:root {
    --color-bg: #fafaf8;
    --color-text: #1a1a1a;
    --color-muted: #6b6b6b;
    --color-border: #e0e0dc;
    --color-accent: #4338ca;
    --color-accent-tint: #ecebfb;
    --color-cta: #f97316;
    --color-warning-bg: #fdf6dc;
    --color-intro-bg: #e9f1fb;
}

/* Per-topic colors: each pair drives that topic's tag pill, icon, and
   link-item left border. Topics not listed here fall back to the default
   accent via the var(--topic-color, var(--color-accent)) pattern below. */
.topic-jobs { --topic-color: #4338ca; --topic-bg: #ecebfb; }
.topic-immigration-visa { --topic-color: #2563eb; --topic-bg: #e8f0fe; }
.topic-money-tax { --topic-color: #b45309; --topic-bg: #faf0db; }
.topic-housing { --topic-color: #0f766e; --topic-bg: #e1f3f0; }
.topic-work-career { --topic-color: #475569; --topic-bg: #eceff2; }
.topic-founders-freelance { --topic-color: #b91c1c; --topic-bg: #fbe7e7; }
.topic-daily-life { --topic-color: #15803d; --topic-bg: #e6f4ea; }
.topic-japanese-language { --topic-color: #7c3aed; --topic-bg: #f1ecfc; }
.topic-family { --topic-color: #be185d; --topic-bg: #fbe7ef; }
.topic-news-policy { --topic-color: #334155; --topic-bg: #e7eaee; }
.topic-tools-services { --topic-color: #0891b2; --topic-bg: #def4f8; }
.topic-events { --topic-color: #c2410c; --topic-bg: #fbe9dd; }
.topic-cars-transportation { --topic-color: #4d7c0f; --topic-bg: #eef3de; }

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover,
a:focus {
    text-decoration: underline;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 16px;
}

.site-header {
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding: 12px 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 7px;
    font-weight: 700;
    color: var(--color-text);
    font-size: 18px;
}

.logo-mark {
    width: 17px;
    height: 17px;
    fill: var(--color-accent);
}

.main-nav {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    flex: 1;
}

.main-nav a,
.user-state a,
.footer-nav a {
    display: inline-block;
    padding: 4px 0;
}

.main-nav a,
.user-state a {
    color: var(--color-text);
    font-size: 15px;
}

.main-nav a {
    border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a:focus {
    text-decoration: none;
}

.main-nav a.active {
    color: var(--color-accent);
    font-weight: 600;
    border-bottom-color: var(--color-accent);
}

.user-state {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-state a.nav-user {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.avatar {
    border-radius: 50%;
    object-fit: cover;
    vertical-align: middle;
}

.avatar-small {
    width: 20px;
    height: 20px;
}

.avatar-large {
    width: 64px;
    height: 64px;
}

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

.user-state a.signup-cta {
    color: #fff;
    background: var(--color-cta);
    padding: 6px 14px;
    border-radius: 16px;
    font-weight: 600;
}

.user-state a.signup-cta:hover {
    text-decoration: none;
    opacity: 0.9;
}

main.container {
    min-height: 60vh;
    padding-top: 24px;
    padding-bottom: 24px;
}

.empty-state {
    color: var(--color-muted);
    padding: 32px 0;
}

.intro-band {
    background: var(--color-intro-bg);
    color: var(--color-text);
    border-radius: 8px;
    padding: 22px 24px;
    margin-bottom: 24px;
}

.intro-band h1 {
    margin: 0 0 6px;
    font-size: 24px;
}

.intro-band p {
    margin: 0;
    font-size: 15px;
    max-width: 560px;
}

.value-row {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
    margin-top: 14px;
}

.value-row .item {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent);
}

.value-row svg {
    width: 16px;
    height: 16px;
}

.site-footer {
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: 14px;
}

.footer-inner {
    padding: 20px 16px;
}

.footer-nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 8px 0;
}

.footer-nav a {
    color: var(--color-muted);
}

.disclaimer-box {
    background: var(--color-warning-bg);
    border: 1px solid var(--color-border);
    padding: 12px 16px;
    border-radius: 4px;
    font-size: 14px;
}

.messages {
    list-style: none;
    padding: 10px 14px;
    margin: 0 0 16px;
    background: var(--color-warning-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 14px;
}

form p {
    margin: 0 0 14px;
}

.oauth-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
    margin-bottom: 18px;
}

.oauth-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: 5px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
}

.oauth-button:hover {
    text-decoration: none;
    opacity: 0.9;
}

.oauth-button svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.oauth-button-google {
    background: #fff;
    color: #1a1a1a;
    border: 1px solid var(--color-border);
}

.oauth-button-github {
    background: #181717;
    color: #fff;
    border: 1px solid #181717;
}

.oauth-button-linkedin {
    background: #0a66c2;
    color: #fff;
    border: 1px solid #0a66c2;
}

.oauth-divider {
    display: flex;
    align-items: center;
    max-width: 400px;
    margin-bottom: 18px;
    color: var(--color-muted);
    font-size: 13px;
}

.oauth-divider::before,
.oauth-divider::after {
    content: "";
    flex: 1;
    border-top: 1px solid var(--color-border);
}

.oauth-divider span {
    padding: 0 10px;
}

label {
    display: block;
    margin-bottom: 4px;
    font-size: 14px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
textarea,
select {
    width: 100%;
    max-width: 400px;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 16px;
    font-family: inherit;
}

button,
input[type="submit"] {
    background: var(--color-accent);
    color: #fff;
    border: none;
    padding: 9px 16px;
    border-radius: 4px;
    font-size: 15px;
    cursor: pointer;
}

button:hover {
    opacity: 0.9;
}

.link-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--topic-color, var(--color-border));
    border-radius: 8px;
    margin-bottom: 14px;
}

