* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    line-height: 1.5;
    color: #1f2328;
}

header {
    background: white;
    color: #1f2328;
    padding: 24px 40px;
    border-bottom: 1px solid #d0d7de;
}

header h1 {
    font-size: 24px;
    margin-bottom: 4px;
    font-weight: 600;
}

.subtitle {
    font-size: 14px;
    color: #636c76;
    margin-bottom: 12px;
}

.badges {
    display: flex;
    gap: 8px;
}

main {
    padding: 32px 40px;
}

section {
    margin-bottom: 40px;
}

section h2 {
    color: #1f2328;
    margin-bottom: 16px;
    font-size: 20px;
    font-weight: 600;
    padding-bottom: 8px;
    border-bottom: 1px solid #d0d7de;
}

.demo-hint {
    margin: -8px 0 16px 0;
    color: #636c76;
    font-size: 13px;
}

.demo-hint code {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    font-size: 12px;
}

.details-row td {
    padding: 0;
    border-right: none !important;
}

.details-panel {
    padding: 12px;
    background: #f6f8fa;
    border-top: 1px solid #d0d7de;
}

.details-panel details {
    padding: 10px 12px;
    background: white;
    border: 1px solid #d0d7de;
    border-radius: 6px;
}

.details-panel summary {
    cursor: pointer;
    font-weight: 600;
    color: #1f2328;
}

.details-kv {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    margin-top: 10px;
}

.details-kv th,
.details-kv td {
    padding: 8px 10px;
    border: 1px solid #d0d7de;
    vertical-align: top;
}

.details-kv th {
    width: 220px;
    background: #f6f8fa;
    color: #636c76;
    text-align: left;
    font-weight: 600;
}

.mono {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
}

.demo-box {
    background: white;
    padding: 0;
}

.input-group {
    margin-bottom: 24px;
}

.input-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #1f2328;
    font-size: 14px;
}

.input-group textarea {
    width: 100%;
    max-width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    background-color: #f6f8fa;
    color: #1f2328;
    font-family: inherit;
    resize: none;
    min-height: 38px;
}

.input-group textarea:focus {
    outline: none;
    background-color: white;
    border-color: #0969da;
    box-shadow: 0 0 0 3px rgba(9,105,218,0.3);
}

.result-group {
    margin-bottom: 24px;
}

.parsed-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    overflow: hidden;
}

.parsed-table th {
    background-color: #f6f8fa;
    padding: 8px 12px;
    text-align: left;
    font-weight: 600;
    color: #636c76;
    border-bottom: 1px solid #d0d7de;
    border-right: 1px solid #d0d7de;
}

.parsed-table td {
    padding: 8px 12px;
    color: #1f2328;
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    border-right: 1px solid #d0d7de;
    border-bottom: 1px solid #d0d7de;
}

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

.parsed-table th:last-child, .parsed-table td:last-child {
    border-right: none;
}

.actions-col {
    width: 60px;
    text-align: center !important;
}

.formatted-outputs {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    background: #f6f8fa;
    padding: 16px;
    border-radius: 6px;
    border: 1px solid #d0d7de;
}

.formatted-item strong {
    color: #636c76;
    margin-right: 4px;
}

.demo-actions {
    margin-top: 16px;
    display: flex;
    justify-content: flex-end;
}

.btn {
    padding: 5px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #24292f;
    background-color: #f6f8fa;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.2s;
}

.btn:hover {
    background-color: #f3f4f6;
    border-color: #d0d7de;
}

.btn-success {
    background-color: #2da44e !important;
    color: white !important;
    border-color: rgba(27, 31, 36, 0.15) !important;
}

.copy-row-btn {
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 500;
    color: #636c76;
    background-color: #f6f8fa;
    border: 1px solid #d0d7de;
    border-radius: 4px;
    cursor: pointer;
}

.copy-row-btn:hover {
    color: #0969da;
    border-color: #0969da;
}

pre {
    background: #f6f8fa;
    color: #1f2328;
    padding: 16px;
    border-radius: 6px;
    border: 1px solid #d0d7de;
    overflow-x: auto;
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    font-size: 13px;
    line-height: 1.45;
}

.features-list {
    list-style: none;
}

.features-list li {
    padding: 6px 0;
    font-size: 14px;
}

.features-list strong {
    color: #0969da;
}

.api-list h3 {
    font-size: 16px;
    margin-top: 20px;
    margin-bottom: 8px;
}

