/*
 * Thought Cloud - Thomas DeWitt
 * Consistent styling for blog index and posts
 */

/* ===== CSS Custom Properties ===== */
:root {
    --bg-warm: #f5f5f5;
    --text-primary: #2d2d2d;
    --text-muted: #6b6b6b;
    --text-active: #999;
    --header-height: 64px;
    --transition-fast: 0.15s ease;
    --transition-medium: 0.3s ease;
    --content-max-width: 800px;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-serif: 'EB Garamond', Georgia, serif;
}

/* ===== Base Reset ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-serif);
    background-color: var(--bg-warm);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    cursor: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32' style='font-size:24px'><text y='24'>☁️</text></svg>") 16 16, auto;
}

/* Raining cloud on clickable elements */
a, button, [role="button"] {
    cursor: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32' style='font-size:24px'><text y='24'>🌧️</text></svg>") 16 16, pointer;
}

/* Lightning cloud on click */
a:active, button:active, [role="button"]:active {
    cursor: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32' style='font-size:24px'><text y='24'>⛈️</text></svg>") 16 16, pointer;
}

/* ===== Header Navigation ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    height: var(--header-height);
    padding: 0 1.5rem;
    background: linear-gradient(to bottom, var(--bg-warm) 0%, var(--bg-warm) 80%, transparent 100%);
    font-family: var(--font-sans);
    font-size: 0.875rem;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-item {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: color var(--transition-fast);
    padding: 0.5rem 0;
    display: block;
}

.nav-link:hover {
    color: var(--text-primary);
    text-decoration: none;
}

.nav-link em {
    font-style: italic;
}

/* Active nav link - lighter color */
.nav-link.active {
    color: var(--text-active);
}

/* Static breadcrumb styles (for subpages like blog posts) */
.nav-item.static-breadcrumb {
    display: flex;
    align-items: center;
}

.breadcrumb-divider {
    margin: 0 0.5rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

.breadcrumb-current {
    color: var(--text-active);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 30vw;
    display: inline-block;
    padding: 0.5rem 0;
}

/* Hamburger (hidden on desktop) */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    padding: 0;
    margin-left: auto;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-warm);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-medium), visibility 0s var(--transition-medium);
}

.mobile-menu.open {
    opacity: 1;
    visibility: visible;
    transition: opacity var(--transition-medium), visibility 0s 0s;
}

.mobile-menu-content {
    padding: calc(var(--header-height) + 2rem) 1.5rem 2rem;
}

.mobile-menu .mobile-nav-item {
    margin-bottom: 1.5rem;
}

.mobile-menu .mobile-nav-link {
    display: block;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    margin-bottom: 0.5rem;
}

.mobile-menu .mobile-nav-link em {
    font-style: italic;
}

.mobile-menu .mobile-dropdown {
    padding-left: 1rem;
}

.mobile-menu .mobile-dropdown-link {
    display: block;
    font-size: 1rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.5rem 0;
}

.mobile-menu .mobile-dropdown-link:hover {
    color: var(--text-primary);
}

.mobile-menu .mobile-nav-link.active,
.mobile-menu .mobile-dropdown-link.active {
    color: var(--text-active);
}

/* ===== Main Content ===== */
.content {
    padding: calc(var(--header-height) + 2rem) 2rem 4rem;
    margin: 0 auto;
    max-width: var(--content-max-width);
}

/* ===== Index Page Styles ===== */
.page-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-family: var(--font-serif);
}

.page-subtitle {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.page-subtitle a {
    color: var(--text-primary);
    text-decoration: underline;
}

.page-subtitle a:hover {
    text-decoration: none;
}

/* Post list */
.post-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.post-list li {
    margin: 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.post-list li:first-child {
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.post-link {
    display: block;
    padding: 1rem 0;
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.post-link:hover {
    color: var(--text-muted);
    padding-left: 0.5rem;
}

.post-title {
    font-size: 1.1rem;
    font-weight: 400;
}

.post-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    font-family: var(--font-sans);
}

/* ===== Article Styles ===== */
.article-header {
    margin-bottom: 2rem;
}

.article-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.article-subtitle {
    font-size: 1.2rem;
    font-weight: 400;
    color: #333;
    margin-bottom: 0.5rem;
}

.article-date {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-family: var(--font-sans);
}

/* Article body */
.article-body h2,
.article-body h3,
.article-body h4,
.article-body h5,
.article-body h6 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    font-family: var(--font-serif);
}

.article-body h2 {
    font-size: 1.5rem;
}

.article-body h3 {
    font-size: 1.25rem;
}

.article-body p {
    margin: 1rem 0;
    line-height: 1.7;
}

.article-body a {
    color: inherit;
    text-decoration: underline;
}

.article-body a:hover {
    text-decoration: none;
}

.article-body img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 2rem auto;
    border-radius: 4px;
}

.article-body figure {
    margin: 2rem 0;
}

.article-body figcaption {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 0.5rem;
    text-align: center;
}

.article-body blockquote {
    margin: 1.5rem 0;
    padding: 1rem 1.5rem;
    border-left: 3px solid var(--text-muted);
    background: rgba(0, 0, 0, 0.02);
    font-style: italic;
}

.article-body blockquote p {
    margin: 0;
}

.article-body hr {
    border: none;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    margin: 2rem 0;
}

.article-body sup {
    font-size: 0.75rem;
    vertical-align: super;
    line-height: 0;
}

.article-body ul,
.article-body ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.article-body li {
    margin: 0.5rem 0;
}

/* Code blocks */
.article-body code {
    font-family: 'SF Mono', Monaco, 'Consolas', monospace;
    font-size: 0.9em;
    background: rgba(0, 0, 0, 0.05);
    padding: 0.15rem 0.3rem;
    border-radius: 3px;
}

.article-body pre {
    background: rgba(0, 0, 0, 0.05);
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.article-body pre code {
    background: none;
    padding: 0;
}

/* ===== Mobile Responsive ===== */
@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }

    .site-header {
        padding: 0 1rem;
    }

    /* Hide desktop nav, show hamburger */
    .site-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    /* Hamburger animation when menu open */
    .site-header.menu-open .hamburger span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .site-header.menu-open .hamburger span:nth-child(2) {
        opacity: 0;
    }

    .site-header.menu-open .hamburger span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .content {
        padding: calc(var(--header-height) + 1.5rem) 1.5rem 3rem;
    }

    .breadcrumb .current {
        max-width: 50vw;
    }
}

@media (max-width: 480px) {
    .content {
        padding: calc(var(--header-height) + 1rem) 1rem 2rem;
    }

    .page-title,
    .article-title {
        font-size: 1.75rem;
    }

    .breadcrumb .current {
        max-width: 40vw;
    }
}

/* ===== Print Styles ===== */
@media print {
    .site-header {
        display: none;
    }

    .content {
        padding: 2rem;
        max-width: none;
    }
}