:root {
    --bg: #FFFFFF;
    --bg-pane: #F2F2F7;
    --text: #191919;
    --text-muted: #666666;
    --text-label: #ededed;
    --text-light: #8E8E93;
    --primary: #FFCA07;
    --red: #FF3B30;
    --red-bg: #FFF2F2;
    --accent: #007AFF;
    --border: rgba(0, 0, 0, 0.08);
    --card-bg: #F7F7F7;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    font-family: 'Inter', sans-serif !important;
}

body {
    font-family: 'Inter', sans-serif !important;
    background: var(--bg-pane);
    color: var(--text);
    min-height: 100vh;
}

/* AUTH SCREEN */
#authScreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.auth-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 300px;
}

.auth-box img {
    height: 48px;
    width: auto;
    margin-bottom: 24px;
}

.auth-box input {
    padding: 12px;
    width: 100%;
    margin-bottom: 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    outline: none;
    text-align: center;
}

.auth-box button {
    padding: 12px 32px;
    width: 100%;
    background: #191919;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
}

body {
    background: var(--bg-pane);
    color: var(--text);
    line-height: 1.5;
}

.wrapper {
    display: grid;
    grid-template-columns: 480px 1fr;
    min-height: 100vh;
}

/* SIDEBAR & CHECKBOX FIXES */
.input-pane {
    background: var(--bg);
    border-right: 1px solid var(--border);
    padding: 32px;
    height: 100vh;
    position: sticky;
    top: 0;
    overflow-y: auto;
}

.logo img {
    width: 50px;
    height: auto;
    display: block;
    margin-bottom: 4px;
}

h1 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
}

.form-section {
    margin-bottom: 24px;
    padding-top: 12px;
}

.section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 14px;
}

.product-card-block {
    background: #F9F9F9;
    border: 1px solid #E5E5EA;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 18px;
    position: relative;
}

.remove-block-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    border: none;
    background: transparent;
    color: #AEAEB2;
    cursor: pointer;
}

/* ADD PRODUCT Minimal Text Button */
.btn-text {
    background: transparent;
    border: none;
    color: #191919;
    font-size: 13.5px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    /* Icon gap */
    opacity: 0.7;
    transition: opacity 0.2s ease;
    padding: 6px 0;
    margin-top: 10px;
    /* Spacing below header */
}

.btn-text:hover {
    opacity: 1;
}

.btn-minimal {
    background: transparent;
    border: 1px solid #ddd;
    color: #191919;
    font-size: 13px;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

/* Checkbox Alignment (Sidebar) */
.inner-addons {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.compact-check {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    cursor: pointer;
    color: var(--text);
}

.compact-check input {
    width: 14px;
    height: 14px;
    margin: 0;
    flex-shrink: 0;
}

.input-group {
    margin-bottom: 12px;
}

.input-group label {
    display: block;
    font-size: 12px;
    font-weight: 400;
    color: var(--text-muted);
    margin-bottom: 6px;
}

input,
textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #E5E5EA;
    font-size: 14px;
    font-family: inherit;
    color: #191919;
}

/* BUTTON REFINEMENT */
.btn {
    padding: 10px 18px;
    /* STRICT: Padding added */
    border-radius: 8px;
    /* STRICT: Border radius */
    border: none;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    line-height: 1;
}

.btn-large {
    padding: 12px 20px;
}

.btn-primary {
    background: #1C1C1E;
    color: white;
}

.btn-secondary {
    background: white;
    color: var(--text);
    border: 1px solid #ddd;
}

.btn-danger {
    background: var(--red-bg);
    color: var(--red);
    border: 1px solid #ffd6d6;
    margin-top: 10px;
}

/* Action Button Layout Refinement */
.action-section {
    width: 100%;
    max-width: 210mm;
    display: flex;
    flex-direction: column;
    gap: 12px;
    /* STRICT: Spacing between buttons */
    margin-top: 24px;
    margin-bottom: 80px;
}

.btn-whatsapp {
    background: #1C1C1E;
    color: white;
    width: 100%;
}

.btn-pdf {
    background: white;
    color: var(--text);
    border: 1px solid #ddd;
    width: 100%;
}

.btn-full {
    width: 100%;
}

/* PREVIEW PANE (A4) */
.preview-pane {
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--bg-pane);
}

.document-card {
    background: white;
    width: 210mm;
    min-height: 297mm;
    padding: 15mm 18mm;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    display: block;
    /* Reverted from flex to allow natural flow */
    position: relative;
    color: var(--text);
}

