:root {
    --bg: #ffffff;
    --text: #1a1a1a;
    --card: #f0f0f0;
    --btn-bg: #1a1a1a;
    --btn-text: #ffffff;
    --btn-border: #1a1a1a;
}

body[data-theme="dark"] {
    --bg: #0f1115;
    --text: #e8e8e8;
    --card: #1c2027;
    --btn-bg: #e8e8e8;
    --btn-text: #0f1115;
    --btn-border: #e8e8e8;
}

body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 40px 0 60px;
    background: var(--bg);
    color: var(--text);
    transition: background-color 0.2s ease, color 0.2s ease;
}

h1 {
    margin: 0 0 4px;
}

.subtitle {
    margin: 0;
    font-size: 14px;
    opacity: 0.8;
}

.site-header {
    width: min(900px, 92vw);
    display: grid;
    gap: 12px;
    align-items: center;
    justify-items: start;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.site-nav a {
    text-decoration: none;
    color: var(--text);
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--btn-border);
    font-size: 13px;
}

main {
    width: min(900px, 92vw);
    display: grid;
    gap: 20px;
    margin-top: 20px;
}

.panel {
    padding: 20px;
    border-radius: 16px;
    background: var(--card);
}

.panel h2 {
    margin: 0 0 12px;
    font-size: 20px;
}

.section-desc {
    margin: 0 0 16px;
    font-size: 14px;
    line-height: 1.5;
}

.bullet-list {
    margin: 0;
    padding-left: 18px;
    line-height: 1.6;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    background: var(--bg);
    color: var(--text);
}

.info-table th,
.info-table td {
    padding: 10px 12px;
    border: 1px solid var(--btn-border);
    text-align: left;
}

.info-table th {
    background: var(--card);
}

.note {
    margin-top: 10px;
    font-size: 12px;
    opacity: 0.75;
}

.pill-link {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--btn-text);
    text-decoration: none;
}

.panel form {
    display: grid;
    gap: 12px;
}

.panel label {
    font-size: 14px;
    font-weight: 600;
}

.panel input,
.panel textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--btn-border);
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
}

.panel input:focus,
.panel textarea:focus {
    outline: 2px solid var(--btn-border);
    outline-offset: 2px;
}

.panel button[type="submit"] {
    justify-self: start;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--btn-text);
    cursor: pointer;
}

.qa h3 {
    margin: 0 0 6px;
    font-size: 16px;
}

.qa p {
    margin: 0 0 12px;
    font-size: 14px;
}

.preview-img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: #ffffff;
}

#numbers-container {
    display: flex;
    margin-bottom: 20px;
    gap: 10px;
}

.number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--card);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 5px;
    font-size: 24px;
    font-weight: bold;
    color: var(--text);
}

#theme-toggle {
    margin: 10px 0 0;
    padding: 8px 16px;
    font-size: 14px;
    cursor: pointer;
    border-radius: 999px;
    border: 1px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--btn-text);
}

#generate-btn {
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
    border-radius: 8px;
    border: 1px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--btn-text);
}

#contact form {
    display: grid;
    gap: 12px;
}

#contact label {
    font-size: 14px;
    font-weight: 600;
}

#contact input,
#contact textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--btn-border);
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
}

#contact input:focus,
#contact textarea:focus {
    outline: 2px solid var(--btn-border);
    outline-offset: 2px;
}

#contact button[type="submit"] {
    justify-self: start;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--btn-text);
    cursor: pointer;
}

#disqus_thread {
    width: 100%;
}

.thanks-text {
    margin: 12px 0 20px;
    font-size: 16px;
}

.back-link {
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--btn-text);
    text-decoration: none;
}

.site-footer {
    width: min(900px, 92vw);
    margin-top: 24px;
    text-align: center;
    font-size: 13px;
    opacity: 0.8;
}

.footer-links {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.footer-links a {
    color: var(--text);
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.footer-links a:hover {
    border-color: var(--text);
}