.api-list ul {
    list-style: disc;
    padding-left: 20px;
}

.api-list li {
    margin-bottom: 4px;
    font-size: 14px;
}

.api-list code {
    background: rgba(175,184,193,0.2);
    padding: 0.1em 0.3em;
    border-radius: 4px;
    font-size: 85%;
}

/* Test Results Table */
.table-container {
    overflow-x: auto;
    border: 1px solid #d0d7de;
    border-radius: 6px;
}

#testResultsTable {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

#testResultsTable th {
    background-color: #f6f8fa;
    padding: 6px 10px;
    text-align: left;
    font-weight: 600;
    color: #636c76;
    border-bottom: 1px solid #d0d7de;
}

#testResultsTable td {
    padding: 4px 10px;
    border-bottom: 1px solid #d0d7de;
    vertical-align: middle;
}

.test-input {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    color: #0969da;
    font-weight: 500;
    width: 250px;
}

.mismatch-row {
    background-color: #fff8f8;
}

.mismatch-row td {
    color: #cf222e;
}

.empty-cell {
    color: #afb8c1;
}

.nickname-cell {
    color: #9a6700;
}

footer {
    padding: 32px;
    text-align: center;
    color: #636c76;
    border-top: 1px solid #d0d7de;
    font-size: 12px;
}

footer a {
    color: #0969da;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Entity Classification */
.result-group h3 {
    font-size: 14px;
    font-weight: 600;
    color: #636c76;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.entity-result {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.entity-kind {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.entity-kind-person {
    background-color: #ddf4ff;
    color: #0969da;
}

.entity-kind-organization {
    background-color: #fff8c5;
    color: #9a6700;
}

.entity-kind-family,
.entity-kind-household {
    background-color: #dafbe1;
    color: #1a7f37;
}

.entity-kind-compound {
    background-color: #fbefff;
    color: #8250df;
}

.entity-kind-unknown {
    background-color: #f6f8fa;
    color: #636c76;
}

.entity-kind-rejected {
    background-color: #ffebe9;
    color: #cf222e;
}

.entity-confidence {
    font-size: 13px;
    color: #636c76;
}

.confidence-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
    color: #636c76;
}

.confidence-inline span {
    padding: 3px 8px;
    background: #f6f8fa;
    border: 1px solid #d0d7de;
    border-radius: 4px;
}

.review-summary {
    margin-bottom: 12px;
    padding: 12px;
    background: #fff8c5;
    border: 1px solid #d4a72c;
    border-radius: 6px;
    color: #3f2f00;
    font-size: 12px;
}

.review-summary > div + div {
    margin-top: 8px;
}

.warning-list {
    margin: 6px 0 0 18px;
}

.warning-list.compact {
    margin-top: 6px;
}

.warning-list li {
    margin-bottom: 4px;
}

.entity-details {
    background: #f6f8fa;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    padding: 16px;
    margin-bottom: 16px;
}

.entity-details .details-kv {
    margin-top: 0;
}

.entity-reasons {
    margin-top: 12px;
    font-size: 12px;
    color: #636c76;
}

.entity-reasons code {
    background: rgba(175,184,193,0.2);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    margin-left: 4px;
}

/* Entity table styles */
.entity-table {
    table-layout: auto;
}

.entity-row {
    transition: background-color 0.15s;
}

.entity-row:hover {
    background-color: #f6f8fa;
}

.confidence-cell {
    text-align: center;
    color: #636c76;
    font-size: 11px;
}

.confidence-stack {
    display: grid;
    gap: 2px;
    min-width: 72px;
}

.confidence-stack div {
    display: flex;
    justify-content: space-between;
    gap: 8px;
}

.confidence-stack span {
    color: #636c76;
}

.confidence-stack strong {
    color: #1f2328;
}

.review-cell {
    min-width: 220px;
    max-width: 360px;
    font-size: 11px;
}

.review-signals {
    display: grid;
    gap: 4px;
}

.review-muted {
    color: #afb8c1;
}

.selection-chip {
    color: #1f2328;
    font-weight: 600;
}

.warning-badges,
.evidence-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.warning-code,
.evidence-chips code {
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 10px;
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
}

