/* Custom CSS for Jupyter Book Portfolio */

/* Top banner across all pages */
.bd-header-announcement {
    background: linear-gradient(90deg, #17395c 0%, #1f77b4 60%, #2ca02c 100%);
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.bd-header-announcement__content {
    max-width: 100%;
    padding: 0.4rem 1rem;
}

.top-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
}

.top-banner__left,
.top-banner__right {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.top-banner__logo {
    width: 1.9rem;
    height: 1.9rem;
    border-radius: 10px;
    display: inline-flex;
}

.top-banner__logo svg {
    width: 100%;
    height: 100%;
    max-width: 1.9rem;
    max-height: 1.9rem;
    display: block;
}

/* Fallback if custom.css fails to load: cap announcement graphics */
.bd-header-announcement svg {
    max-width: 2rem;
    max-height: 2rem;
}

.bd-header-announcement img {
    max-width: 2rem;
    max-height: 2rem;
    width: auto;
    height: auto;
    margin: 0;
    display: inline-block;
}

.top-banner__name {
    font-weight: 700;
    letter-spacing: 0.02em;
    font-size: 0.95rem;
    color: #ffffff;
}

.top-banner__socials {
    display: flex;
    align-items: center;
    gap: 0.42rem;
}

.top-banner__icon-link {
    width: 1.8rem;
    height: 1.8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 999px;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
    transition: background 0.15s ease-in-out, transform 0.15s ease-in-out;
}

.top-banner__icon-link svg {
    width: 0.95rem;
    height: 0.95rem;
}

.top-banner__icon-link:hover {
    background: rgba(255, 255, 255, 0.22);
    transform: translateY(-1px);
    color: #ffffff;
    text-decoration: none;
}

.top-banner__icon-link:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.top-banner__menu {
    position: relative;
}

.top-banner__menu > summary {
    list-style: none;
    cursor: pointer;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 999px;
    padding: 0.22rem 0.7rem;
    font-size: 0.85rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.12);
}

.top-banner__menu > summary::-webkit-details-marker {
    display: none;
}

.top-banner__menu > summary::after {
    content: " \25BE";
    font-size: 0.7rem;
}

.top-banner__menu > summary:hover,
.top-banner__menu[open] > summary {
    background: rgba(255, 255, 255, 0.2);
}

.top-banner__menu > summary:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.top-banner__dropdown {
    position: absolute;
    right: 0;
    margin-top: 0.35rem;
    min-width: 220px;
    background: #ffffff;
    border: 1px solid #dce1e7;
    border-radius: 10px;
    box-shadow: 0 10px 24px rgba(23, 57, 92, 0.18);
    overflow: hidden;
    z-index: 2000;
}

.top-banner__dropdown a {
    display: block;
    color: #17395c;
    text-decoration: none;
    padding: 0.6rem 0.8rem;
    font-size: 0.88rem;
    font-weight: 500;
    border-top: 1px solid #eef1f4;
}

.top-banner__dropdown a:first-child {
    border-top: none;
}

.top-banner__dropdown a:hover {
    background: #f3f7fb;
    color: #0f2740;
}

/* Code cell styling */
.jp-InputArea-editor {
    font-size: 14px;
    line-height: 1.6;
}

/* Code output styling */
.jp-OutputArea-output {
    font-size: 13px;
}

/* Increase readability of code blocks */
pre {
    font-size: 14px;
    line-height: 1.5;
}

code {
    font-size: 13px;
}

/* Custom color palette */
:root {
    --primary-color: #1f77b4;
    --secondary-color: #2ca02c;
    --accent-color: #ff7f0e;
    --warning-color: #d62728;
    --success-color: #2ca02c;
}

/* Admonition styling */
.admonition {
    border-left: 4px solid var(--primary-color);
    padding: 1em;
    margin: 1em 0;
    background-color: #f8f9fa;
}

.admonition.note {
    border-left-color: var(--primary-color);
}

.admonition.tip {
    border-left-color: var(--success-color);
}

.admonition.warning {
    border-left-color: var(--warning-color);
}

/* Image responsiveness (content only — do not shrink navbar / theme logos) */
.bd-main .bd-content img,
article.bd-article img,
.cell_output img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1em auto;
}

.navbar-brand img.logo__image,
.navbar-brand img {
    max-width: none;
    width: auto;
    height: 2.5rem;
    margin: 0;
    display: inline-block;
}

