/* SEOToolSet Modernized Styling System */
@import url('https://fonts.googleapis.com/css2?family=Saira+Extra+Condensed:wght@100;200;300;400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@100;200;300;400;500;600;700;800;900&display=swap');

:root {
    --primary: #1972B9;
    --primary-hover: #135890;
    --secondary: #0F4673;
    --accent: #E28413;
    --accent-hover: #C5720E;
    --bg-main: #F8FAFC;
    --bg-card: #FFFFFF;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --border: #E2E8F0;
    --border-focus: #93C5FD;

    --success: #16A34A;
    --success-light: #DCFCE7;
    --warning: #CA8A04;
    --warning-light: #FEF9C3;
    --danger: #DC2626;
    --danger-light: #FEE2E2;

    --font-header: 'Saira Extra Condensed', sans-serif;
    --font-body: 'Nunito', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 4px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
}

/* Global Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-main {
    font-family: var(--font-header);
    font-weight: 800;
    font-size: 3rem;
    letter-spacing: 1.5px;
    color: var(--secondary);
    line-height: 1.2;
}

.brand-sub {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--primary);
}

/* Navigation Tabs */
.app-nav {
    display: flex;
    gap: 8px;
}

.nav-tab {
    font-family: var(--font-header);
    font-weight: 500;
    font-size: 0.95rem;
    background: none;
    border: 1px solid transparent;
    padding: 10px 18px;
    border-radius: 8px;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.nav-tab:hover {
    color: var(--primary);
    background-color: var(--bg-main);
}

.nav-tab.active {
    color: var(--primary);
    background-color: #EBF4FC;
    border-color: #D3E7FA;
    font-weight: 600;
}

/* Buttons */
.btn {
    font-family: var(--font-header);
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(25, 114, 185, 0.25);
}

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

.btn-accent:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(226, 132, 19, 0.25);
}

.btn-cta {
    background: linear-gradient(135deg, var(--accent) 0%, #d07409 100%);
    color: white;
    font-weight: 700;
    letter-spacing: 0.5px;
    border: none;
    box-shadow: 0 2px 8px rgba(226, 132, 19, 0.2);
}

.btn-cta:hover {
    background: linear-gradient(135deg, #f08d17 0%, var(--accent) 100%);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(226, 132, 19, 0.35);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    background-color: var(--bg-main);
    border-color: var(--text-muted);
}

.btn-large {
    padding: 12px 28px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Main Container */
.app-main {
    flex: 1;
    padding: 30px 20px;
}

.main-container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Tab Content Visibility */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Search Card */
.search-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
}

.search-card h2 {
    font-family: var(--font-header);
    font-weight: 700;
    color: var(--secondary);
    font-size: 1.6rem;
    margin-bottom: 4px;
}

.card-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.panel-explanation {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.45;
    margin-top: 4px;
    margin-bottom: 12px;
}

/* Forms */
.analyzer-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: flex;
    gap: 20px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.flex-grow {
    flex: 1;
}

.width-30 {
    width: 30%;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.label-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
}

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-icon i {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.input-with-icon input {
    width: 100%;
    padding: 10px 14px 10px 40px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-main);
    background-color: var(--bg-card);
    transition: var(--transition);
}

.input-with-icon input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(25, 114, 185, 0.15);
}

/* Custom Checkbox */
.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 28px;
    cursor: pointer;
    font-size: 0.9rem;
    user-select: none;
    color: var(--text-main);
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    height: 18px;
    width: 18px;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: var(--transition);
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--primary);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Loading Overlay */
.loading-overlay {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 60px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    box-shadow: var(--shadow);
}

.spinner-container {
    width: 50px;
    height: 50px;
    position: relative;
}

.double-bounce1, .double-bounce2 {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--primary);
    opacity: 0.6;
    position: absolute;
    top: 0;
    left: 0;
    animation: sk-bounce 2.0s infinite ease-in-out;
}

.double-bounce2 {
    animation-delay: -1.0s;
}

@keyframes sk-bounce {
    0%, 100% { transform: scale(0.0); }
    50% { transform: scale(1.0); }
}

