/* ==========================================================================
   EDUARDO VEIGA // MODERN-RETRO DEVLOG STYLESHEET
   Clean, light, modern typography with a minimalist retro indie game essence
   ========================================================================== */

/* --- 1. Variables & Design Tokens (Modern Light Palette) --- */
:root {
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-alt: #f1f5f9;
    --bg-surface-hover: #e2e8f0;
    
    --text-primary: #1e293b;
    --text-headings: #0f172a;
    --text-muted: #64748b;
    --text-dim: #94a3b8;
    
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --accent-subtle: #eef2ff;
    --accent-border: #c7d2fe;
    
    --brand-border: #0f172a;
    --border-light: #e2e8f0;
    --border-mid: #cbd5e1;
    --border-retro: #0f172a;
    --retro-shadow: 3px 3px 0px #0f172a;
    --retro-shadow-sm: 2px 2px 0px #0f172a;
    --retro-shadow-hover: 4px 4px 0px #0f172a;

    --code-bg: #0f172a;
    --code-text: #38bdf8;
    --code-inline-bg: #f1f5f9;
    --code-inline-text: #0f172a;

    --badge-bg: #f1f5f9;
    --badge-text: #0f172a;
    --badge-border: #cbd5e1;

    --danger: #ef4444;
    --success: #10b981;
}

/* Warm / Paper Accent Mode */
[data-theme="paper"] {
    --bg-main: #faf8f5;
    --bg-surface: #ffffff;
    --bg-surface-alt: #f4efe6;
    --bg-surface-hover: #ede4d6;
    --text-primary: #292524;
    --text-headings: #1c1917;
    --text-muted: #78716c;
    --accent: #d97706;
    --accent-hover: #b45309;
    --accent-subtle: #fef3c7;
    --brand-border: #1c1917;
    --border-light: #e7e5e4;
    --retro-shadow: 3px 3px 0px #1c1917;
    --retro-shadow-sm: 2px 2px 0px #1c1917;
}

/* Emerald / Game Studio Accent Mode */
[data-theme="emerald"] {
    --accent: #059669;
    --accent-hover: #047857;
    --accent-subtle: #ecfdf5;
    --accent-border: #a7f3d0;
}

/* --- 2. Base & Modern Typography --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    background-color: var(--bg-main);
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Google Material Symbols Helper */
.material-symbols-outlined {
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    font-size: 1.25rem;
    line-height: 1;
    display: inline-block;
    vertical-align: -0.2em;
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* Links */
a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.15s ease, background-color 0.15s ease;
}

a:hover {
    color: var(--accent-hover);
}

/* Layout Container */
.container {
    width: 100%;
    max-width: 1020px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- 3. Top HUD / Status Bar (Modern Minimalist) --- */
.retro-hud {
    background: var(--bg-surface);
    border-bottom: 2px solid var(--brand-border);
    font-size: 0.8rem;
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.hud-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.hud-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
    animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

.hud-label {
    color: var(--text-muted);
}

.hud-val {
    color: var(--text-headings);
    font-weight: 700;
}

.hud-btn {
    background: var(--bg-surface);
    border: 1.5px solid var(--brand-border);
    color: var(--text-headings);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    cursor: pointer;
    box-shadow: 1.5px 1.5px 0px var(--brand-border);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.hud-btn:hover {
    background: var(--bg-surface-alt);
    transform: translate(1px, 1px);
    box-shadow: 0.5px 0.5px 0px var(--brand-border);
}

.hud-btn.active {
    background: var(--brand-border);
    color: #ffffff;
}

/* --- 4. Main Site Header --- */
.site-header {
    padding: 3.25rem 0 1.75rem;
    border-bottom: 2px solid var(--brand-border);
    margin-bottom: 2.5rem;
    background: transparent;
}

.brand-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.brand-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.brand-title {
    font-size: 2.1rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-headings);
    text-decoration: none;
    letter-spacing: -0.03em;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-title:hover {
    color: var(--accent);
}