.leaflet-map-embed {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.leaflet-map-embed iframe {
    width: 100%;
    max-width: 100%;
    border: none;
    display: block;
}

/* Table styling */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1em 0;
}

table th,
table td {
    padding: 0.5em;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

table th {
    background-color: #f8f9fa;
    font-weight: 600;
}

/* Navigation improvements */
.bd-sidebar {
    font-size: 0.9em;
}

/* Secondary sidebar: narrower and collapsible by hover/focus */
@media (min-width: 1200px) {
    .bd-sidebar-secondary {
        width: 2.1rem;
        min-width: 2.1rem;
        max-width: 2.1rem;
        justify-self: end;
        margin-left: auto;
        margin-right: 0;
        overflow: hidden;
        transition: width 0.2s ease-in-out;
        border-left: 1px solid #e3e7ec;
        background: #ffffff;
    }

    .bd-sidebar-secondary::before {
        content: "TOC";
        display: block;
        writing-mode: vertical-rl;
        transform: rotate(180deg);
        text-align: center;
        font-size: 0.7rem;
        letter-spacing: 0.08em;
        color: #5a6b7f;
        padding: 0.55rem 0.35rem;
        font-weight: 700;
    }

    .bd-sidebar-secondary .sidebar-secondary-items {
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease-in-out;
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }

    .bd-sidebar-secondary:hover,
    .bd-sidebar-secondary:focus-within {
        width: 12.5rem;
        min-width: 12.5rem;
        max-width: 12.5rem;
    }

    .bd-sidebar-secondary:hover::before,
    .bd-sidebar-secondary:focus-within::before {
        display: none;
    }

    .bd-sidebar-secondary:hover .sidebar-secondary-items,
    .bd-sidebar-secondary:focus-within .sidebar-secondary-items {
        opacity: 1;
        pointer-events: auto;
    }
}

/* Ensure sidebar toggle button works */
.bd-header-article .sidebar-toggle-button {
    display: block !important;
    cursor: pointer;
}

.bd-header-article .sidebar-toggle-button:hover {
    opacity: 0.8;
}

/* Ensure sidebar can be hidden */
.bd-sidebar-primary {
    transition: transform 0.2s ease-in-out;
}

.bd-sidebar-primary.hidden {
    transform: translateX(-100%);
}

/* Content area spacing */
.bd-content {
    max-width: 900px;
}

/* Plot styling consistency */
.output_area {
    margin: 1em 0;
}

/* Responsive design */
@media (max-width: 768px) {
    .bd-header-announcement__content {
        padding: 0.45rem 0.8rem;
    }

    .top-banner {
        gap: 0.5rem;
    }

    .top-banner__name {
        font-size: 0.86rem;
    }

    .top-banner__logo {
        width: 1.5rem;
        height: 1.5rem;
    }

    .top-banner__socials {
        gap: 0.26rem;
    }

    .top-banner__icon-link {
        width: 1.55rem;
        height: 1.55rem;
    }

    .top-banner__icon-link svg {
        width: 0.8rem;
        height: 0.8rem;
    }

    .top-banner__menu > summary {
        font-size: 0.8rem;
        padding: 0.18rem 0.58rem;
    }

    .top-banner__dropdown {
        min-width: 190px;
    }

    .bd-content {
        padding: 1em;
    }
    
    pre {
        font-size: 12px;
        overflow-x: auto;
    }
}

/* Print styles */
@media print {
    .bd-sidebar,
    .bd-header {
        display: none;
    }
    
    .bd-content {
        max-width: 100%;
    }
}

/* Visual enhancements for project pages */
.project-hero {
    background: linear-gradient(135deg, #1f77b4 0%, #2ca02c 100%);
    color: white;
    padding: 2em;
    border-radius: 10px;
    margin: 2em 0;
    text-align: center;
}

.project-card {
    background: #f8f9fa;
    padding: 1.5em;
    border-radius: 8px;
    border-left: 4px solid;
    transition: transform 0.2s, box-shadow 0.2s;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.info-box {
    padding: 1.5em;
    border-radius: 8px;
    margin: 1.5em 0;
}

.info-box-blue {
    background: #e8f4f8;
}

.info-box-orange {
    background: #fff5e6;
    border-left: 4px solid #ff7f0e;
}

.info-box-green {
    background: #e8f5e9;
}