/* TOP SECTION WRAPPER */
.doc-content-wrapper {
    width: 100%;
}

/* FIXED: Right-Aligned Pricing Summary Block */
.pricing-summary {
    margin-left: auto;
    /* Push to right */
    width: 280px;
    /* Fixed clean block */
    margin-top: 10mm;
    page-break-inside: avoid;
    break-inside: avoid;
}

/* BOTTOM SECTION (KEEPS PAYMENT & NOTES TOGETHER) */
.bottom-section {
    margin-top: 24px;
    width: 100%;
    page-break-inside: avoid;
    break-inside: avoid;
}

.doc-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12mm;
}

.doc-meta {
    text-align: right;
    /* STRICT: Right alignment */
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.doc-meta h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    /* STRICT: #ffca07 */
    margin-bottom: 2mm;
}

.meta-row {
    font-size: 14px;
    margin-bottom: 1mm;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    color: var(--text-muted);
}

.address-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8mm;
    margin-bottom: 10mm;
}

.address-block {
    background: var(--card-bg);
    padding: 12px 18px;
    border-radius: 8px;
    line-height: 1.4;
    /* STRICT: Line spacing reduced */
}

.address-block label {
    display: block;
    font-size: 14px;
    /* Section Titles: 13-14px */
    font-weight: 600;
    color: var(--text);
    margin-bottom: 5px;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding-bottom: 2px;
}

.address-block p {
    font-size: 13.5px;
    /* Details: 13-14px */
    color: var(--text-muted);
    font-weight: 400;
}

.address-block p strong {
    color: var(--text);
    font-size: 14.5px;
    /* Names: 14-15px */
    font-weight: 500;
}

/* RESTORED: Rigid Product Table Structure */
.order-table {
    width: 100%;
    border-top: 2px solid #000;
    margin-top: 10px;
}

.table-header {
    display: grid;
    grid-template-columns: 1.8fr 80px 110px 120px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    padding: 12px 0;
    border-bottom: 2px solid #000;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.p-item-row-wrapper {
    break-inside: avoid;
    page-break-inside: avoid;
}

.p-item-row {
    display: grid;
    grid-template-columns: 1.8fr 80px 110px 120px;
    font-size: 14px;
    line-height: 1.4;
    align-items: flex-start;
    padding: 8px 0;
    /* Row Spacing as requested */
}

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

.text-right {
    text-align: right;
}

.text-name {
    font-weight: 500;
    font-size: 15px;
    color: var(--text);
}

.text-details {
    font-size: 13px;
    color: var(--text-muted);
    padding-left: 4mm;
    white-space: pre-line;
    margin-top: 1px;
}

.p-item-addon-line {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 13px;
    /* STRICT: Secondary Spec Size */
    font-weight: 400;
    line-height: 1.5;
    margin-bottom: 1px;
    padding-left: 4mm;
}

.p-item-addon-line {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 13px;
    /* STRICT: Secondary Spec Size */
    font-weight: 400;
    line-height: 1.5;
    margin-bottom: 2px;
    padding-left: 4mm;
}

.p-product-divider {
    height: 1px;
    background: #e5e5e5;
    margin: 12px auto;
    width: 95%;
    opacity: 0.8;
}

/* FIXED: Right-Aligned Pricing Summary */
.summary-block {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    /* Anchor block to RIGHT */
    padding-top: 6mm;
    /* Reduced since divider has margins */
}

.summary-top-divider {
    height: 1px;
    width: 100%;
    /* Match parent container exactly */
    background: #e5e5e5;
    /* STRICT: Light grey */
    margin: 12px 0;
    /* STRICT: Optimized margins */
}

.summary-row {
    display: flex;
    justify-content: space-between;
    width: 100%;
    /* Fill the 280px wrapper */
    font-size: 14px;
    margin-bottom: 3px;
    color: #191919;
}

.summary-row span:first-child {
    color: #191919;
}

.summary-row span:last-child {
    color: #191919;
    font-weight: 500;
}

.summary-row.milestone {
    font-weight: 500;
    margin-top: 2px;
}

.summary-row.milestone.last-milestone {
    margin-bottom: 8px;
    /* STRICT: 8px gap after payment */
}

.summary-row.milestone span:last-child {
    font-weight: 600;
}

.summary-row.secondary {
    font-weight: 400;
    color: #191919;
}

.summary-divider {
    height: 1px;
    width: 100%;
    background: #191919;
    margin: 8px 0;
}

.summary-row.total {
    margin-top: 16px;
    /* STRICT: Spacing before final total */
    color: #191919;
}