.loading-message {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
}

.hidden {
    display: none !important;
}

/* Error Box */
.error-box {
    background-color: var(--danger-light);
    border: 1px solid #FECACA;
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 25px;
    display: flex;
    gap: 15px;
    color: var(--danger);
}

.error-box i {
    font-size: 1.5rem;
    margin-top: 3px;
}

.error-details h4 {
    font-family: var(--font-header);
    font-weight: 700;
    margin-bottom: 4px;
}

/* Results Structure */
.results-container {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.results-grid-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 25px;
}

@media (max-width: 900px) {
    .results-grid-top {
        grid-template-columns: 1fr;
    }
}

/* Cards */
.result-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.result-card:hover {
    box-shadow: var(--shadow-hover);
}

.card-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
    margin-bottom: 12px;
}

.card-header-simple {
    margin-bottom: 12px;
}

.card-header-simple h3 {
    font-family: var(--font-header);
    font-weight: 700;
    color: var(--secondary);
    font-size: 1.25rem;
}

.card-header h3 {
    font-family: var(--font-header);
    font-weight: 700;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Score Card */
.score-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 15px;
}

.gauge-wrapper {
    position: relative;
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: radial-gradient(var(--bg-card) 60%, transparent 61%),
                conic-gradient(var(--primary) 0%, var(--border) 0%);
    box-shadow: inset 0 0 10px rgba(0,0,0,0.02);
}

.score-circle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#spa-overall-score {
    font-family: var(--font-header);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1;
}

.score-max {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.score-meta h3 {
    font-family: var(--font-header);
    color: var(--secondary);
    font-weight: 700;
    font-size: 1.15rem;
}

/* Flags Card */
.flags-card h3 {
    font-family: var(--font-header);
    color: var(--secondary);
    margin-bottom: 4px;
}

.flags-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-bottom: 16px;
}

.flag-item {
    background-color: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.flag-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--primary);
}

.flag-info {
    display: flex;
    flex-direction: column;
}

.flag-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.flag-status {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-main);
}

.flag-pass .flag-icon {
    background-color: var(--success-light);
    border-color: #BBF7D0;
    color: var(--success);
}
.flag-pass .flag-status {
    color: var(--success);
}

.flag-fail .flag-icon {
    background-color: var(--danger-light);
    border-color: #FECACA;
    color: var(--danger);
}
.flag-fail .flag-status {
    color: var(--danger);
}

/* Technical Upsell Box */
.tech-upsell-box {
    margin-top: 15px;
    padding: 14px 18px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    border: 1px solid var(--border);
    background: linear-gradient(135deg, #F8FAFC 0%, #EDF4FB 100%);
}

.tech-upsell-content {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.tech-upsell-title {
    font-family: var(--font-header);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tech-upsell-text {
    font-size: 0.85rem;
    color: var(--text-main);
    line-height: 1.4;
}

.tech-upsell-btn {
    flex-shrink: 0;
    white-space: nowrap;
}

/* Dedicated AIO / GEO Upsell Card */
.aio-upsell-card {
    background: linear-gradient(145deg, #0F4673 0%, #0B1E2D 100%);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.aio-upsell-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.aio-badge {
    align-self: flex-start;
    background: rgba(226, 132, 19, 0.25);
    border: 1px solid var(--accent);
    color: #FFAE42;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.aio-upsell-header h3 {
    font-family: var(--font-header);
    font-weight: 700;
    color: #FFFFFF;
    font-size: 1.25rem;
    line-height: 1.2;
}

.aio-upsell-desc {
    font-size: 0.86rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
}

/* Split Results Layout */
.results-layout-split {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 25px;
}

@media (max-width: 1000px) {
    .results-layout-split {
        grid-template-columns: 1fr;
    }
}

.results-main {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.results-sidebar {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

/* Tags List Analysis */
.tag-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tag-item-card {
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.tag-item-header {
    background-color: var(--bg-main);
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.tag-title-wrap h4 {
    font-family: var(--font-header);
    color: var(--secondary);
    font-weight: 700;
    font-size: 1rem;
}

.tag-badge {
    background-color: #E2F1FD;
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
}

