:root {
  --ink: #1c2430;
  --ink-soft: #4c5867;
  --paper: #f6f4ef;
  --panel: #ffffff;
  --line: #e2ddd1;
  --navy: #1f3a4d;
  --navy-deep: #142731;
  --amber: #c98a3e;
  --amber-soft: #f2e2c8;
  --ok: #2f7a56;
  --warn: #b4552d;
  --danger: #a33a3a;
  --radius: 6px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
}

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--navy-deep);
  color: #dce6ea;
  padding: 22px 0;
  display: flex;
  flex-direction: column;
}

.brand {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
  letter-spacing: 0.02em;
  color: #fff;
  padding: 0 20px 18px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 10px;
}
.brand small {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  margin-top: 4px;
}

.nav-link {
  display: block;
  padding: 10px 20px;
  color: #b9c6cd;
  text-decoration: none;
  font-size: 13.5px;
  border-left: 3px solid transparent;
}
.nav-link:hover { background: rgba(255,255,255,0.05); color: #fff; }
.nav-link.active {
  background: rgba(201,138,62,0.14);
  border-left-color: var(--amber);
  color: #fff;
  font-weight: 600;
}

.sidebar-footer {
  margin-top: auto;
  padding: 14px 20px 0 20px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 12px;
  color: #93a2ab;
}
.sidebar-footer form { margin-top: 8px; }
.sidebar-footer button {
  background: none;
  border: 1px solid rgba(255,255,255,0.25);
  color: #dce6ea;
  padding: 5px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 12px;
}
.sidebar-footer button:hover { border-color: var(--amber); color: var(--amber); }

.main {
  flex: 1;
  padding: 28px 34px;
  max-width: 1400px;
}

.page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}
.page-header h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  margin: 0;
  color: var(--navy-deep);
}
.page-header .sub { color: var(--ink-soft); font-size: 12.5px; margin-top: 3px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 20px;
}
.panel h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 0 0 14px 0;
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--line);
  padding: 8px 10px;
  white-space: nowrap;
}
tbody td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
tbody tr:hover { background: #fbfaf6; }
.numeric { text-align: right; font-variant-numeric: tabular-nums; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  align-items: end;
}
label {
  display: block;
  font-size: 11.5px;
  color: var(--ink-soft);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
input, select, textarea {
  width: 100%;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13.5px;
  background: #fffdfa;
  color: var(--ink);
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--amber);
  outline-offset: 1px;
  border-color: var(--amber);
}
textarea { resize: vertical; min-height: 40px; }

.btn {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--navy-deep); }
.btn.amber { background: var(--amber); color: #2a1c08; }
.btn.amber:hover { background: #b47a30; }
.btn.ghost {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--line);
}
.btn.ghost:hover { border-color: var(--navy); }
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn.whatsapp { background: #25864a; color: #fff; }
.btn.whatsapp:hover { background: #1e6d3c; }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge.pending { background: #f2e2c8; color: var(--warn); }
.badge.ready { background: #d6e7ff; color: #1d5aa3; }
.badge.completed { background: #d9ecdf; color: var(--ok); }
.badge.cancelled { background: #f3d9d9; color: var(--danger); }
.badge.received { background: #d9ecdf; color: var(--ok); }
.badge.not-received { background: #f2e2c8; color: var(--warn); }
.badge.admin { background: #ded1e8; color: #5b3a76; }
.badge.sales { background: #d6e7ff; color: #1d5aa3; }

.error-box {
  background: #fbe9e7;
  border: 1px solid #e3b3ac;
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 13px;
}

.empty-state {
  color: var(--ink-soft);
  font-style: italic;
  padding: 14px 0;
}

.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--navy-deep), var(--navy) 60%);
}
.login-card {
  background: var(--panel);
  padding: 36px 34px;
  border-radius: 8px;
  width: 320px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.login-card h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  margin: 0 0 4px 0;
  color: var(--navy-deep);
}
.login-card .sub { color: var(--ink-soft); font-size: 12.5px; margin-bottom: 22px; }
.login-card label { margin-top: 12px; }
.login-card .btn { width: 100%; margin-top: 18px; text-align: center; }

.invoice-sheet {
  background: #fff;
  border: 1px solid var(--line);
  padding: 30px 34px;
  max-width: 780px;
}
.invoice-sheet .head {
  display: flex;
  justify-content: space-between;
  border-bottom: 2px solid var(--navy-deep);
  padding-bottom: 14px;
  margin-bottom: 18px;
}
.invoice-sheet .head h2 { margin: 0; font-family: Georgia, serif; color: var(--navy-deep); }
.invoice-sheet .totals { margin-top: 14px; width: 100%; max-width: 320px; margin-left: auto; }
.invoice-sheet .totals td { padding: 5px 8px; border: none; }
.invoice-sheet .totals tr.grand td { font-weight: 700; border-top: 1px solid var(--line); font-size: 15px; }

.line-items-table input { padding: 6px 7px; font-size: 12.5px; }
.line-items-table th { font-size: 10.5px; }
.remove-line { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 16px; line-height: 1; }

.actions-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }

@media print {
  .sidebar, .no-print { display: none !important; }
  .main { padding: 0; max-width: none; }
  .invoice-sheet { border: none; }
}