/* SimpleJRPG Documentation — Sakura Pink Theme */

/* ─── Light Mode (default) ─── */
:root {
    --bg: #f8f5f7;
    --section-bg: #ffffff;
    --navbar-bg: #ffffff;
    --border: #e8dce3;
    --accent: #d4829c;
    --accent-hover: #e8a0bf;
    --accent-light: #f0d4e0;
    --text-primary: #333333;
    --text-secondary: #666666;
    --code-bg: #f5eff2;
    --code-text: #c04d77;
    --success: #4caf50;
    --info: #2196f3;
    --warning-bg: #fff0f5;
    --warning-border: #d4829c;
    --success-bg: #e8f5e9;
    --success-border: #4caf50;
    --info-bg: #e3f2fd;
    --info-border: #2196f3;
    --shadow: rgba(212, 130, 156, 0.1);
    --toc-hover-bg: #f5eff2;
    --format-bg: #f5eff2;
    --scroll-bg: #ffffff;
}

/* ─── Dark Mode ─── */
[data-theme="dark"] {
    --bg: #1a1520;
    --section-bg: #221c28;
    --navbar-bg: #221c28;
    --border: #3a2e42;
    --accent: #e8a0bf;
    --accent-hover: #f0c0d5;
    --accent-light: #3a2e42;
    --text-primary: #e0dae0;
    --text-secondary: #a099a6;
    --code-bg: #2a2230;
    --code-text: #e8a0bf;
    --success: #66bb6a;
    --info: #64b5f6;
    --warning-bg: #2a1a22;
    --warning-border: #e8a0bf;
    --success-bg: #1a2a1a;
    --success-border: #66bb6a;
    --info-bg: #1a1a2a;
    --info-border: #64b5f6;
    --shadow: rgba(0, 0, 0, 0.3);
    --toc-hover-bg: #2a2230;
    --format-bg: #2a2230;
    --scroll-bg: #221c28;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ─── Format Selector ─── */
.format-selector {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.75rem 2rem 0;
    text-align: right;
    font-size: 0.8rem;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.5rem;
}

.format-label {
    color: var(--text-secondary);
}

.format-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.format-link:hover {
    color: var(--accent);
    text-decoration: none;
}

.format-link.active {
    background: var(--format-bg);
    color: var(--accent);
    font-weight: 600;
}

/* ─── Theme Toggle ─── */
.theme-toggle {
    background: var(--format-bg);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
    margin-left: 0.75rem;
}

.theme-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* ─── Navbar ─── */
.navbar {
    background: var(--navbar-bg);
    border-bottom: 2px solid var(--accent);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px var(--shadow);
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    margin-right: 2rem;
    white-space: nowrap;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 0;
    flex-wrap: wrap;
}

.navbar-nav a {
    display: block;
    padding: 0.5rem 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
}

.navbar-nav a:hover {
    color: var(--accent);
    background: var(--accent-light);
}

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

/* ─── Page Layout (sidebar + content) ─── */
.page-layout {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.page-layout .content {
    flex: 1;
    min-width: 0;
    max-width: 960px;
}

/* ─── Legacy Container (still used in single-page) ─── */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem;
}

/* ─── Sticky Table of Contents ─── */
.toc {
    position: sticky;
    top: 80px;
    width: 220px;
    min-width: 220px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    background: var(--section-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
}

.toc h3 {
    color: var(--accent);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0 0 0.75rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.toc ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc li {
    margin: 0;
}

.toc a {
    display: block;
    padding: 0.35rem 0.6rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.8rem;
    border-radius: 4px;
    border-left: 2px solid transparent;
    transition: all 0.2s;
}

.toc a:hover {
    color: var(--accent);
    background: var(--toc-hover-bg);
    border-left-color: var(--accent);
    text-decoration: none;
}