.tag-meta-summary {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.tag-item-errors {
    padding: 10px 16px;
    background-color: var(--danger-light);
    border-bottom: 1px solid #FECACA;
    color: var(--danger);
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tag-item-error-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tag-item-body {
    padding: 15px 16px;
    max-height: 250px;
    overflow-y: auto;
    font-family: monospace;
    font-size: 0.85rem;
    background-color: #FAFBFD;
}

.tag-code-line {
    display: flex;
    gap: 12px;
    margin-bottom: 4px;
}

.tag-line-num {
    color: var(--text-muted);
    min-width: 25px;
    text-align: right;
    user-select: none;
    border-right: 1px solid var(--border);
    padding-right: 8px;
}

.tag-line-val {
    white-space: pre-wrap;
    word-break: break-all;
}

/* Tabs for density */
.keyword-density-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    margin-bottom: 15px;
    gap: 5px;
}

.density-tab {
    background: none;
    border: none;
    padding: 8px 16px;
    cursor: pointer;
    font-family: var(--font-header);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.density-tab:hover {
    color: var(--primary);
}

.density-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Tables */
.table-container {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: left;
}

.data-table th {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-weight: 700;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    font-family: var(--font-header);
}

.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background-color: #FAFBFD;
}

.sub-headers th {
    background-color: #F1F5F9;
    font-size: 0.8rem;
    padding: 6px 14px;
}

.table-intro {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* Cell alerts */
.low-density {
    background-color: var(--danger-light) !important;
    color: var(--danger);
    font-weight: 600;
}

.high-density {
    background-color: var(--warning-light) !important;
    color: var(--warning);
    font-weight: 600;
}

/* Heatmap Box */
.heatmap-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.heatmap-container {
    width: 100%;
    display: flex;
    justify-content: center;
    background-color: var(--bg-main);
    border-radius: 8px;
    border: 1px solid var(--border);
    padding: 10px;
    overflow: hidden;
}

.heatmap-container svg {
    max-width: 100%;
    height: auto;
}

.heatmap-caption {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 10px;
    text-align: center;
}

/* Readability Block */
.readability-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.readability-metric {
    background-color: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.readability-val {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary);
    font-family: var(--font-header);
}

.readability-lbl {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 4px;
    line-height: 1.2;
}

.readability-details {
    border-top: 1px solid var(--border);
    padding-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

.detail-row span {
    color: var(--text-muted);
}

.detail-row strong {
    color: var(--text-main);
}

/* Diagnostics */
.diagnostic-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.diag-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}

.diag-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.diag-row span {
    color: var(--text-muted);
    font-weight: 500;
}

.diag-row strong {
    color: var(--text-main);
    word-break: break-all;
    max-width: 65%;
    text-align: right;
}

/* Badge */
.badge {
    background-color: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 5px;
}

/* Footer */
.app-footer {
    background-color: #0B1E2D;
    color: rgba(255, 255, 255, 0.75);
    padding: 30px 20px;
    text-align: center;
    font-size: 0.85rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 50px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-links a {
    color: #93C5FD;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #FFFFFF;
    text-decoration: underline;
}

.footer-divider {
    color: rgba(255, 255, 255, 0.3);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
}

/* PRINT-READY CSS PRINT MEDIA */
@media print {
    header,
    .app-header,
    .app-nav,
    .header-actions,
    .search-card,
    .analyzer-form,
    .nav-tab,
    .btn,
    .loading-overlay,
    .keyword-density-tabs,
    .tech-upsell-box,
    .aio-upsell-card,
    footer,
    .app-footer {
        display: none !important;
    }

    body {
        background-color: #FFFFFF !important;
        color: #000000 !important;
        font-size: 10pt !important;
    }

    .app-main {
        padding: 0 !important;
        margin: 0 !important;
    }

    .results-container {
        display: block !important;
    }

    .results-layout-split {
        display: block !important;
    }

    .results-main,
    .results-sidebar {
        width: 100% !important;
        display: block !important;
    }

    .results-grid-top {
        display: grid !important;
        grid-template-columns: 1fr 2fr !important;
        gap: 15px !important;
        margin-bottom: 20px !important;
    }

    .result-card {
        box-shadow: none !important;
        border: 1px solid #000000 !important;
        margin-bottom: 20px !important;
        page-break-inside: avoid !important;
        background: transparent !important;
    }