.warning-code {
    background: #fff8c5;
    color: #7d4e00;
}

.evidence-found {
    background: #dafbe1;
    color: #1a7f37;
}

.evidence-missing {
    background: #ffebe9;
    color: #cf222e;
}

.format-cell {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    font-size: 11px;
    white-space: nowrap;
}

.email-cell {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    font-size: 11px;
    color: #0969da;
}

.email-info {
    margin-top: 8px;
    padding: 8px 12px;
    background: #ddf4ff;
    border-radius: 4px;
    font-size: 13px;
}

.email-info strong {
    color: #0969da;
}

/* Gender lookup styles */
.input-group input[type="text"] {
    width: 100%;
    max-width: 400px;
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    background-color: #f6f8fa;
    color: #1f2328;
    font-family: inherit;
}

.input-group input[type="text"]:focus {
    outline: none;
    background-color: white;
    border-color: #0969da;
    box-shadow: 0 0 0 3px rgba(9,105,218,0.3);
}

.gender-result {
    background: #f6f8fa;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    padding: 16px;
}

.gender-name {
    font-size: 18px;
    font-weight: 600;
    color: #1f2328;
    margin-bottom: 12px;
}

.gender-not-found {
    color: #636c76;
    font-style: italic;
}

.gender-probabilities {
    display: flex;
    height: 32px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}

.gender-prob {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    transition: width 0.3s ease;
}

.gender-prob-male {
    background-color: #ddf4ff;
    color: #0969da;
}

.gender-prob-female {
    background-color: #fbefff;
    color: #8250df;
}

.gender-prob-label {
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.gender-guess {
    font-size: 13px;
    color: #636c76;
}

.gender-guess-value {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 12px;
    margin: 0 4px;
}

.gender-guess-male {
    background-color: #ddf4ff;
    color: #0969da;
}

.gender-guess-female {
    background-color: #fbefff;
    color: #8250df;
}

.gender-guess-unknown {
    background-color: #f6f8fa;
    color: #636c76;
}

.gender-guess-null {
    background-color: #ffebe9;
    color: #cf222e;
}

.gender-guess-label {
    color: #1f2328;
}

/* Gender cell in table */
.gender-cell {
    text-align: center;
    font-weight: 600;
    font-size: 12px;
}

/* Pronoun styles */
.pronoun-result,
.entity-pronoun-result {
    background: white;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    padding: 16px;
}

.pronoun-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.pronoun-id {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    font-size: 16px;
    font-weight: 600;
    color: #0969da;
}

.pronoun-label {
    font-size: 14px;
    color: #636c76;
}

.pronoun-notes {
    margin-top: 12px;
    font-size: 12px;
    color: #636c76;
    font-style: italic;
}

.pronoun-result .details-kv td.example {
    color: #636c76;
    font-size: 11px;
    font-style: italic;
}

.entity-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #d0d7de;
}

.pronoun-source {
    font-size: 12px;
    color: #636c76;
}

.entity-pronoun-result .pronoun-header {
    margin-bottom: 8px;
}

.format-options {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    padding: 12px 16px;
    background: #f6f8fa;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 13px;
}

.evidence-options {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.format-options label {
    display: flex;
    align-items: center;
    gap: 6px;
}

.format-options label span {
    font-weight: 600;
    color: #24292f;
}

.format-options select {
    padding: 4px 8px;
    border: 1px solid #d0d7de;
    border-radius: 4px;
    background: #fff;
    font-size: 13px;
}

.checkbox-label {
    cursor: pointer;
}

.evidence-help {
    color: #636c76;
    font-size: 12px;
    line-height: 1.45;
    max-width: 980px;
    margin-left: 24px;
}

.evidence-help code {
    background: rgba(175,184,193,0.2);
    padding: 0.1em 0.3em;
    border-radius: 4px;
    font-size: 85%;
}

.round-trip-section {
    margin-top: 12px;
}

.round-trip-match {
    color: #1a7f37;
}

.round-trip-mismatch {
    color: #cf222e;
    font-weight: 600;
}

.error-row {
    background-color: #fff5f5;
}

.error-cell {
    color: #c53030;
    font-style: italic;
    padding: 8px 12px;
}

@media (max-width: 768px) {
    main {
        padding: 20px;
    }
    header {
        padding: 20px;
    }
}