/* ========== MONOCHROME DESIGN SYSTEM (DevKit) ========== */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #171717;
    --bg-tertiary: #1f1f1f;
    --bg-hover: #262626;
    --border-primary: #2e2e2e;
    --border-secondary: #404040;
    --text-primary: #fafafa;
    --text-secondary: #a3a3a3;
    --text-tertiary: #737373;
    --accent-primary: #fafafa;
    --accent-hover: #d4d4d4;
    --accent-subtle: #262626;
    --shadow-sm: 0 2px 8px rgba(0,0,0,.2);
    --shadow: 0 8px 32px rgba(0,0,0,.4);
    --shadow-lg: 0 16px 48px rgba(0,0,0,.5);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: .2s ease;
    --font: 'Inter', system-ui, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
}

[data-theme="light"] {
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f5f5f5;
    --bg-hover: #f0f0f0;
    --border-primary: #e5e5e5;
    --border-secondary: #d4d4d4;
    --text-primary: #171717;
    --text-secondary: #525252;
    --text-tertiary: #737373;
    --accent-primary: #171717;
    --accent-hover: #404040;
    --accent-subtle: #e5e5e5;
    --shadow-sm: 0 2px 8px rgba(0,0,0,.04);
    --shadow: 0 8px 32px rgba(0,0,0,.07);
    --shadow-lg: 0 16px 48px rgba(0,0,0,.1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; background: var(--bg-primary); font-family: var(--font); color: var(--text-primary); transition: background .3s, color .3s; }

/* ===== LOADING SCREEN ===== */
#loadingScreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
#loadingScreen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.loading-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    animation: fadeIn 1s ease-out;
}
.loading-icon-img {
    width: 96px;
    height: 96px;
    border-radius: 24px;
    object-fit: cover;
    box-shadow: var(--shadow);
    animation: pulseGlow 2s infinite alternate;
}
.loading-brand {
    font-family: var(--font);
    font-weight: 800;
    font-size: 2.2rem;
    letter-spacing: -1px;
    color: var(--text-primary);
}
.loading-sub {
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.5em;
    color: var(--text-secondary);
    margin-top: -8px;
}
.loading-by {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-top: 4px;
}
.loading-spinner {
    width: 36px;
    height: 36px;
    margin-top: 20px;
    border: 3px solid var(--border-primary);
    border-top: 3px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulseGlow {
    0% { box-shadow: 0 8px 32px rgba(0,0,0,.3); }
    100% { box-shadow: 0 12px 48px rgba(0,0,0,.2); }
}

/* ===== APP SHELL ===== */
.app-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 1700px;
    margin: 0 auto;
    padding: 14px 20px 24px;
    background: linear-gradient(160deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}
.app-header {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius);
    padding: 12px 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all .3s;
}
.app-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -.5px;
}
.brand-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 8px;
}
.app-nav { display: flex; gap: 4px; background: var(--bg-primary); border-radius: var(--radius-sm); padding: 4px; }
.nav-btn {
    border: none;
    background: transparent;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all .2s;
    font-family: var(--font);
}
.nav-btn.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
}
.nav-btn:hover:not(.active) { color: var(--text-primary); background: var(--bg-hover); }
.app-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.app-actions .btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 13px;
    padding: 8px 14px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all .2s;
    font-family: var(--font);
}
.btn-primary-action {
    background: var(--accent-primary);
    color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
}
.btn-primary-action:hover { background: var(--accent-hover); }
.btn-ghost {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-dark-toggle {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    cursor: pointer;
}
.btn-dark-toggle:hover { background: var(--bg-hover); }

.hidden { display: none !important; }

/* ===== INSTALL BUTTON (monochrome) ===== */
.btn-install {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: all .2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font);
}
.btn-install:hover {
    background: var(--bg-hover);
    border-color: var(--border-secondary);
    color: var(--text-primary);
    transform: translateY(-1px);
}
.btn-install.hidden { display: none !important; }

/* ===== CLEAR DATA BUTTON ===== */
.btn-danger-custom {
    background: transparent;
    color: var(--text-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all .2s;
    font-family: var(--font);
}
.btn-danger-custom:hover {
    background: var(--accent-subtle);
    color: var(--text-primary);
    border-color: var(--border-secondary);
}

