/* ===============================================
   ARABGULF INVOICE – Professional International Style
   =============================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary: #0f2942;
    --primary-light: #1a3a5c;
    --accent: #0066cc;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --bg: #f8fafc;
    --white: #ffffff;
    --table-header: #0f2942;
    --table-alt: #f8fafc;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    margin: 0;
    padding: 32px 24px;
    line-height: 1.6;
    direction: ltr;
    -webkit-font-smoothing: antialiased;
}

/* ========== Landing ========== */
.invoice-home {
    max-width: 420px;
    margin: 100px auto;
    text-align: center;
    background: var(--white);
    padding: 48px 44px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 10px 20px -5px rgba(0,0,0,0.08);
}

.invoice-home h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 6px 0;
    letter-spacing: -0.02em;
}

.invoice-home p {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 14px;
}

.invoice-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.invoice-links a {
    display: block;
    padding: 14px 24px;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: background 0.2s, box-shadow 0.2s;
}

.invoice-links a:hover {
    background: var(--primary-light);
    box-shadow: 0 4px 12px rgba(15, 41, 66, 0.25);
}

.invoice-links a:last-child {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.invoice-links a:last-child:hover {
    background: rgba(15, 41, 66, 0.04);
}

/* ========== Login Page ========== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-box {
    width: 100%;
    max-width: 380px;
    background: var(--white);
    padding: 40px 36px;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.1);
    border: 1px solid var(--border);
}

.login-box h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 4px 0;
    text-align: center;
}

.login-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 28px;
}

.login-form .field {
    margin-bottom: 16px;
}

.login-form .field label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.login-form input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
}

.login-form input:focus {
    outline: none;
    border-color: var(--accent);
}

.login-error {
    color: #dc2626;
    font-size: 12px;
    margin-bottom: 12px;
    min-height: 18px;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}

.btn-login:hover {
    background: var(--primary-light);
}

/* ========== Invoice Page ========== */
.invoice-page {
    max-width: 880px;
    margin: 0 auto;
    background: var(--white);
    padding: 44px 56px;
    box-shadow: 0 2px 8px rgba(15, 41, 66, 0.06), 0 24px 48px -12px rgba(0,0,0,0.1);
    border-radius: 12px;
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.invoice-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.invoice-actions .btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: opacity 0.2s, transform 0.15s;
    font-family: inherit;
}

.invoice-actions .btn:hover {
    opacity: 0.92;
    transform: translateY(-0.5px);
}

.btn-print {
    background: var(--primary);
    color: var(--white);
}

.btn-shipping {
    background: var(--accent);
    color: var(--white);
}

.btn-back {
    background: var(--border);
    color: var(--text);
}

/* Meta inputs (Invoice No, Date) */
.meta-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.meta-row label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    min-width: 90px;
}

.meta-input {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    background: var(--white);
}

.meta-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

/* ========== PURCHASE & SHIPPING HEADER ========== */
.company-name-top {
    text-align: center;
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-row .invoice-type {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}

.header-row .invoice-logo {
    max-height: 52px;
    width: auto;
    object-fit: contain;
}

.header-line {
    height: 2px;
    background: var(--primary);
    margin: 16px 0 24px 0;
}

.invoice-meta-inline {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.invoice-meta-inline span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.meta-input-inline {
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 2px 0;
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    min-width: 140px;
    background: transparent;
    font-family: inherit;
}

.meta-input-inline:focus {
    outline: none;
    border-bottom-color: var(--accent);
}

.purchase-invoice .invoice-table-wrap {
    margin-bottom: 28px;
}

.invoice-body-purchase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 20px;
}

.invoice-body-purchase .invoice-block {
    min-width: 0;
}

.purchase-invoice .company-block .company-info {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

.purchase-invoice .invoice-meta {
    font-size: 12px;
}

/* ========== SHIPPING INVOICE ========== */
.shipping-invoice .invoice-body-purchase {
    margin-bottom: 20px;
}

/* ========== Invoice Footer (Seal) ========== */
.invoice-footer {
    margin-top: 36px;
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.invoice-footer.no-border {
    border-top: none;
}

.invoice-footer .invoice-seal {
    text-align: center;
}

.invoice-footer .invoice-seal img {
    max-width: 320px;
    width: 100%;
    height: auto;
}

/* ========== Totals Table ========== */
.totals-table {
    width: 100%;
    max-width: 300px;
    margin-left: auto;
    margin-bottom: 24px;
    border-collapse: collapse;
    border: 1px solid #333;
}

.totals-table td {
    padding: 6px 12px;
    border: 1px solid #999;
}

.totals-table td:first-child {
    font-weight: 600;
}

.totals-table td:last-child {
    text-align: right;
}

.totals-table .total-row td {
    font-weight: 700;
    font-size: 14px;
    color: var(--primary);
    background: #f5f7fa;
}

