
  background: linear-gradient(135deg, var(--primary), #7c9bff);
  display:flex; align-items:center; justify-content:center;
  font-size: 1rem; color:#fff; font-weight:800;
}

.nav-section-label{ font-size:0.7rem; text-transform: uppercase; letter-spacing: 1px; color: #6b7488; padding: 16px 12px 6px; font-weight:700; }

.nav-item{
  display:flex; align-items:center; gap:10px; padding: 10px 12px; border-radius: 9px;
  cursor:pointer; font-weight:600; color: var(--sidebar-text);
  transition: background 0.15s ease, color 0.15s ease; text-decoration:none;
}
.nav-item:hover{ background: var(--sidebar-active); color:#fff; }
.nav-item.active{ background: var(--primary); color:#fff; }
.nav-item .ic{ font-size:1.05rem; width:20px; text-align:center; }

.nav-subitem{
  display:flex; align-items:center; gap:8px; padding: 8px 12px 8px 26px; border-radius: 8px;
  font-size:0.88rem; cursor:pointer; color: var(--sidebar-text); text-decoration:none;
}
.nav-subitem:hover{ background: var(--sidebar-active); color:#fff; }
.nav-subitem.active{ background: var(--sidebar-active); color: var(--primary-light); box-shadow: inset 3px 0 0 var(--primary); }

.sidebar-footer{ margin-top:auto; padding-top:16px; border-top: 1px solid rgba(255,255,255,0.08); }
.user-box{ padding: 12px; margin-top:8px; }
.user-name{ color:#fff; font-weight:700; font-size:0.9rem; }
.user-role{ color: var(--sidebar-text); font-size:0.78rem; margin-top:2px; }

.main{ display:flex; flex-direction:column; min-height:100vh; }

.topbar{ background: var(--surface); border-bottom: 1px solid var(--border); padding: 16px 28px; display:flex; align-items:center; justify-content: space-between; }
.topbar h1{ font-size:1.25rem; font-weight:800; }
.topbar .sub{ color:var(--text-dim); font-size:0.85rem; margin-top:2px; }

.view{ padding: 26px 28px 60px; flex:1; }

/* ===================== COMMON UI ===================== */
.btn{
  display:inline-flex; align-items:center; gap:7px; border:none; background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border); padding: 9px 16px; border-radius: 9px; font-weight:600; cursor:pointer;
  transition: all 0.15s ease; text-decoration:none;
}
.btn:hover{ border-color:#c7cde0; }
.btn-primary{ background: var(--primary); color:#fff; border-color:var(--primary); }
.btn-primary:hover{ background: var(--primary-dark); }
.btn-sm{ padding:6px 11px; font-size:0.82rem; border-radius:7px; }
.btn-danger{ color: var(--danger); }
.btn-danger:hover{ border-color: var(--danger); }
.btn-icon{ padding:7px 9px; }

.card{ background: var(--surface); border:1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }

.kpi-row{ display:grid; grid-template-columns: repeat(3,1fr); gap:18px; margin-bottom:22px; }
@media (max-width: 1050px){ .kpi-row{ grid-template-columns: 1fr; } }
.kpi-card{ padding:20px; }
.kpi-card h3{ font-size:1rem; margin:8px 0 14px; }
.kpi-line{ display:flex; justify-content:space-between; font-size:0.85rem; color:var(--text-dim); padding:4px 0; }
.kpi-line b{ color:var(--text); font-weight:700; }

.kpi-row-2{ display:grid; grid-template-columns: repeat(2,1fr); gap:18px; margin-bottom:22px; }
@media (max-width: 850px){ .kpi-row-2{ grid-template-columns:1fr; } }
.stat-mini{ display:flex; gap:14px; }
.stat-box{ flex:1; background:var(--surface-2); border:1px solid var(--border); border-radius:9px; padding:14px; text-align:center; }
.stat-box .n{ font-size:1.4rem; font-weight:800; color: var(--primary); }
.stat-box .l{ font-size:0.75rem; color:var(--text-dim); margin-top:2px; }

.section-header{ display:flex; align-items:center; justify-content:space-between; margin-bottom:18px; flex-wrap:wrap; gap:12px; }
.section-header h2{ font-size:1.3rem; font-weight:800; display:flex; align-items:center; gap:8px; }
.section-header .desc{ color:var(--text-dim); font-size:0.85rem; margin-top:3px; }

.toolbar{ display:flex; gap:10px; align-items:center; margin-bottom:16px; flex-wrap:wrap; }
.search-input{ flex:1; min-width:200px; }

input[type="text"], input[type="number"], input[type="date"], input[type="email"], input[type="password"], select, textarea{
  width:100%; background: var(--surface); border:1px solid var(--border); border-radius:9px; padding: 9px 12px; color: var(--text);
}
input:focus, select:focus, textarea:focus{ outline:none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }

table{ width:100%; border-collapse: collapse; }
thead th{ text-align:left; font-size:0.75rem; text-transform:uppercase; letter-spacing:0.4px; color:var(--text-dim); padding:12px 14px; border-bottom:1px solid var(--border); background: var(--surface-2); }
tbody td{ padding: 12px 14px; border-bottom:1px solid var(--border); font-size:0.88rem; }
tbody tr:last-child td{ border-bottom:none; }
tbody tr:hover{ background: var(--surface-2); }
.table-wrap{ overflow-x:auto; }
.empty-row td{ text-align:center; color:var(--text-dim); padding:34px; }

