:root {
    --navy: #1f2a37;
    --navy-light: #415d83;
    --orange: #fca228;
    --orange-soft: #e8a75a;
    --bg: #f4f1ec;
    --text: #2a2a2a;
    --muted: #6b7280;
    --link: #5389b0;
    --success: #16a34a;
}

html {
    background: linear-gradient(to bottom, var(--muted) 0%, var(--bg) 640px, var(--bg) 100%);
    background-attachment: fixed;
}

* {
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text);
    line-height: 1.6;
    font-size: 1.25rem;
}

header {
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--text);
}

.logo {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo span {
    color: var(--orange);
}

.tagline {
    margin-top: 1rem;
    font-size: 1.5rem;
    color: var(--text);
    font-weight: bold;
    text-shadow: 1px 0px 3px var(--bg);
}

.tagline .separator {
    margin: 0 1rem;
    color: var(--orange);
    line-height: inherit;
    text-shadow: none;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

h2 {
    color: var(--navy);
    text-shadow: 2px 1px 2px var(--bg);
    margin-top: 5rem;
    font-size: 3rem;
}

a {
    color: var(--link);
}

p {
    margin-block-start: 0.5rem;
}

.card {
    background: white;
    border-radius: 10px;
    padding: 1.5rem 2.5rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
    margin-top: 1rem;
    border: 1px solid var(--muted);
}

.small {
    font-size: 1rem;
    color: var(--muted);
}

.warning {
    color: var(--orange-soft);
}

pre {
    background: #f6f8fa;
    color: #24292f;
    padding: 1rem 0;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 0.9rem;
    border: 1px solid #d0d7de;
    position: relative;
}

code {
    font-family: "Fira Code", monospace;
    color: #24292f;
}

code:not(pre code) {
    font-size: 0.9rem;
    background: #f6f8fa;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    padding: 0.15rem 0.5rem;
    display: inline-block;
}

pre code {
    display: block;
    white-space: pre;
    counter-reset: line;
}

pre code .code-line {
    display: block;
    padding-left: 4em;
    position: relative;
    white-space: pre;
}

pre code .code-line::before {
    counter-increment: line;
    content: counter(line);
    color: #8c959f;
    position: absolute;
    left: 0;
    width: 2.25rem;
    text-align: right;
    user-select: none;
}

.jaiph-run .run-command {
    color: var(--muted);
    font-weight: 600;
}

.jaiph-run .run-time {
    color: var(--muted);
}

.jaiph-run .run-pass {
    color: var(--success);
    font-weight: 600;
}

.jaiph-run .run-fail {
    color: #cf222e;
    font-weight: 700;
}

.jaiph-run .run-diff-minus {
    color: #8c959f;
}

.jaiph-run .run-diff-plus {
    color: #cf222e;
}

.jaiph-run .run-keyword {
    font-weight: 600;
}

.jaiph-run .run-marker {
    color: var(--muted);
}

.jaiph-run .run-params {
    color: var(--muted);
}

.code-block-wrap {
    position: relative;
}

.copy-code-button {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    z-index: 2;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    background: white;
    color: #24292f;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    cursor: pointer;
    transition: background 0.15s ease;
}

.copy-code-button:hover {
    background: #f3f4f6;
}

.code-tab-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.code-tab-button {
    border: 1px solid #d0d7de;
    border-radius: 8px;
    background: white;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 600;
    font-family: "Fira Code", monospace;
    padding: 0.45rem 0.9rem;
    cursor: pointer;
}

.code-tab-button.is-active {
    background: #e7f3ff;
    border-color: #80bfff;
    color: #0550ae;
}

.code-tab-hint {
    color: var(--muted);
    font-size: 0.85rem;
}

.code-tab-panel {
    display: none;
}

.code-tab-panel.is-active {
    display: block;
}

.primitive-list {
    margin: 0.5rem 0 0;
}

.primitive-list dt {
    font-weight: 600;
    margin-top: 0.65rem;
}

.primitive-list dd {
    margin: 0.2rem 0 0.6rem 4rem;
    color: var(--text);
}

.card hr {
    border: none;
    border-top: 1px solid #d0d7de;
    margin: 1.5rem 0;
}

.footer {
    margin-top: 4rem;
    padding: 2rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--muted);
}

.button {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.6rem 1.2rem;
    background: var(--orange);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: 0.2s ease;
}

.button:hover {
    background: var(--orange-soft);
}

header h1 img {
    width: min(640px, 100%);
    height: auto;
}

/* Keywords */
.ralph-keyword {
    color: #cf222e;
    font-weight: 600;
}

/* Rule / workflow names */
.ralph-definition {
    color: #8250df;
}

/* Qualified prefix */
.ralph-qualifier {
    color: #6639ba;
}

/* Identifier */
.ralph-identifier {
    color: #0550ae;
}

/* Strings */
.ralph-string {
    color: #0a3069;
}

/* Comments */
.ralph-comment {
    color: #6e7781;
    font-style: italic;
}

/* Variable (assignment target) */
.ralph-variable {
    color: #0969da;
}

/* Operator */
.ralph-operator {
    color: #24292f;
}

/* ── Doc-page navigation ── */

.doc-nav {
    margin-top: 0.75rem;
    font-size: 1rem;
    color: var(--muted);
    border: var(--muted) 1px solid;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    padding: 1rem;
}

