/* invoice.css - Improved Mobile-Friendly Version */

:root {
    --color-primary: #063970;
    --color-accent: #dc3545;
    --muted: #6c757d;
}

/* container */
.invoice-root {
    background: #fff;
    border-radius: 12px;
    padding: 28px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.05);
    max-width: 900px;
    margin: auto;
}

/* header */
.invoice-header {
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.invoice-company {
    display:flex;
    gap:14px;
    align-items:center;
}

.invoice-company .brand {
    font-weight:700;
    color:var(--color-primary);
    font-size:22px;
    letter-spacing:0.3px;
}

/* addresses + metadata */
.invoice-block {
    display:flex;
    gap:28px;
    flex-wrap:wrap;
    margin-bottom: 24px;
}

.invoice-left, 
.invoice-right {
    min-width: 260px;
    line-height: 1.5;
}

.invoice-meta {
    text-align: right;
    min-width:180px;
    line-height: 1.6;
}

/* table */
.invoice-table {
    width:100%;
    border-collapse: collapse;
    margin-top: 20px;
    margin-bottom: 20px;
}

.invoice-table th, 
.invoice-table td {
    padding: 14px 10px;
    border-bottom: 1px solid #eee;
    font-size: 15px;
}

.invoice-table th {
    text-align: left;
    font-weight:600;
    color: var(--color-primary);
}

.invoice-table .qty,
.invoice-table .price,
.invoice-table .total {
    text-align: right;
    font-weight:600;
}

.item-img img {
    width:60px;
    height:60px;
    object-fit:cover;
    border-radius:6px;
    border:1px solid #f1f1f1;
}

/* summary */
.invoice-summary {
    display:flex;
    justify-content:flex-end;
    margin-top:18px;
}

.summary-box {
    width:350px;
    border-radius:10px;
    padding:16px;
    background: #fdfdfd;
    border:1px solid #ececec;
}

.summary-row {
    display:flex;
    justify-content:space-between;
    padding:8px 0;
    font-size:16px;
}

.summary-row.total { 
    font-weight:700; 
    font-size:18px; 
    color:var(--color-accent); 
}

/* footer note */
.invoice-note {
    margin-top:22px;
    color:var(--muted);
    font-size:14px;
    line-height: 1.6;
}

.invoice-actions {
  margin-top: 16px;
}

.invoice-actions .btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 6px;
  background: #f3f4f6;
  color: #111827;
  text-decoration: none;
  font-weight: 500;
}

.invoice-actions .btn:hover {
  background: #e5e7eb;
}


/* print rules */
@media print {
    body * { visibility: hidden; }
    .invoice-root, 
    .invoice-root * { visibility: visible; }
    .invoice-root { 
        position: absolute; 
        left: 0; 
        top: 0; 
        width:100%; 
    }
}

/* ========================================= */
/*            MOBILE OPTIMIZATION            */
/* ========================================= */
@media (max-width: 768px) {

    .invoice-root {
        padding: 20px 16px;
        border-radius: 10px;
    }

    .invoice-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 20px;
    }

    .invoice-company .brand {
        font-size: 20px;
    }

    .invoice-block {
        flex-direction: column;
        gap: 16px;
    }

    .invoice-meta {
        text-align: left;
    }

    .invoice-table th, 
    .invoice-table td {
        padding: 12px 6px;
        font-size: 14px;
    }

    .item-img img {
        width:54px;
        height:54px;
    }

    .invoice-summary {
        justify-content: center;
        margin-top: 22px;
    }

    .summary-box {
        width: 100%;
        padding: 14px;
        background: #fafafa;
    }

    .summary-row {
        font-size: 15px;
    }

    .summary-row.total {
        font-size: 17px;
    }

    .invoice-note {
        font-size: 13px;
        margin-top: 18px;
    }
}