/* ---------- Manual page styles ---------- */
.manual {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 22px 80px;
}

.manual-hero {
    padding: 72px 0 48px;
    border-bottom: 1px solid #d2d2d7;
    margin-bottom: 56px;
}
.manual-title {
    font-size: 56px;
    line-height: 1.07;
    font-weight: 600;
    letter-spacing: -0.005em;
    margin: 0 0 16px;
}
.manual-sub {
    font-size: 21px;
    line-height: 1.381;
    color: #6e6e73;
    margin: 0 0 40px;
    max-width: 600px;
}

/* Table of contents */
.toc {
    background: #f5f5f7;
    border-radius: 12px;
    padding: 24px 32px;
}
.toc h2 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #6e6e73;
    margin: 0 0 12px;
}
.toc ol {
    margin: 0;
    padding: 0 0 0 20px;
    columns: 2;
    column-gap: 32px;
}
.toc li {
    font-size: 15px;
    line-height: 2;
    break-inside: avoid;
}
.toc a {
    color: #0071e3;
}

/* Sections */
.manual-section {
    margin-bottom: 64px;
    scroll-margin-top: 60px;
}
.manual-section h2 {
    font-size: 36px;
    font-weight: 600;
    letter-spacing: -0.003em;
    margin: 0 0 16px;
    padding-top: 16px;
    border-top: 1px solid #d2d2d7;
}
.manual-section h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 32px 0 12px;
    letter-spacing: -0.01em;
}
.manual-section h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 24px 0 8px;
}
.manual-section p {
    font-size: 17px;
    line-height: 1.47059;
    color: #1d1d1f;
    margin: 0 0 16px;
}

/* Code blocks */
.code-block {
    background: #1d1d1f;
    color: #f5f5f7;
    border-radius: 10px;
    padding: 20px 24px;
    font-family: "SF Mono", "Fira Code", "Menlo", monospace;
    font-size: 14px;
    line-height: 1.6;
    overflow-x: auto;
    margin: 16px 0 24px;
}
.code-block code,
.manual-section .code-block code {
    background: none;
    border: none;
    border-radius: 0;
    padding: 0;
    font-size: inherit;
    color: inherit;
}

/* Inline code */
.manual-section code {
    background: #f5f5f7;
    border: 1px solid #e8e8ed;
    border-radius: 4px;
    padding: 2px 6px;
    font-family: "SF Mono", "Fira Code", "Menlo", monospace;
    font-size: 14px;
    color: #1d1d1f;
}

/* Reference tables */
.ref-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0 24px;
    font-size: 15px;
}
.ref-table thead {
    border-bottom: 2px solid #d2d2d7;
}
.ref-table th {
    text-align: left;
    padding: 10px 16px 10px 0;
    font-weight: 600;
    color: #1d1d1f;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.ref-table td {
    padding: 10px 16px 10px 0;
    border-bottom: 1px solid #e8e8ed;
    vertical-align: top;
}
.ref-table tbody tr:last-child td {
    border-bottom: none;
}
.ref-table code {
    background: #f5f5f7;
    border: 1px solid #e8e8ed;
    border-radius: 4px;
    padding: 2px 6px;
    font-family: "SF Mono", "Fira Code", "Menlo", monospace;
    font-size: 13px;
}

/* Keyboard shortcuts */
kbd {
    display: inline-block;
    background: #f5f5f7;
    border: 1px solid #d2d2d7;
    border-bottom-width: 2px;
    border-radius: 5px;
    padding: 2px 7px;
    font-family: "SF Mono", "Fira Code", "Menlo", monospace;
    font-size: 13px;
    color: #1d1d1f;
    white-space: nowrap;
    line-height: 1.4;
}

/* Responsive */
@media (max-width: 900px) {
    .manual-title {
        font-size: 40px;
    }
    .manual-sub {
        font-size: 18px;
    }
    .toc ol {
        columns: 1;
    }
}
@media (max-width: 540px) {
    .manual-title {
        font-size: 32px;
    }
    .manual-section h2 {
        font-size: 28px;
    }
    .manual-section h3 {
        font-size: 19px;
    }
    .ref-table {
        font-size: 14px;
    }
    .ref-table th,
    .ref-table td {
        padding: 8px 8px 8px 0;
    }
}