/* HABIT documentation — layout and typography inspired by PyRadiomics RTD style */

:root {
    --habit-primary: #2980b9;
    --habit-primary-dark: #1f6391;
    --habit-accent: #27ae60;
    --habit-border: #e1e4e5;
    --habit-bg: #fcfcfc;
    --habit-table-head: #2980b9;
}

/* Content area */
.wy-nav-content-wrap {
    background: var(--habit-bg);
}

.wy-nav-content {
    max-width: 960px;
    padding: 1.5em 2em;
}

/* Headings — clear hierarchy like PyRadiomics feature pages */
.rst-content h1 {
    border-bottom: 2px solid var(--habit-primary);
    padding-bottom: 0.35em;
    margin-bottom: 0.8em;
    font-weight: 600;
}

.rst-content h2 {
    border-bottom: 1px solid var(--habit-border);
    padding-bottom: 0.25em;
    margin-top: 1.6em;
    color: #2c3e50;
}

.rst-content h3 {
    margin-top: 1.3em;
    color: var(--habit-primary-dark);
}

.rst-content h4,
.rst-content h5,
.rst-content h6 {
    color: #34495e;
}

/* Sidebar */
.wy-side-nav-search {
    background-color: var(--habit-primary);
}

.wy-side-nav-search > a {
    color: #fff;
    font-weight: 600;
}

.wy-menu-vertical a:hover {
    background: rgba(41, 128, 185, 0.08);
}

.wy-menu-vertical li.current > a {
    border-left: 3px solid var(--habit-accent);
}

/* Tables — readable feature reference tables */
.wy-table-responsive {
    margin-bottom: 1.2em;
}

.wy-table-responsive table.docutils {
    border: 1px solid var(--habit-border);
    border-collapse: collapse;
    width: 100%;
}

.wy-table-responsive table.docutils th {
    background: var(--habit-table-head);
    color: #fff;
    font-weight: 600;
    padding: 0.55em 0.75em;
    border: 1px solid var(--habit-primary-dark);
}

.wy-table-responsive table.docutils td {
    padding: 0.5em 0.75em;
    border: 1px solid var(--habit-border);
    vertical-align: top;
}

.wy-table-responsive table.docutils tbody tr:nth-child(even) {
    background: #f7f9fb;
}

/* Math blocks */
.rst-content .math,
.rst-content div.math {
    overflow-x: auto;
    padding: 0.4em 0;
    margin: 0.6em 0;
}

/* Code blocks */
.rst-content pre.literal-block,
.rst-content div[class^="highlight"] {
    border: 1px solid var(--habit-border);
    border-radius: 3px;
}

/* Admonitions — PyRadiomics-style callouts */
.rst-content .admonition {
    border-radius: 3px;
    margin: 1.1em 0;
    padding: 0.6em 1em;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.rst-content .admonition-title {
    font-weight: 600;
    margin-bottom: 0.35em;
}

.rst-content .admonition.note {
    border-left: 4px solid var(--habit-primary);
    background: #eef6fc;
}

.rst-content .admonition.warning {
    border-left: 4px solid #e67e22;
    background: #fef9f3;
}

.rst-content .admonition.tip {
    border-left: 4px solid var(--habit-accent);
    background: #f0faf4;
}

.rst-content .admonition.important {
    border-left: 4px solid #8e44ad;
    background: #f9f3fc;
}

/* Local table of contents inside long pages */
.rst-content .contents.local {
    background: #f7f9fb;
    border: 1px solid var(--habit-border);
    border-radius: 3px;
    padding: 0.8em 1.2em;
    margin: 1em 0 1.5em;
}

.rst-content .contents.local ul {
    margin-bottom: 0;
}

/* Feature-type summary cards on landing pages */
.feature-overview-table td:first-child {
    font-weight: 600;
    white-space: nowrap;
}

/* Inline literals in tables */
.wy-table-responsive code.literal {
    font-size: 0.88em;
    background: #eef2f5;
    border: none;
    padding: 0.1em 0.35em;
}

/* Reference page section labels */
.rst-content .section h2 {
    text-transform: none;
    letter-spacing: 0;
}

.wy-breadcrumbs {
    margin-bottom: 0.5em;
}