.totals-table input[type="number"] {
    width: 65px;
    padding: 2px 6px;
    border: 1px solid var(--border);
    border-radius: 4px;
    text-align: right;
}

/* ========== Shared: invoice-block ========== */
.invoice-block h3 {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary);
    margin: 0 0 8px 0;
}

.invoice-block input,
.invoice-block textarea {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 12px;
    font-family: inherit;
}

.invoice-block input:focus,
.invoice-block textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.invoice-block textarea {
    min-height: 40px;
    resize: vertical;
}

.invoice-block label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.invoice-block .field {
    margin-bottom: 8px;
}

.invoice-block .field:last-child {
    margin-bottom: 0;
}

/* ========== Table ========== */
.invoice-table-wrap {
    overflow-x: auto;
    margin-bottom: 20px;
}

.invoice-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    border: 1px solid #333;
}

.invoice-table th,
.invoice-table td {
    padding: 8px 12px;
    border: 1px solid #999;
    text-align: left;
}

.invoice-table thead th {
    background: #333;
    color: #fff;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

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

.invoice-table input {
    width: 100%;
    padding: 4px 8px;
    border: 1px solid #ddd;
    font-size: 12px;
    font-family: inherit;
}

.invoice-table input:focus {
    outline: none;
    border-color: var(--accent);
}

.invoice-table .col-desc { min-width: 180px; }
.invoice-table .col-price { width: 100px; text-align: right; }
.invoice-table .col-qty { width: 70px; text-align: center; }
.invoice-table .col-amount { width: 100px; text-align: right; font-weight: 600; }

.invoice-seal {
    text-align: center;
}

.invoice-seal img {
    max-width: 260px;
    width: 100%;
    height: auto;
}


/* ===============================================
   PRINT
   =============================================== */
@media print {
    @page {
        size: A4;
        margin: 10mm;
    }

    html {
        font-size: 11px;
    }

    body {
        margin: 0 !important;
        padding: 0 !important;
        background: #fff !important;
        color: #000;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        overflow: visible !important;
    }

    * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .invoice-page {
        max-width: none !important;
        width: 100% !important;
        box-shadow: none !important;
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
        border-radius: 0 !important;
        page-break-inside: avoid;
    }

    .invoice-actions,
    .no-print {
        display: none !important;
    }

    .company-name-top {
        font-size: 14px;
    }

    .header-row .invoice-type {
        font-size: 16px;
        color: #000;
    }

    .header-row .invoice-logo {
        max-height: 44px;
    }

    .header-line {
        background: #000 !important;
        margin: 12px 0 16px 0;
    }

    .meta-input-inline {
        border: none !important;
        border-bottom: none !important;
        padding: 0 !important;
        background: transparent !important;
    }

    .invoice-body-purchase {
        margin-bottom: 12px;
        gap: 16px;
    }

    .invoice-block .company-info,
    .invoice-meta-inline {
        font-size: 9px;
        color: #000;
    }

    .invoice-block input,
    .invoice-block textarea,
    .meta-input {
        border: none !important;
        padding: 0 !important;
        background: transparent !important;
        font-size: 9px;
    }

    .invoice-block h3 {
        font-size: 9px;
    }

    .invoice-block .field {
        margin-bottom: 4px;
    }

    .totals-table {
        margin-bottom: 12px;
    }

    .totals-table td {
        font-size: 10px;
        padding: 4px 8px;
        border: 1px solid #000 !important;
    }

    .totals-table .total-row td {
        font-size: 11px;
        background: #eee !important;
    }

    .totals-table input[type="number"] {
        border: none !important;
        background: transparent !important;
    }

    .invoice-table-wrap {
        margin-bottom: 10px;
    }

    .invoice-table {
        font-size: 10px;
        border: 1px solid #000 !important;
    }

    .invoice-table th,
    .invoice-table td {
        padding: 5px 8px;
        border: 1px solid #666 !important;
    }

    .invoice-table th {
        font-size: 9px;
        background: #333 !important;
        color: #fff !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .invoice-table tbody tr:nth-child(even) {
        background: #f9f9f9 !important;
    }

    .invoice-table input {
        border: none !important;
        padding: 0 !important;
        background: transparent !important;
        font-size: 10px;
    }

    .invoice-footer {
        margin-top: 20px;
        padding-top: 20px;
    }

    .invoice-footer.no-border {
        border-top: none !important;
    }

    .invoice-footer .invoice-seal img {
        max-width: 260px !important;
        width: 260px !important;
    }

    .invoice-page > * {
        page-break-inside: avoid;
    }
}