    .tag-item-card {
        border-color: #000000 !important;
        page-break-inside: avoid !important;
    }

    .tag-item-header {
        background-color: #F1F5F9 !important;
        border-bottom: 1px solid #000000 !important;
    }

    .data-table {
        font-size: 8pt !important;
    }

    .data-table th {
        background-color: #E2E8F0 !important;
        color: #000000 !important;
        border-bottom: 1px solid #000000 !important;
    }

    .data-table td {
        border-bottom: 1px solid #E2E8F0 !important;
    }

    .low-density {
        background-color: #FEE2E2 !important;
        color: #DC2626 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .high-density {
        background-color: #FEF9C3 !important;
        color: #CA8A04 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* Target Keyword Highlighting and Visual Indicators */
mark.kw-highlight {
    background-color: #FEF08A;
    color: #1E293B;
    padding: 1px 4px;
    border-radius: 4px;
    font-weight: 700;
}

mark.first-200-highlight {
    background-color: #E0F2FE;
    color: #0369A1;
    padding: 1px 2px;
    border-radius: 3px;
    font-weight: 500;
}

tr.kw-target-row {
    background-color: rgba(25, 114, 185, 0.06) !important;
    border-left: 4px solid var(--primary) !important;
}

.badge-target {
    background-color: var(--accent);
    color: #FFFFFF;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 9999px;
    margin-left: 8px;
    text-transform: uppercase;
    font-weight: 700;
    display: inline-block;
    vertical-align: middle;
}

/* ==========================================================================
   MOBILE & RESPONSIVE UX OPTIMIZATIONS
   ========================================================================== */

.app-header {
    background-color: #FFFFFF !important;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 10px 14px;
    }

    .logo-area {
        justify-content: space-between;
        width: 100%;
    }

    .app-nav {
        width: 100%;
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 4px;
        -webkit-overflow-scrolling: touch;
        justify-content: flex-start;
    }

    .nav-tab {
        padding: 8px 14px;
        font-size: 0.85rem;
        flex-shrink: 0;
    }

    .header-actions {
        display: flex;
        width: 100%;
        gap: 8px;
    }

    .header-actions .btn-print {
        display: none;
    }

    .header-actions .btn-cta {
        width: 100%;
    }

    .app-main {
        padding: 15px 10px;
    }

    .search-card {
        padding: 16px;
        border-radius: 10px;
    }

    .search-card h2 {
        font-size: 1.3rem;
    }

    .analyzer-form {
        gap: 12px;
    }

    .form-row {
        flex-direction: column;
        gap: 12px;
    }

    .flex-grow, .width-30 {
        width: 100% !important;
        min-width: 0 !important;
    }

    .form-row-bottom {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .btn-large, .btn {
        width: 100%;
        min-height: 46px;
        font-size: 1rem;
    }

    .input-with-icon input {
        font-size: 16px;
        padding-top: 12px;
        padding-bottom: 12px;
    }

    .results-grid-top {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }

    .score-card {
        padding: 16px;
    }

    .gauge-wrapper {
        width: 120px;
        height: 120px;
    }

    #spa-overall-score {
        font-size: 2.8rem;
    }

    .flags-grid {
        grid-template-columns: 1fr !important;
        gap: 10px;
    }

    .flag-item {
        padding: 10px 12px;
    }

    .tech-upsell-box {
        flex-direction: column;
        align-items: stretch;
        text-align: left;
    }

    .tech-upsell-btn {
        width: 100%;
    }

    .results-layout-split {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }

    .result-card {
        padding: 16px;
        border-radius: 10px;
    }

    .card-header h3 {
        font-size: 1rem;
    }

    .readability-stats {
        grid-template-columns: 1fr !important;
        gap: 10px;
    }

    .readability-metric {
        padding: 12px;
    }

    .readability-val {
        font-size: 1.6rem;
    }

    .readability-lbl {
        font-size: 0.8rem;
    }

    .keyword-density-tabs {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
    }

    .density-tab {
        padding: 8px 12px;
        font-size: 0.8rem;
        flex-shrink: 0;
    }

    .table-container {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin-top: 10px;
    }