.main-grid { display: grid; grid-template-columns: 440px 1fr; gap: 20px; flex: 1; align-items: start; }
.input-panel {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 22px 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-primary);
    transition: all .3s;
}
.input-panel:hover { box-shadow: var(--shadow-lg); }
.panel-section { margin-bottom: 20px; }
.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-primary);
}
.section-head h6 {
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .4px;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}
.section-head h6 i { color: var(--accent-primary); }
.badge-add {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 12px;
    padding: 4px 14px;
    border-radius: 30px;
    cursor: pointer;
    border: 1px solid var(--border-primary);
    transition: all .2s;
    display: flex;
    align-items: center;
    gap: 4px;
}
.badge-add:hover { background: var(--accent-primary); color: var(--bg-primary); border-color: var(--accent-primary); }
.form-control-lg-custom {
    font-size: 14px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-primary);
    background: var(--bg-tertiary);
    width: 100%;
    transition: all .2s;
    font-family: var(--font);
    color: var(--text-primary);
}
.form-control-lg-custom:focus {
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
    outline: none;
}
.form-label-lg {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
    display: block;
}
.item-row {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: 12px;
    margin-bottom: 10px;
    border: 1px solid var(--border-primary);
    position: relative;
    transition: all .2s;
}
.item-row:hover { border-color: var(--border-secondary); }
.item-row .remove-btn {
    position: absolute;
    top: 4px;
    right: 6px;
    color: var(--text-tertiary);
    background: none;
    border: none;
    font-size: 15px;
    cursor: pointer;
    transition: all .2s;
}
.item-row .remove-btn:hover { color: var(--text-primary); transform: scale(1.2); }
.item-row .col-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: .3px;
    margin-bottom: 2px;
}
.item-row input {
    font-size: 13px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-primary);
    background: var(--bg-secondary);
    width: 100%;
    transition: all .2s;
    font-family: var(--font);
    color: var(--text-primary);
}
.item-row input:focus {
    border-color: var(--accent-primary);
    outline: none;
}
.item-row input[readonly] {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
}

.tab-content { display: none; }
.tab-content.active { display: block; }

#settingsPanel {
    display: none;
    margin-top: 14px;
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    overflow: hidden;
    transition: all .3s;
}
#settingsPanel.open { display: block; }
.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
}
.settings-header h6 { font-weight: 700; font-size: 14px; margin: 0; display: flex; align-items: center; gap: 8px; }
.settings-body { padding: 14px 16px 18px; max-height: 420px; overflow-y: auto; }
.setting-group { margin-bottom: 14px; }
.setting-group-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 4px;
    border-bottom: 1px solid var(--border-primary);
    padding-bottom: 4px;
}
.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 3px 0;
    gap: 8px;
}
.setting-row label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin: 0;
    min-width: 70px;
}
.setting-row .control {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    justify-content: flex-end;
}
.setting-row .control input[type="color"] {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-primary);
    cursor: pointer;
    padding: 2px;
    background: var(--bg-tertiary);
}
.setting-row .control input[type="range"] {
    flex: 1;
    max-width: 130px;
    accent-color: var(--accent-primary);
}
.setting-row .control .val {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 34px;
    text-align: right;
}
.btn-reset-settings {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
    background: none;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    padding: 4px 12px;
    cursor: pointer;
    transition: all .2s;
}
.btn-reset-settings:hover { background: var(--accent-primary); color: var(--bg-primary); border-color: var(--accent-primary); }

/* ===== PREVIEW (Invoice / Quotation) ===== */
.invoice-wrapper {
    width: 210mm;
    min-height: 297mm;
    margin: 0 auto;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    position: relative;
    padding: 125px 40px 150px 40px;
    overflow: hidden;
    box-sizing: border-box;
    border: 1px solid var(--border-primary);
    display: none;
}
.invoice-wrapper.active { display: block; }
.letterhead-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}
.letterhead-layer img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.letterhead-layer.hidden { display: none; }
.content-layer { position: relative; z-index: 1; }