.summary-row.total strong:last-child {
    font-size: 18px;
    color: var(--primary);
    /* Keep #ffca07 */
    font-weight: 800;
}

/* FOOTER ALIGNMENT FIX */
.doc-footer {
    margin-top: 10mm;
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 8mm;
    align-items: start;
}

/* STRICT Title Alignment: Payment vs Notes */
.payment-info label {
    font-size: 14px;
    /* STRICT: Sync with NOTES title */
    font-weight: 600;
    color: #191919;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.payment-info p {
    font-size: 13px;
    color: #191919;
    line-height: 1.4;
    /* STRICT: Reduced for compactness */
    margin-bottom: 5px;
    /* STRICT: Reduced row spacing */
}

/* Action Grid Spacing */
.payment-info p strong {
    font-weight: 500;
    /* Label weight */
    margin-right: 4px;
}

.payment-info p:last-child {
    margin-bottom: 0;
}

/* 1. NOTES CARD SPACING & READABILITY FIX */
.notes-box {
    background: var(--card-bg);
    padding: 22px;
    /* STRICT: Increased Padding */
    border-radius: 8px;
}

.notes-box label {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    display: block;
    margin-bottom: 12px;
    /* STRICT: Title spacing */
    text-transform: uppercase;
}

.notes-box ul {
    padding-left: 20px;
    list-style-type: disc;
}

.notes-box li {
    font-size: 13px;
    line-height: 1.4;
    /* STRICT: Reduced for compactness */
    color: var(--text-muted);
    margin-bottom: 7px;
    /* STRICT: Reduced bullet spacing */
    text-align: left;
}

.notes-box li:last-child {
    margin-bottom: 0;
}

/* MOBILE RESPONSIVE (768px Breakpoint) */
@media screen and (max-width: 768px) {
    .wrapper {
        display: block;
    }

    .input-pane {
        width: 100%;
        height: auto;
        position: static;
        padding: 24px 16px;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .preview-pane {
        padding: 20px 12px;
        width: 100%;
        overflow-x: hidden;
    }

    /* STACKED INPUTS */
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    input,
    textarea,
    .btn {
        min-height: 44px;
        /* Touch friendly */
    }

    .section-title {
        font-size: 13px;
    }

    h1 {
        font-size: 15px;
    }

    /* ACTION BUTTONS: Vertically Stacked */
    .action-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .btn-large {
        padding: 14px 20px;
    }

    /* DOCUMENT PREVIEW: Responsive Scale */
    .document-card {
        width: 100% !important;
        min-width: unset !important;
        min-height: unset !important;
        padding: 20px 16px !important;
        box-shadow: none;
        border: 1px solid #ddd;
    }

    /* FROM / TO CARDS: Vertical Stack */
    .address-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    /* FOOTER GRID: Vertical Stack */
    .doc-footer {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }

    /* TABLE: Horizontal Scroll if needed */
    .order-table {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .table-header,
    .p-item-row {
        min-width: 500px;
        /* Ensure 4 cols visible */
    }

    .pricing-summary {
        width: 100%;
        max-width: 280px;
    }
}

@media print {
    @page {
        size: A4;
        margin: 0;
    }

    body {
        background: white !important;
    }

    .no-print,
    .input-pane,
    .action-section,
    #toast,
    .btn-text {
        display: none !important;
    }

    body {
        visibility: hidden;
    }

    .preview-pane,
    .document-card,
    .document-card * {
        visibility: visible;
    }

    .preview-pane {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        padding: 0 !important;
        background: white !important;
    }

    /* Document Container Print Resets */
    .document-card {
        box-shadow: none !important;
        margin: 0 !important;
        width: 210mm !important;
        min-height: 297mm !important;
        height: auto !important;
        /* Allow content to grow */
        overflow: visible !important;
        /* No clipping */
        display: flex !important;
        flex-direction: column !important;
    }

    /* Force Visibility for Critical Data */
    .doc-content-wrapper,
    .order-table,
    .summary-block,
    .doc-footer-section,
    .payment-info,
    .notes-box {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        overflow: visible !important;
    }

    /* Prevent Content Cut-off (Important Section Breaks) */
    .p-item-row-wrapper,
    .summary-block,
    .doc-footer-section,
    .payment-info,
    .notes-box {
        break-inside: avoid !important;
        page-break-inside: avoid !important;
    }

    /* Multi-page Logic */
    .doc-content-wrapper {
        flex-grow: 0 !important;
    }

    /* Stop expansion on p2+ */
    .doc-footer-section {
        margin-top: auto !important;
    }
}