    .data-table {
        font-size: 0.8rem;
        min-width: 550px;
    }

    .data-table th, .data-table td {
        padding: 8px 10px;
    }

    .tag-item-header {
        padding: 10px 12px;
        flex-direction: column;
        align-items: flex-start;
    }

    .tag-item-body {
        padding: 10px 12px;
        font-size: 0.8rem;
        max-height: 200px;
    }
}

/* Topography Top Card & Enlarge Trigger */
.heatmap-card-top {
    display: flex;
    flex-direction: column;
}

.btn-enlarge-map {
    background-color: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 5px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.btn-enlarge-map:hover {
    background-color: #E2F1FD;
    border-color: var(--primary);
    color: var(--primary-dark);
}

.heatmap-interactive {
    cursor: zoom-in;
    position: relative;
    transition: var(--transition);
}

.heatmap-interactive:hover {
    box-shadow: 0 4px 12px rgba(25, 114, 185, 0.12);
    border-color: var(--primary);
}

.heatmap-interactive::after {
    content: "Click to Enlarge";
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(11, 30, 45, 0.8);
    color: white;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.heatmap-interactive:hover::after {
    opacity: 1;
}

.aio-upsell-inline {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}

/* Sidebar Specific Rules */
.flags-grid-sidebar {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 12px;
}

.tech-upsell-sidebar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

.tech-upsell-sidebar .tech-upsell-btn {
    width: 100%;
}

.tech-upsell-sidebar .tech-upsell-btn a {
    width: 100%;
    text-align: center;
}

/* Heatmap Modal / Lightbox */
.heatmap-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.heatmap-modal.hidden {
    display: none !important;
}

.heatmap-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 30, 45, 0.75);
    backdrop-filter: blur(4px);
}

.heatmap-modal-content {
    position: relative;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 10;
    animation: modalScaleIn 0.2s ease-out;
}

@keyframes modalScaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.heatmap-modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-main);
}

.heatmap-modal-header h3 {
    margin: 0;
    font-family: var(--font-header);
    color: var(--secondary);
    font-size: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.heatmap-modal-close {
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
    transition: var(--transition);
}

.heatmap-modal-close:hover {
    color: var(--danger);
}

.heatmap-modal-body {
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #F8FAFC;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.heatmap-modal-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    background: white;
}

.heatmap-modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-main);
}

/* Redirect Chain Notice Banner */
.redirect-chain-card {
    background: #EFF6FF;
    border: 1px solid #BFDBFE;
    border-left: 4px solid var(--primary);
    border-radius: 8px;
    padding: 14px 18px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.redirect-chain-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.redirect-chain-header i {
    font-size: 1.3rem;
    color: var(--primary);
}

.redirect-chain-header h4 {
    margin: 0;
    font-size: 0.95rem;
    color: var(--secondary);
    font-weight: 700;
}

.redirect-chain-steps {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-left: 32px;
    font-size: 0.85rem;
}

.redirect-step {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    color: var(--text-main);
}

.redirect-step-badge {
    background: #DBEAFE;
    color: #1E40AF;
    font-weight: 700;
    font-size: 0.72rem;
    padding: 2px 7px;
    border-radius: 4px;
}

.redirect-step-arrow {
    color: var(--primary);
    font-weight: 700;
}

/* Density Legend / Explanation Box */
.density-legend-box {
    background-color: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
}

.legend-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.legend-items {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.legend-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.82rem;
    line-height: 1.4;
}

.legend-swatch {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    white-space: nowrap;
    min-width: 110px;
    text-align: center;
    display: inline-block;
}

.low-swatch {
    background-color: var(--danger-light);
    color: var(--danger);
    border: 1px solid #FECACA;
}

.high-swatch {
    background-color: var(--warning-light);
    color: var(--warning);
    border: 1px solid #FEF08A;
}

.target-swatch {
    background-color: rgba(25, 114, 185, 0.12);
    color: var(--primary);
    border: 1px solid rgba(25, 114, 185, 0.3);
}

.comp-swatch {
    background-color: #E2E8F0;
    color: #334155;
    border: 1px solid #CBD5E1;
}

.legend-desc {
    color: var(--text-muted);
}

.legend-desc strong {
    color: var(--text-main);
}