.inv-header-title {
    text-align: center;
    font-weight: 800;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    margin-bottom: 25px;
    font-size: 26px;
    color: var(--text-primary);
}
.inv-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    margin-bottom: 20px;
}
.inv-meta div {
    font-weight: 700;
    font-size: 15px;
    color: var(--text-primary);
}
.inv-number-full-red { color: var(--text-primary); }
.inv-company-name {
    font-weight: 700;
    margin: 0 0 25px;
    font-size: 18px;
    color: var(--text-primary);
    text-align: left;
}
.inv-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 10px;
    border: 1px solid var(--border-secondary);
}
.inv-table th, .inv-table td {
    border: 1px solid var(--border-secondary);
    padding: 10px 14px;
    text-align: center;
    font-size: 14px;
    color: var(--text-primary);
}
.inv-table th { font-weight: 700; }
.inv-table td.desc-col { text-align: left; min-width: 200px; }
.total-box {
    display: flex;
    justify-content: space-between;
    border: 1px solid var(--border-secondary);
    padding: 10px 18px;
    margin-top: -1px;
    width: 100%;
    background: var(--bg-secondary);
}
.total-box span {
    font-size: 15px;
    color: var(--text-primary);
}
.amount-in-words {
    font-weight: 700;
    margin-top: 16px;
    font-size: 15px;
    color: var(--text-primary);
}
.signature-area {
    position: absolute;
    bottom: 40px;
    right: 40px;
    text-align: center;
    width: 200px;
    z-index: 1;
}
.signature-line {
    width: 200px;
    border-bottom: 1px solid var(--border-secondary);
    margin: 10px auto 0;
}
.signature-label {
    margin-top: 5px;
    font-size: 14px;
    color: var(--text-primary);
}

.quote-header-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    position: relative;
}
.client-left { flex: 1; padding-right: 20px; text-align: left; }
.meta-right { flex: 0 0 auto; margin-left: auto; text-align: right; }
.client-name {
    font-weight: 700;
    text-decoration: underline;
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.attn-line, .salutation-line, .subject-line {
    font-size: 14px;
    color: var(--text-primary);
}
.quote-date {
    font-weight: 700;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.quote-no {
    font-weight: 800;
    color: var(--text-primary);
    font-size: 14px;
    text-decoration: underline;
}
.total-row {
    font-weight: 700;
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.terms-section { margin-top: 15px; }
.terms-title {
    font-weight: 700;
    text-decoration: underline;
    margin-bottom: 4px;
    color: var(--text-primary);
}
.terms-list {
    padding-left: 20px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
}
.signature-block {
    margin-top: 10px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}
.signature-left { position: relative; width: 100%; }
.sig-img {
    display: none;
    max-width: 150px;
    height: auto;
    margin: 0 0 5px;
}
.thanks-text {
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}
.signature-line {
    width: 200px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-secondary);
    margin: 0 0 5px;
}
.signatory-info {
    font-size: 14px;
    line-height: 1.4;
    color: var(--text-primary);
}
.stamp-area {
    position: relative;
    text-align: center;
    width: 150px;
}
.stamp-area img {
    max-width: 100%;
    height: auto;
    opacity: .9;
}

