:root{
  --primary:#2563eb;
  --primary-hover:#1d4ed8;
  --text:#111827;
  --text-secondary:#6b7280;
  --border:#e5e7eb;
  --success:#22c55e;
  --danger:#ef4444;
  --warning:#f59e0b;
  --radius-md:12px;
  --radius-sm:8px;
}

/* =========================================================
   INVOICE CARD
   ========================================================= */

.invoice-card{
  border-radius:18px !important;
  overflow:hidden;
}

.invoice-card .card-body{
  font-family:'Inter','Poppins',sans-serif;
}

/* =========================================================
   BUSINESS HEADER
   ========================================================= */

.invoice-logo{
  width:72px;
  height:72px;
  object-fit:cover;
  border-radius:12px;
  background:#f5f7fb;
  border:1px solid var(--border);
  padding:0;
}

.invoice-card h3{
  color:var(--text);
  letter-spacing:-.02em;
  font-size:26px;
}

.invoice-card .text-muted{
  color:var(--text-secondary) !important;
}

.invoice-card h3 + p,
.invoice-card .small{
  font-size:14px;
  line-height:1.6;
}

/* Invoice number + date block (top right) */

.invoice-card h5.fw-bold{
  color:var(--text);
  font-size:20px;
  letter-spacing:-.01em;
}

/* =========================================================
   STATUS BADGE
   ========================================================= */

.invoice-card .badge{
  font-size:12.5px;
  font-weight:600;
  padding:6px 14px;
  border-radius:999px;
  letter-spacing:.02em;
}

.invoice-card .badge.bg-success{
  background:#dcfce7 !important;
  color:#15803d !important;
}

.invoice-card .badge.bg-warning{
  background:#fef3c7 !important;
  color:#92400e !important;
}

.invoice-card .badge.bg-danger{
  background:#fee2e2 !important;
  color:#b91c1c !important;
}

/* =========================================================
   BILL TO / PAYMENT SECTION
   ========================================================= */

.invoice-card .row.g-4 p.text-muted{
  font-size:12px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--text-secondary) !important;
  margin-bottom:6px;
}

.invoice-card .row.g-4 h5{
  color:var(--text);
  font-size:19px;
  margin-bottom:6px;
}

.invoice-card .row.g-4 .mb-0{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.7;
}

/* =========================================================
   BORDERS / DIVIDERS
   ========================================================= */

.invoice-card .border-bottom{
  border-color:var(--border) !important;
}

.invoice-card .border-top{
  border-color:var(--border) !important;
}

/* =========================================================
   ITEMS TABLE
   ========================================================= */

.invoice-card .table{
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--border);
}

.invoice-card .table thead.table-dark th{
  background:#111827 !important;
  color:#ffffff;
  font-size:12px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.05em;
  padding:14px 16px;
  border:none;
}

.invoice-card .table tbody td{
  padding:12px 16px;
  font-size:14.5px;
  color:var(--text);
  border-color:var(--border);
  vertical-align:middle;
}

.invoice-card .table tbody tr:nth-child(even) td{
  background:#f9fafb;
}

.invoice-card .table tbody tr:hover td{
  background:#f3f4f6;
}

/* =========================================================
   TOTALS SECTION
   ========================================================= */

.invoice-card .row.justify-content-end{
  margin-top:8px;
}

.invoice-card .row.justify-content-end .text-muted{
  font-size:14px;
}

.invoice-card .row.justify-content-end strong{
  font-size:15px;
  color:var(--text);
}

.invoice-card .row.justify-content-end .fw-semibold{
  font-size:15.5px;
  color:var(--text);
}

.invoice-card .text-primary{
  color:var(--primary) !important;
  font-size:20px !important;
}

.invoice-card .text-danger{
  color:var(--danger) !important;
}

/* Grand total row gets a highlighted background */

.invoice-card .row.justify-content-end .col-12{
  background:#f8fafc;
  border-radius:var(--radius-sm);
  padding:20px 24px;
  border:1px solid var(--border);
}

/* =========================================================
   FOOTER
   ========================================================= */

.invoice-card .border-top.mt-5{
  color:var(--text-secondary);
  font-size:14px;
  font-style:italic;
}

/* =========================================================
   TOP ACTION BAR (Back / Print buttons)
   ========================================================= */

.no-print .btn-outline-secondary{
  height:44px;
  border-radius:var(--radius-sm);
  border-color:var(--border);
  color:var(--text-secondary);
  font-weight:600;
  padding:0 20px;
}

.no-print .btn-outline-secondary:hover{
  background:#f3f4f6;
  border-color:var(--border);
  color:var(--text);
}

.no-print .btn-primary{
  height:44px;
  border-radius:var(--radius-sm);
  background:var(--primary);
  border:none;
  font-weight:600;
  padding:0 22px;
  box-shadow:0 1px 2px rgba(37,99,235,.08), 0 8px 20px -6px rgba(37,99,235,.45);
  transition:.2s ease;
}

.no-print .btn-primary:hover{
  background:var(--primary-hover);
  transform:translateY(-1px);
  box-shadow:0 1px 2px rgba(29,78,216,.1), 0 12px 26px -6px rgba(29,78,216,.55);
}

/* =========================================================
   PRINT STYLES — clean printed invoice
   ========================================================= */

@media print{
  body{
    background:#fff !important;
  }

  .invoice-card{
    border-radius:0 !important;
  }

  .invoice-card .table thead.table-dark th{
    background:#111827 !important;
    -webkit-print-color-adjust:exact;
    print-color-adjust:exact;
  }

  .invoice-card .row.justify-content-end .col-12{
    background:#fff !important;
    border:1px solid #ddd !important;
  }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width:768px){
  .invoice-card h3{
    font-size:21px;
  }

  .invoice-logo{
    width:56px;
    height:56px;
  }

  .invoice-card .table thead.table-dark th{
    font-size:11px;
    padding:10px 8px;
  }

  .invoice-card .table tbody td{
    font-size:13px;
    padding:8px 8px;
  }

  .invoice-card .row.justify-content-end .col-12{
    padding:16px;
  }
}