:root {
  --bg: #0f172a;
  --panel: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --primary: #22c55e;
  --primary-700: #16a34a;
  --border: #1f2937;
}
.theme-light {
  --bg: #f6f7fb;
  --panel: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-700: #1d4ed8;
  --border: #e5e7eb;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
}
.topbar {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand {
  font-weight: 700;
  letter-spacing: .5px;
}
.brand-logo {
  width: 28px;
  height: 28px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.brand-name {
  font-weight: 700;
}
.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 16px;
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px;
}
.sidebar {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  height: fit-content;
}
.sidebar nav {
  display: grid;
  gap: 6px;
}
.sidebar a {
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text);
  text-decoration: none;
  border: 1px solid transparent;
}
.sidebar a:hover {
  border-color: var(--border);
  background: rgba(255,255,255,.02);
}
.sidebar a.active {
  background: var(--primary);
  color: #041c07;
  border-color: var(--primary-700);
}
.main {
  min-height: 60vh;
}
.content {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.form-grid {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}
label {
  display: grid;
  gap: 6px;
  font-size: 14px;
}
input {
  background: #0b1220;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
}
.theme-light input {
  background: #f9fafb;
  color: #111827;
}
.table {
  display: grid;
  gap: 6px;
}
.table-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 6px;
}
.table-head {
  font-weight: 600;
  color: var(--muted);
}
.table-head > div { white-space: nowrap; }
.table-settings .table-row {
  grid-template-columns: 60px 1fr 2fr 120px 120px;
}
.table-users .table-row {
  grid-template-columns: 60px 1.4fr 1.4fr 1.2fr 0.8fr 1.2fr 1.6fr 120px;
}
.table-users .table-row > div {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.table-items .table-row {
  grid-template-columns: 1fr 1.8fr 1.2fr 1.2fr 1fr 0.8fr 120px;
}
.thumb {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.actions {
  display: flex;
  gap: 8px;
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.02);
  color: var(--text);
}
.icon-btn:hover {
  background: rgba(255,255,255,.06);
}
.icon-btn[disabled] {
  opacity: .5;
  cursor: not-allowed;
}
.profile-menu .profile-dropdown.open { display: block !important; }
.profile-menu .avatar-btn .thumb {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}
.profile-menu .avatar-btn .thumb > img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}
.profile-menu .profile-dropdown {
  border-radius: 12px;
  padding: 8px;
}
.profile-menu .profile-dropdown .btn {
  display: block;
  width: 100%;
  text-align: center;
  margin: 0;
  border-radius: 10px;
}
.profile-menu .profile-dropdown .btn + .btn {
  margin-top: 8px;
}
.modal-backdrop {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  background: rgba(2,6,23,.6);
  backdrop-filter: blur(2px);
  z-index: 50;
}
.modal-backdrop.open {
  display: grid;
}
.modal {
  width: 100%;
  max-width: 520px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.modal-title {
  font-size: 18px;
  font-weight: 600;
}
.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.tab {
  padding: 8px 12px;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 10px 10px 0 0;
  background: rgba(255,255,255,.02);
  color: var(--text);
}
.tab.active {
  background: var(--panel);
}
@media print {
  @page { size: A4; margin: 10mm; }
  body { background: #fff !important; color: #000 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  body * { visibility: hidden !important; }
  .invoice-a4, .invoice-a4 * { visibility: visible !important; }
  .invoice-a4 { position: absolute !important; left: 0 !important; top: 0 !important; width: 100% !important; margin: 0 !important; padding: 10mm !important; }
  .invoice-a4 * { color: #000 !important; }
  .modal-backdrop { display: none !important; }
}
.invoice-a4 {
  width: 100%;
  margin: 0 auto;
  background: #fff;
  color: #000;
  padding: 10mm;
}
.invoice-copy {
  border: 1px dashed #999;
  padding: 8mm;
  margin-bottom: 8mm;
  page-break-inside: avoid;
}
.invoice-only .topbar,
.invoice-only .sidebar {
  display: none !important;
}
.invoice-only .footer { display: none !important; }
.invoice-only .content {
  background: #fff !important;
  border: none !important;
  padding: 0 !important;
}
.invoice-only .content > :not(.invoice-a4) {
  display: none !important;
}
.invoice-only .invoice-a4 {
  display: block !important;
  width: 100% !important;
  min-height: auto !important;
  margin: 20mm auto !important;
  padding: 10mm !important;
  max-width: 210mm;
}
.invoice-only .modal-backdrop { display: none !important; }
.invoice-only .layout {
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  grid-template-columns: 1fr !important;
}
.login-only .layout {
  grid-template-columns: 1fr !important;
}
.login-only .main {
  min-height: calc(100vh - 56px);
  display: grid;
  place-items: center;
}
.login-only .content {
  width: 100%;
  max-width: 520px;
}
.login-only .topbar {
  display: none !important;
}
.invoice-a4 .table-head { color: #333; }
.invoice-a4 .table .table-row {
  grid-template-columns: 3fr 1fr 1.2fr 1.2fr;
}
.tab-panel.hidden {
  display: none;
}
@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
}
.btn {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  border-color: var(--primary-700);
  color: #041c07;
}
.muted { color: var(--muted); }
.footer {
  margin-top: 12px;
  display: grid;
  place-items: center;
}
.footer-inner {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  text-align: center;
  width: 100%;
  max-width: 1200px;
}
.footer-sub {
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}
.chart {
  padding: 12px 4px;
}
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 180px;
}
.chart-bars .bar {
  flex: 1;
  background: var(--primary);
  border: 1px solid var(--primary-700);
  border-radius: 8px 8px 0 0;
  min-height: 2px;
}
.chart-axis {
  display: flex;
  gap: 4px;
  margin-top: 6px;
  font-size: 11px;
  color: var(--muted);
}
.chart-axis > div {
  flex: 1;
  text-align: center;
}