/* ===== MODALS & TOAST ===== */
.fullscreen-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    z-index: 9999;
    overflow-y: auto;
    display: none;
    padding: 24px;
}
.fullscreen-modal.active { display: block; }
.fullscreen-modal .close-btn {
    position: sticky;
    top: 16px;
    z-index: 10000;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    font-size: 20px;
    border-radius: 50%;
    cursor: pointer;
    width: 44px;
    height: 44px;
    float: right;
    box-shadow: var(--shadow-sm);
}
.help-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%) scale(.9);
    background: var(--bg-secondary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 10001;
    max-width: 480px;
    width: 90%;
    opacity: 0;
    visibility: hidden;
    transition: all .3s;
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
}
.help-modal.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%,-50%) scale(1);
}
.help-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.6);
    z-index: 10000;
    display: none;
    backdrop-filter: blur(4px);
}
.help-modal-overlay.open { display: block; }
.help-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: var(--radius) var(--radius) 0 0;
}
.help-header h3 {
    font-size: 15px;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.help-close {
    background: var(--bg-hover);
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.help-body {
    padding: 18px 22px;
    max-height: 400px;
    overflow-y: auto;
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.help-body table { width: 100%; border-collapse: collapse; }
.help-body td {
    padding: 7px 6px;
    font-size: 13px;
    border-bottom: 1px solid var(--border-primary);
    color: var(--text-secondary);
}
.help-body td:first-child {
    width: 130px;
    font-weight: 600;
    color: var(--text-primary);
}
kbd {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 11px;
    font-family: var(--font-mono);
    font-weight: 700;
    box-shadow: var(--shadow-sm);
    color: var(--text-primary);
}
.toast-notification {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: var(--shadow);
    z-index: 10002;
    transition: transform .3s, opacity .3s;
    opacity: 0;
    pointer-events: none;
    white-space: nowrap;
}
.toast-notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ===== INSTALL GUIDE MODAL ===== */
.install-guide-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.7);
    z-index: 10005;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.install-guide-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius);
    padding: 24px;
    max-width: 420px;
    width: 90%;
    position: relative;
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
}
.install-guide-content h4 {
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}
.install-guide-content ol {
    padding-left: 20px;
    margin: 12px 0;
}
.install-guide-content li {
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}
.close-guide {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--bg-hover);
    border: none;
    color: var(--text-secondary);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s;
}
.close-guide:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}
#tryInstallAgain { margin-top: 12px; width: 100%; }

/* ===== RESPONSIVE ===== */
@media (max-width:1200px) {
    .main-grid { grid-template-columns: 1fr; }
    .input-panel { max-width: 700px; margin: 0 auto; }
    .inv-meta { margin-left: 0; align-items: flex-start; text-align: left; }
    .invoice-wrapper { width: 100%; min-height: auto; padding: 80px 30px 100px; }
}
@media (max-width:768px) {
    .app-header { flex-direction: column; align-items: stretch; }
    .app-nav { justify-content: center; flex-wrap: wrap; }
    .invoice-wrapper { padding: 50px 16px 70px; }
}

/* ===== PRINT (unchanged but monochrome) ===== */
@media print {
    .app-header, .input-panel, .app-actions, .app-nav, .settings-btn, .btn-dark-toggle, .btn-install,
    .btn-danger-custom, #settingsPanel, .fullscreen-modal, .help-modal, .help-modal-overlay, .toast-notification {
        display: none !important;
    }
    body, .app-shell, .main-grid {
        padding: 0 !important;
        margin: 0 !important;
        gap: 0 !important;
        min-height: 0 !important;
        height: auto !important;
        display: block !important;
        background: #fff !important;
    }
    .invoice-wrapper:not(.active) { display: none !important; }
    .invoice-wrapper.active {
        display: block !important;
        box-shadow: none !important;
        width: 210mm !important;
        height: 297mm !important;
        min-height: 297mm !important;
        box-sizing: border-box !important;
        margin: 0 auto !important;
        border-radius: 0 !important;
        page-break-inside: avoid !important;
        overflow: hidden !important;
        position: relative !important;
    }
    .letterhead-layer {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        z-index: 0 !important;
        pointer-events: none !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    .letterhead-layer img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        display: block !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    .content-layer { position: relative !important; z-index: 1 !important; }
    .signature-area {
        position: absolute !important;
        right: 40px !important;
        z-index: 1 !important;
        width: 200px !important;
        text-align: center !important;
    }
    .quote-header-row { display: block !important; position: relative !important; height: auto !important; }
    .client-left {
        display: block !important;
        width: 100% !important;
        padding-right: 280px !important;
        box-sizing: border-box !important;
        text-align: left !important;
        margin: 0 !important;
    }
    .meta-right {
        position: absolute !important;
        top: 0 !important;
        right: 0 !important;
        width: auto !important;
        text-align: right !important;
        margin: 0 !important;
        display: block !important;
    }
    @page { size: A4; margin: 0; }
    .inv-table, .inv-table th, .inv-table td, .total-box, .total-row {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
}