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

.doc-nav a:hover {
    text-decoration: underline;
}

.doc-nav .separator {
    margin: 0 0.25rem;
    color: var(--muted);
}

/* ── Doc-page header (smaller than home) ── */

.doc-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0.5rem 1.5rem 0.5rem;
    text-align: center;
    color: var(--text);
}

.doc-header + .container {
    padding-top: 11rem;
}

.doc-header h1 {
    margin: 0;
}

.doc-header h1 a {
    text-decoration: none;
}

.doc-header h1 img {
    width: min(320px, 60%);
    height: auto;
}

/* ── Markdown-rendered content inside .doc-content ── */

.doc-content {
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.doc-content h1 {
    color: var(--navy);
    text-shadow: 1px 0px 3px var(--bg);
    margin-top: 0;
    border-bottom: 2px solid var(--orange);
    padding-bottom: 0.5rem;
}

.doc-content h2 {
    color: var(--navy);
    text-shadow: 1px 0px 3px var(--bg);
    margin-top: 2rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid #d0d7de;
}

.doc-content h3 {
    color: var(--navy-light);
    margin: 1.5rem 0 0.3rem;
    padding-bottom: 0;
}

.doc-content h4 {
    color: var(--navy-light);
    margin: 1.5rem 0 0.3rem;
    padding-bottom: 0;
}

.doc-content hr {
    border: none;
    border-top: 1px solid #d0d7de;
    margin: 1.5rem 0;
}

.doc-content .table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1rem 0;
}

.doc-content table {
    width: 100%;
    min-width: 0;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.doc-content th {
    background: #f6f8fa;
    text-align: left;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    border: 1px solid #d0d7de;
}

.doc-content td {
    padding: 0.5rem 0.75rem;
    border: 1px solid #d0d7de;
    vertical-align: top;
}

.doc-content blockquote {
    margin: 1rem 0;
    padding: 0.75rem 1rem;
    border-left: 4px solid var(--orange);
    background: #fff8ee;
    border-radius: 0 8px 8px 0;
    color: var(--text);
}

.doc-content blockquote p {
    margin: 0.25rem 0;
}

.doc-content ul,
.doc-content ol {
    padding-left: 1.5rem;
}

.doc-content li {
    margin-bottom: 0.3rem;
}

.doc-content img {
    border-radius: 8px;
}

.doc-content .badge-row img {
    border-radius: 0;
    display: inline;
}

/* ── Doc-sections layout (docs.html template) ── */

.doc-sections {
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.doc-sections > h1 {
    color: var(--navy);
    text-shadow: 1px 0px 3px var(--bg);
    margin-top: 5rem;
    padding-bottom: 0.5rem;
    font-size: 3rem;
}

.doc-sections h2 {
    color: var(--navy);
    text-shadow: 1px 0px 3px var(--bg);
    margin-top: 2.5rem;
    margin-bottom: 0;
}

.doc-sections > .card {
    margin-top: 1rem;
}

.doc-sections h3 {
    color: var(--navy-light);
    margin-top: 1.5rem;
}

.doc-sections h4 {
    color: var(--navy-light);
    margin-top: 1.2rem;
}

.doc-sections .card hr {
    border: none;
    border-top: 1px solid #d0d7de;
    margin: 1.5rem 0;
}

.doc-sections .table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1rem 0;
}

.doc-sections table {
    width: 100%;
    min-width: 0;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.doc-sections th {
    background: #f6f8fa;
    text-align: left;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    border: 1px solid #d0d7de;
}

.doc-sections td {
    padding: 0.5rem 0.75rem;
    border: 1px solid #d0d7de;
    vertical-align: top;
}

.doc-sections blockquote {
    margin: 1rem 0;
    padding: 0.75rem 1rem;
    border-left: 4px solid var(--orange);
    background: #fff8ee;
    border-radius: 0 8px 8px 0;
    color: var(--text);
}

.doc-sections blockquote p {
    margin: 0.25rem 0;
}

.doc-sections ul,
.doc-sections ol {
    padding-left: 1.5rem;
}

.doc-sections li {
    margin-bottom: 0.3rem;
}

.doc-sections img {
    border-radius: 8px;
}

.doc-sections .badge-row img {
    border-radius: 0;
    display: inline;
}

/* ── Responsive ── */

@media (max-width: 768px) {
    html {
        background: linear-gradient(to bottom, var(--muted) 0%, var(--bg) 430px, var(--bg) 100%);
        background-attachment: fixed;
    }

    body {
        font-size: 1rem;
    }

    header {
        padding: 2rem 1rem;
    }

    .tagline {
        font-size: 1rem;
        line-height: 1.5;
    }

    .tagline .separator {
        margin: 0 0.4rem;
    }

    .container {
        padding: 1.5rem 1rem;
    }

    .card {
        padding: 1rem 1rem;
        border-radius: 8px;
    }

    h2 {
        margin-top: 1.8rem;
        font-size: 1.35rem;
    }

    pre {
        font-size: 0.82rem;
        padding: 1rem 0;
    }

    pre code .code-line {
        padding-left: 3.2em;
    }

    .code-tab-list {
        flex-wrap: wrap;
    }

    .code-tab-button {
        font-size: 0.82rem;
        padding: 0.4rem 0.75rem;
    }

    .doc-header {
        padding: 0.4rem 1rem 0.4rem;
    }

    .doc-header + .container {
        padding-top: 3.75rem;
    }

    .doc-header h1 img {
        width: min(220px, 50%);
    }

    .doc-nav {
        font-size: 0.85rem;
    }

}