.badge{ display:inline-flex; align-items:center; gap:5px; padding:4px 10px; border-radius:999px; font-size:0.74rem; font-weight:700; }
.badge-ok{ background: var(--ok-bg); color: var(--ok); }
.badge-warn{ background: var(--warn-bg); color: var(--warn); }
.badge-danger{ background: var(--danger-bg); color: var(--danger); }
.badge-muted{ background: var(--surface-2); color: var(--text-dim); border:1px solid var(--border); }

.region-chip{ display:inline-flex; align-items:center; justify-content:center; min-width:28px; height:18px; padding:0 5px; border-radius:5px; font-size:0.64rem; font-weight:800; color:#fff; letter-spacing:0.3px; }
.region-chip.lg{ min-width:42px; height:26px; font-size:0.85rem; border-radius:7px; }
.rc-PE{ background:#d91023; }
.rc-CO{ background:#f2b705; color:#1c2333; }
.rc-US{ background:#2a3a8f; }

.row-actions{ display:flex; gap:6px; }

.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:14px; }
@media (max-width:560px){ .form-grid{ grid-template-columns:1fr; } }
.form-group{ margin-bottom:14px; }
.form-group.full{ grid-column: 1 / -1; }
label{ display:block; font-size:0.8rem; font-weight:700; color:var(--text-dim); margin-bottom:6px; }

.line-items{ border:1px solid var(--border); border-radius:9px; overflow:hidden; margin-top:6px; }
.line-head{ display:grid; grid-template-columns: 2.4fr 1fr 1fr 1fr 34px; gap:8px; background:var(--surface-2); padding:9px 10px; font-size:0.72rem; text-transform:uppercase; color:var(--text-dim); font-weight:700; }
.line-row{ display:grid; grid-template-columns: 2.4fr 1fr 1fr 1fr 34px; gap:8px; padding:8px 10px; border-top:1px solid var(--border); align-items:center; }
.line-row .line-total{ font-weight:700; font-size:0.88rem; }
.totals-box{ margin-top:14px; margin-left:auto; max-width:280px; }
.totals-box .t-row{ display:flex; justify-content:space-between; padding:6px 0; font-size:0.9rem; color:var(--text-dim); }
.totals-box .t-row.grand{ color:var(--text); font-weight:800; font-size:1.1rem; border-top:1px solid var(--border); margin-top:6px; padding-top:10px; }

.perm-matrix{ display:grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap:16px; margin-top:10px; margin-bottom:8px; }
.perm-group{ background: var(--surface-2); border:1px solid var(--border); border-radius:9px; padding:14px; }
.perm-group h4{ font-size:0.8rem; text-transform:uppercase; letter-spacing:0.4px; color:var(--text-dim); margin-bottom:10px; }
.perm-check{ display:flex; align-items:flex-start; gap:8px; font-size:0.85rem; font-weight:400; color:var(--text); margin-bottom:8px; cursor:pointer; }
.perm-check input{ width:auto; margin-top:3px; }

.alert{ padding:12px 16px; border-radius:9px; margin-bottom:18px; font-size:0.9rem; font-weight:600; }
.alert-success{ background: var(--ok-bg); color: var(--ok); }
.alert-danger{ background: var(--danger-bg); color: var(--danger); }

.empty-state{ text-align:center; padding:60px 20px; color:var(--text-dim); }
.empty-state .ic{ font-size:2.4rem; margin-bottom:10px; }

/* ===================== LOGIN ===================== */
.login-body{ display:flex; align-items:center; justify-content:center; min-height:100vh; background: linear-gradient(160deg, #131a2b 0%, #1e2740 100%); padding:20px; }
.login-card{ background: var(--surface); border-radius: var(--radius); padding:36px; width:100%; max-width:380px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); text-align:center; }
.login-brand{ display:flex; align-items:center; justify-content:center; gap:10px; font-weight:800; font-size:1.2rem; margin-bottom:6px; }
.login-sub{ color:var(--text-dim); font-size:0.85rem; margin-bottom:22px; }
.login-card form{ text-align:left; }
.login-card .form-group label{ margin-bottom:6px; }

/* ===================== PRINT DOCS ===================== */
.print-wrap{ max-width:800px; margin:30px auto; padding:20px; }
.doc-header{ display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:26px; }
.doc-title{ font-size:1.6rem; font-weight:800; }
.doc-meta{ text-align:right; font-size:0.85rem; color:#444; }
.doc-parties{ margin-bottom:24px; }
.doc-parties h4{ font-size:0.75rem; text-transform:uppercase; color:#888; margin-bottom:6px; }
.doc-table{ width:100%; border-collapse:collapse; margin-bottom:20px; }
.doc-table th, .doc-table td{ border:1px solid #ddd; padding:8px 10px; font-size:0.85rem; text-align:left; }
.doc-totals{ margin-left:auto; width:260px; }
.doc-totals div{ display:flex; justify-content:space-between; padding:5px 0; font-size:0.9rem; }
.doc-totals .grand{ font-weight:800; border-top:1px solid #333; margin-top:4px; padding-top:8px; }
@media print{ .no-print{ display:none !important; } }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px){
  .app{ grid-template-columns: 1fr; }
  .sidebar{ position:relative; height:auto; }
}