/* ─── Hero ─── */
.hero {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--section-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.hero .subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero .tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* ─── Sections ─── */
.section {
    background: var(--section-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

h2 {
    color: var(--accent);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-light);
}

h3 {
    color: var(--text-primary);
    font-size: 1.15rem;
    margin: 1.25rem 0 0.75rem;
}

h4 {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 1rem 0 0.5rem;
}

p { margin-bottom: 0.75rem; }

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

/* ─── Code ─── */
code {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 0.15em 0.4em;
    border-radius: 3px;
    font-size: 0.9em;
    font-family: 'Consolas', 'Fira Code', monospace;
}

pre {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.25rem;
    overflow-x: auto;
    margin: 1rem 0;
    line-height: 1.5;
}

pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
    font-size: 0.85rem;
}

/* ─── Feature Grid ─── */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.feature-card {
    background: var(--section-bg);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: 6px;
    padding: 1.25rem;
}

.feature-card h4 {
    color: var(--accent);
    margin: 0 0 0.5rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* ─── Steps ─── */
.steps { counter-reset: step; list-style: none; padding: 0; }

.steps li {
    counter-increment: step;
    padding: 0.75rem 0 0.75rem 3rem;
    position: relative;
    margin-bottom: 0.5rem;
}

.steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0.65rem;
    width: 2rem;
    height: 2rem;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

/* ─── Tables ─── */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
}

th {
    background: var(--accent-light);
    color: var(--accent);
    text-align: left;
    padding: 0.75rem;
    border: 1px solid var(--border);
    font-weight: 600;
}

td {
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border);
    vertical-align: top;
}

tr:nth-child(even) { background: var(--code-bg); }

/* ─── Alerts ─── */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 6px;
    margin: 1rem 0;
    border-left: 4px solid;
}

.alert-warning {
    background: var(--warning-bg);
    border-color: var(--warning-border);
}

.alert-success {
    background: var(--success-bg);
    border-color: var(--success-border);
}

.alert-info {
    background: var(--info-bg);
    border-color: var(--info-border);
}

.alert strong { display: block; margin-bottom: 0.25rem; }

/* ─── Lists ─── */
ul, ol { margin: 0.5rem 0 0.75rem 1.5rem; }
li { margin-bottom: 0.35rem; }

/* ─── State diagram ─── */
.state-diagram {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.5rem;
    text-align: center;
    font-family: 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.8;
    overflow-x: auto;
    white-space: pre;
}

/* ─── Footer ─── */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
}

/* ─── Comparison table highlight ─── */
.check { color: var(--success); font-weight: bold; }
.cross { color: #ccc; }

/* ─── Scroll Buttons ─── */
.scroll-btn {
    position: fixed;
    right: 30px;
    width: 40px;
    height: 40px;
    background: var(--scroll-bg);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--accent);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    z-index: 100;
    transition: all 0.2s;
}

.scroll-btn:hover {
    background: var(--accent-light);
    color: var(--accent-hover);
    text-decoration: none;
}

.scroll-to-top {
    bottom: 80px;
}

.scroll-to-bottom {
    bottom: 30px;
}

/* ─── Single-page specific ─── */
.page-break {
    border-top: 3px solid var(--accent-light);
    margin: 3rem 0;
    padding-top: 2rem;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .navbar { flex-direction: column; height: auto; padding: 0.75rem 1rem; }
    .navbar-nav { flex-wrap: wrap; justify-content: center; }
    .navbar-nav a { padding: 0.4rem 0.6rem; font-size: 0.8rem; }
    .page-layout { padding: 1rem; flex-direction: column; }
    .container { padding: 1rem; }
    .hero h1 { font-size: 1.75rem; }
    .feature-grid { grid-template-columns: 1fr; }
    .format-selector { padding: 0.5rem 1rem 0; }
}

@media (max-width: 900px) {
    .page-layout {
        flex-direction: column;
    }

    .toc {
        display: none;
    }

    .scroll-btn {
        right: 15px;
    }
}