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

:root {
    --bg-color: #f8f9fa;
    --surface-color: #ffffff;
    --input-bg: #ffffff;
    --bg-secondary: #eaecf0;
    --text-color: #202122;
    --text-muted: #54595d;
    --border-color: #a2a9b1;
    --link-color: #0645ad;
    --link-hover: #0b0080;
    --tab-active-bg: #fff;
    --tab-inactive-bg: #eaecf0;
    --accent-soft: #f0f5ff;
    --success-color: #14866d;
    --error-color: #b32424;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] {
    --bg-color: #101418;
    --surface-color: #1a1f24;
    --input-bg: #101418;
    --bg-secondary: #2a2f34;
    --text-color: #e0e0e0;
    --text-muted: #a0a0a0;
    --border-color: #3a3f44;
    --link-color: #6b9eff;
    --link-hover: #9dbbff;
    --tab-active-bg: #101418;
    --tab-inactive-bg: #2a2f34;
    --accent-soft: #1b2538;
    --success-color: #53d0b5;
    --error-color: #ff7575;
    --card-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
    min-height: 100vh;
}

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

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.skip-link {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 9999;
    background: #fff;
    color: var(--link-color);
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    width: auto;
    height: auto;
    overflow: visible;
}

.wiki-header {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 120;
}

.wiki-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.wiki-header-logo {
    width: 28px;
    height: 28px;
    border-radius: 4px;
}

.wiki-header-title {
    color: var(--text-color);
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
}

.wiki-header-title:hover {
    text-decoration: underline;
}

.wiki-header-tagline {
    color: var(--text-muted);
    font-size: 0.82rem;
    white-space: nowrap;
}

.wiki-header-right {
    display: flex;
    align-items: center;
}

.appearance-panel {
    position: relative;
}

.appearance-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 6px 10px;
    cursor: pointer;
    color: var(--text-color);
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 0.8rem;
}

.appearance-btn:hover {
    background: var(--tab-inactive-bg);
}

.appearance-dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    min-width: 160px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--surface-color);
    box-shadow: var(--card-shadow);
    padding: 10px;
    z-index: 220;
}

.appearance-dropdown.show {
    display: block;
}

.appearance-dropdown label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 0.84rem;
    color: var(--text-color);
    cursor: pointer;
}

.wiki-contact-pill {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 6px 11px;
    color: var(--text-color);
    background: var(--surface-color);
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.wiki-contact-pill:hover {
    text-decoration: none;
    background: var(--bg-secondary);
}

.wiki-tabs {
    background: var(--tab-inactive-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0 16px;
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    min-height: 40px;
}

.wiki-tabs-left,
.wiki-tabs-right {
    display: flex;
    align-items: stretch;
}

.wiki-tab,
.wiki-tabs-right a {
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    color: var(--link-color);
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 0.82rem;
    text-decoration: none;
    border-left: 1px solid transparent;
    border-right: 1px solid transparent;
}

.wiki-tab.active,
.wiki-tab[aria-current="page"] {
    color: var(--text-color);
    background: var(--tab-active-bg);
    border-left-color: var(--border-color);
    border-right-color: var(--border-color);
    font-weight: 700;
}

.page-container {
    max-width: 960px;
    margin: 26px auto 0;
    padding: 0 16px 48px;
}

.page-header {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
    padding-bottom: 12px;
}

.page-header h1 {
    font-family: "Linux Libertine", Georgia, "Times New Roman", serif;
    font-size: clamp(2rem, 5vw, 2.35rem);
    font-weight: 400;
    line-height: 1.1;
}

.page-header p {
    margin-top: 8px;
    color: var(--text-muted);
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 0.92rem;
}

.contact-row,
.social-row,
.form-section {
    max-width: 760px;
}

.contact-row {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid #d8dde3;
}

.contact-label {
    width: 78px;
    flex-shrink: 0;
    color: var(--text-muted);
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.contact-row a {
    font-size: 1rem;
}

.social-row {
    display: flex;
    gap: 14px;
    margin-top: 16px;
    margin-bottom: 26px;
}

.social-row a {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: transform 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.social-row a:hover {
    text-decoration: none;
    color: var(--link-color);
    border-color: var(--link-color);
    transform: translateY(-1px);
}

.form-section {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: var(--card-shadow);
    padding: 18px;
}

.form-section h2 {
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 1.08rem;
    margin-bottom: 14px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-muted);
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 0.92rem;
    padding: 9px 11px;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #447ff5;
    box-shadow: 0 0 0 2px rgba(68, 127, 245, 0.12);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.recaptcha-wrap {
    margin-bottom: 12px;
}

.form-submit {
    border: 1px solid #3366cc;
    background: #3366cc;
    color: #fff;
    border-radius: 4px;
    padding: 9px 16px;
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
}

.form-submit:hover {
    background: #2c5db8;
    border-color: #2c5db8;
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-status {
    margin-top: 10px;
    display: none;
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 0.88rem;
}

.form-status.error { color: var(--error-color); }

.form-fields.hidden { display: none; }

.cf-sending-state,
.cf-check-state,
.form-success-state {
    display: none;
    text-align: center;
    padding: 18px 0;
}

.cf-sending-state.visible,
.cf-check-state.visible,
.form-success-state.visible {
    display: block;
}

.cf-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto;
    border: 3px solid rgba(51, 102, 204, 0.2);
    border-top-color: #3366cc;
    border-radius: 50%;
    animation: cf-spin 0.8s linear infinite;
}

@keyframes cf-spin {
    to { transform: rotate(360deg); }
}

.cf-checkmark {
    width: 54px;
    height: 54px;
}

.cf-circle {
    stroke: var(--success-color);
    stroke-width: 3;
    stroke-dasharray: 145;
    stroke-dashoffset: 145;
}

.cf-check-state.visible .cf-circle {
    animation: cf-circle-draw 0.5s ease forwards;
}

@keyframes cf-circle-draw {
    to { stroke-dashoffset: 0; }
}

.cf-check {
    stroke: var(--success-color);
    stroke-width: 3.4;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 30;
    stroke-dashoffset: 30;
}

.cf-check-state.visible .cf-check {
    animation: cf-check-draw 0.35s ease forwards 0.42s;
}

@keyframes cf-check-draw {
    to { stroke-dashoffset: 0; }
}

.form-success-state p {
    color: var(--success-color);
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 1rem;
    margin-bottom: 12px;
}

.send-another-btn {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 4px;
    padding: 7px 12px;
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 0.85rem;
    cursor: pointer;
}

.send-another-btn:hover {
    border-color: #447ff5;
    color: #447ff5;
}

.wiki-footer {
    border-top: 1px solid var(--border-color);
    background: var(--surface-color);
    margin-top: 36px;
}

.wiki-footer-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 16px;
    color: var(--text-muted);
    font-family: "Source Sans 3", Arial, sans-serif;
    font-size: 0.84rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 8px;
}

.footer-copy,
.footer-self-hosted {
    margin-top: 2px;
}

:focus-visible {
    outline: 2px solid #447ff5;
    outline-offset: 2px;
}

@media (max-width: 700px) {
    .wiki-header {
        padding: 8px 12px;
    }

    .wiki-header-tagline {
        display: none;
    }

    .appearance-btn {
        font-size: 0.76rem;
        padding: 5px 8px;
    }

    .page-container {
        margin-top: 18px;
    }

    .contact-row {
        flex-direction: column;
        gap: 4px;
    }

    .contact-label {
        width: auto;
    }
}