.topic-icon {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--topic-bg, var(--color-accent-tint));
    color: var(--topic-color, var(--color-accent));
}

.topic-icon svg {
    width: 18px;
    height: 18px;
}

.link-body {
    flex: 1;
    min-width: 0;
}

.link-item-row1 {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
}

.upvote-form {
    display: inline;
}

.upvote-button {
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    padding: 2px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}

.link-title {
    font-size: 17px;
    color: var(--color-text);
    font-weight: 500;
}

.link-domain {
    color: var(--color-muted);
    font-size: 13px;
}

.link-item-row2 {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    color: var(--color-muted);
    font-size: 13px;
    margin-top: 4px;
}

.link-item-row2 a {
    color: var(--color-muted);
}

.link-item-row3 {
    margin-top: 6px;
    font-size: 14px;
    color: var(--color-text);
}

.topic-tag {
    background: var(--topic-bg, var(--color-accent-tint));
    color: var(--topic-color, var(--color-accent));
    border-radius: 12px;
    padding: 1px 9px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge {
    display: inline-block;
    background: var(--color-warning-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 12px;
}

.pagination {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
    font-size: 14px;
}

.comments-section {
    margin-top: 32px;
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
}

.comment-form textarea,
.reply-form textarea {
    width: 100%;
    max-width: 600px;
    min-height: 70px;
}

.comment {
    border-top: 1px solid var(--color-border);
    padding: 12px 0;
}

.comment-replies {
    margin-left: 24px;
}

.comment-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--color-muted);
}

.comment-body {
    margin: 6px 0;
    font-size: 15px;
}

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

.reply-link,
.report-link {
    font-size: 13px;
    color: var(--color-muted);
}

/* No-JS reply/edit/report toggle: the form becomes visible only when its id
   matches the URL fragment (i.e. after clicking its trigger link). */
.reply-form,
.report-form {
    display: none;
    margin: 8px 0 8px 0;
}

.reply-form:target,
.report-form:target {
    display: block;
}

.report-form select,
.report-form textarea {
    display: block;
    margin-bottom: 8px;
}

.related-links {
    margin-top: 32px;
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
}

.topic-index {
    list-style: none;
    padding: 0;
}

.topic-index-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

.topic-index-name {
    font-size: 16px;
    font-weight: 500;
}

.topic-index-count {
    color: var(--color-muted);
    font-size: 13px;
    margin-left: 8px;
}

.topic-index-description {
    margin: 4px 0 0;
    color: var(--color-muted);
    font-size: 14px;
}

.topic-description {
    color: var(--color-muted);
    margin-bottom: 16px;
}

.guide-group {
    margin-bottom: 28px;
}

.guide-list {
    list-style: none;
    padding: 0;
}

.guide-card {
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
}

.guide-title {
    font-size: 17px;
    font-weight: 500;
}

.guide-updated {
    color: var(--color-muted);
    font-size: 13px;
    margin: 4px 0;
}

.guide-summary {
    font-size: 14px;
    margin: 4px 0 0;
}

.issue-list {
    list-style: none;
    padding: 0;
}

.issue-card {
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
}

.issue-title {
    font-size: 17px;
    font-weight: 500;
}

.issue-meta {
    color: var(--color-muted);
    font-size: 13px;
    margin: 4px 0;
}

.issue-intro {
    margin: 16px 0;
}

.issue-link-list {
    list-style: none;
    padding: 0;
}

.issue-link-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}

.issue-detail section {
    margin: 24px 0;
}

.guide-detail {
    max-width: 760px;
}

.guide-meta {
    color: var(--color-muted);
    font-size: 14px;
}

.guide-body {
    margin-top: 16px;
    line-height: 1.7;
}

.guide-body h2 {
    font-size: 24px;
    margin-top: 28px;
}

.guide-body h3 {
    font-size: 19px;
    margin-top: 20px;
}

.related-guides {
    margin-top: 32px;
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
}

.job-list {
    list-style: none;
    padding: 0;
}

.job-card {
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 16px;
    margin-bottom: 16px;
}

.job-card-featured {
    border-color: var(--color-accent);
}

.job-title {
    font-size: 18px;
    margin: 4px 0 4px;
}

.job-company {
    color: var(--color-muted);
    margin: 0 0 8px;
}

.job-facts {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 14px;
    margin: 0 0 8px;
}

.job-description {
    font-size: 14px;
    margin: 0 0 8px;
}

.job-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    color: var(--color-muted);
    font-size: 13px;
    margin: 0 0 10px;
}

.job-apply-button {
    display: inline-block;
    background: var(--color-cta);
    color: #fff;
    padding: 7px 14px;
    border-radius: 4px;
    font-size: 14px;
}

.job-apply-button:hover {
    text-decoration: none;
    opacity: 0.9;
}

.job-cta {
    color: var(--color-muted);
    font-size: 14px;
    margin-top: 24px;
}

.newsletter-signup {
    background: var(--color-warning-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 16px;
    margin: 24px 0;
    max-width: 480px;
}

.newsletter-copy {
    margin: 0 0 10px;
    font-size: 14px;
}

.newsletter-signup button {
    background: var(--color-cta);
}

.newsletter-signup input[type="email"] {
    max-width: 260px;
    width: 100%;
    display: inline-block;
    margin-bottom: 8px;
}

@media (min-width: 480px) {
    .newsletter-signup input[type="email"] {
        width: auto;
        margin-right: 8px;
        margin-bottom: 0;
    }
}

.newsletter-privacy {
    color: var(--color-muted);
    font-size: 12px;
    margin: 8px 0 0;
}