/* Modern Elegant Theme Overrides */
:root {
  --primary: #0b3a7a;
  --primary-2: #1b4ea2;
  --accent: #2563eb;
  --surface: #ffffff;
  --bg-grad-a: #0f172a;
  --bg-grad-b: #0b3a7a;
  --muted: #64748b;
  --border-strong: #e6e8ec;
  --ring: rgba(37, 99, 235, 0.25);
}

/* App background with subtle gradient and pattern */
body {
  background: radial-gradient(1200px 600px at 20% -10%, rgba(37, 99, 235, 0.15), transparent 60%), linear-gradient(160deg, #f6f9ff, #eef3ff);
}

/* Topbar: gradient, elevated */
.topbar {
  background: linear-gradient(120deg, var(--bg-grad-a), var(--bg-grad-b));
  padding: 0.9rem 0;
  box-shadow: 0 10px 30px rgba(13, 38, 76, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.topbar-title {
  color: #fff;
  font-size: 1.6rem;
  letter-spacing: 0.4px;
}
.topbar-logo {
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.3));
}

/* Cards: smooth, glass-like */
.card {
  border: 1px solid var(--border-strong) !important;
  border-radius: 16px !important;
  overflow: hidden;
}
.card-header {
  border-bottom: 1px solid var(--border-strong);
}
.card-header-actions .btn-sm {
  padding: 0.34rem 0.6rem;
}
.card-header .badge.bg-light {
  border: 1px solid var(--border-strong);
}
.card.shadow-sm {
  box-shadow: 0 8px 24px rgba(16, 24, 40, 0.08);
}

/* Form controls: large, clean */
.form-label {
  color: var(--muted);
  font-weight: 500;
}
.form-control,
.form-select {
  border-radius: 12px;
  border: 1px solid var(--border-strong);
}
.form-control:focus,
.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.25rem var(--ring);
}
.is-invalid {
  border-color: #ef4444 !important;
}
.invalid-feedback {
  font-size: 0.85rem;
  color: #ef4444;
}

/* Sections & grid layout */
.ui-form .form-section {
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}
.ui-form .form-section:not(:last-child) {
  border-bottom: 1px solid var(--border-strong);
}
.section-title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
}
.section-title i {
  color: var(--accent);
  font-size: 1rem;
}
.form-grid.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-grid.full {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.span-2 {
  grid-column: 1 / -1;
}

/* Buttons: corporate elegant */
.btn {
  border-radius: 12px;
  padding: 0.52rem 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.18s ease;
}
.btn-sm {
  padding: 0.38rem 0.7rem;
  border-radius: 10px;
}
.btn i {
  margin-right: 0.4rem;
  font-size: 1rem;
}
.btn:focus-visible {
  box-shadow: 0 0 0 0.2rem var(--ring);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #3b82f6);
  border: none;
  color: #fff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #0f172a;
  border: none;
  color: #fff;
}
.btn-secondary:hover {
  filter: brightness(1.05);
}

.btn-light {
  background: #fff;
  border: 1px solid var(--border-strong);
  color: #0f172a;
}
.btn-light:hover {
  background: #f8fafc;
}

.btn-outline-primary {
  border-color: var(--accent);
  color: var(--accent);
  background: #fff;
}
.btn-outline-primary:hover {
  background: rgba(37, 99, 235, 0.08);
}

.btn-outline-secondary {
  border: 1px solid var(--border-strong);
  color: #0f172a;
  background: #fff;
}
.btn-outline-secondary:hover {
  background: #f8fafc;
}

.btn-danger {
  background: #ef4444;
  border: none;
}
.btn-outline-danger {
  border-color: #ef4444;
  color: #ef4444;
}
.btn-outline-danger:hover {
  background: rgba(239, 68, 68, 0.08);
}

/* Item list container */
.item-list {
  border: 1px dashed #d7dbeb;
  background: #fff;
  border-radius: 12px;
}
.item-row {
  gap: 0.6rem;
}
.item-actions .btn {
  border-radius: 12px;
}

/* Invoice preview: modern paper */
.invoice.paper {
  border-radius: 18px;
  box-shadow: 0 16px 40px rgba(16, 24, 40, 0.12);
}
.invoice-header {
  position: relative;
  background: linear-gradient(135deg, #0b3a7a, #1b4ea2);
  padding: 1.2rem 1.25rem;
}
.invoice-header .title {
  font-size: 1.35rem;
  letter-spacing: 0.3px;
  padding-right: 88px;
}
.company-logo {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  height: 60px;
  width: auto;
}
/* Tambahkan border putih agar logo lebih terbaca di header biru */
.company-logo {
  border: 1px solid #fff;
  border-radius: 10px;
  padding: 4px;
  background: #ffffff4a;
}

.invoice-meta {
  padding: 1rem 1.25rem;
}
.meta-block {
  color: #0f172a;
}
.meta-block .label {
  color: #6b7280;
  font-weight: 500;
}

/* Table: rounded, airy */
.invoice-table {
  border-radius: 12px;
  overflow: hidden;
  margin: 0 1.25rem;
}
.invoice-table thead th {
  background: #f0f5ff;
  color: #0f172a;
}
.invoice-table tbody tr {
  border-bottom: 1px solid #eef2f7;
}
.invoice-table tbody tr:last-child {
  border-bottom: none;
}

/* Summary */
.summary {
  background: #f8fbff;
  border-radius: 12px;
}
.summary-table td:first-child {
  color: #0f172a;
}
.summary-table td:last-child {
  font-weight: 600;
}

/* Notes */
.notes-content {
  background: #fafcff;
  border-radius: 12px;
}

/* Signature & watermark */
.signature-img {
  filter: drop-shadow(0 3px 8px rgba(16, 24, 40, 0.12));
}
.sig-watermark {
  background: radial-gradient(120px 120px at 70% 30%, rgba(37, 99, 235, 0.2), transparent 60%), radial-gradient(140px 140px at 20% 60%, rgba(37, 99, 235, 0.18), transparent 60%);
  opacity: 0.12;
}

/* Print tidy */
@media print {
  body {
    background: #fff;
  }
}

/* Responsive refinements */
@media (max-width: 992px) {
  .topbar-title {
    font-size: 1.4rem;
  }
  .summary-table {
    width: 100%;
  }
  .form-grid.two {
    grid-template-columns: 1fr;
  }
}