.brand-tag {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1;
    background: var(--brand-border);
    color: #ffffff;
    padding: 0.25rem 0.55rem;
    letter-spacing: 0.05em;
    box-shadow: 2px 2px 0px var(--accent);
    display: inline-flex;
    align-items: center;
}

.brand-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-top: 0.25rem;
}

/* Navigation */
.site-nav {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.85rem;
    background: var(--bg-surface);
    border: 2px solid var(--brand-border);
    color: var(--text-headings);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--retro-shadow-sm);
    transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.15s ease;
}

.nav-link:hover {
    background: var(--bg-surface-alt);
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0px var(--brand-border);
    color: var(--text-headings);
}

.nav-link.active {
    background: var(--brand-border);
    color: #ffffff;
    box-shadow: none;
    transform: translate(1px, 1px);
}

.nav-link.admin-link {
    margin-left: auto;
    background: var(--accent-subtle);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 2px 2px 0px var(--accent);
}

.nav-link.admin-link:hover {
    background: var(--accent);
    color: #ffffff;
}

/* --- 5. Main Layout & Sidebar --- */
.main-wrapper {
    flex: 1;
    margin-bottom: 4rem;
}

.layout-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2.5rem;
    align-items: start;
}

@media (max-width: 820px) {
    .layout-grid {
        grid-template-columns: 1fr;
    }
}

/* --- 6. Devlog Cards (Modern Neo-Retro) --- */
.posts-stream {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.devlog-card {
    background: var(--bg-surface);
    border: 2px solid var(--brand-border);
    padding: 1.75rem;
    box-shadow: var(--retro-shadow);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.devlog-card:hover {
    transform: translate(-1px, -1px);
    box-shadow: var(--retro-shadow-hover);
}

.devlog-meta-top {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
    font-size: 0.82rem;
    margin-bottom: 0.85rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.game-badge {
    background: var(--accent-subtle);
    border: 1.5px solid var(--accent);
    color: var(--accent);
    font-weight: 700;
    padding: 0.2rem 0.55rem;
    font-size: 0.75rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    box-shadow: 1.5px 1.5px 0px var(--accent);
}

.game-badge:hover {
    background: var(--accent);
    color: #ffffff;
}

.version-badge {
    background: var(--bg-surface-alt);
    color: var(--text-muted);
    border: 1px solid var(--border-mid);
    padding: 0.15rem 0.45rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.meta-date {
    color: var(--text-muted);
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.devlog-title {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.3;
    margin-bottom: 0.85rem;
}

.devlog-title a {
    color: var(--text-headings);
    text-decoration: none;
}

.devlog-title a:hover {
    color: var(--accent);
    text-decoration: underline;
}

.devlog-cover {
    margin: 1.25rem 0;
    border: 2px solid var(--brand-border);
    max-height: 340px;
    overflow: hidden;
    background: #0f172a;
}

.devlog-cover img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.devlog-excerpt {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.7;
}

.devlog-meta-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-light);
}

.devlog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag-badge {
    background: var(--bg-surface-alt);
    color: var(--text-primary);
    padding: 0.2rem 0.5rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid var(--border-mid);
    transition: all 0.15s ease;
}

.tag-badge:hover {
    background: var(--brand-border);
    color: #ffffff;
    border-color: var(--brand-border);
}

.read-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--bg-surface);
    border: 2px solid var(--brand-border);
    color: var(--text-headings);
    padding: 0.45rem 1rem;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--retro-shadow-sm);
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.read-btn:hover {
    background: var(--brand-border);
    color: #ffffff;
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0px var(--brand-border);
}

/* --- 7. Sidebar Widgets --- */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.retro-widget {
    background: var(--bg-surface);
    border: 2px solid var(--brand-border);
    padding: 1.5rem;
    box-shadow: var(--retro-shadow);
}

.widget-title {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text-headings);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--brand-border);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.author-card p {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.85rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.65rem;
    border: 1.5px solid var(--brand-border);
    background: var(--bg-surface-alt);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-headings);
    text-decoration: none;
    box-shadow: 1px 1px 0px var(--brand-border);
}

.social-link:hover {
    background: var(--brand-border);
    color: #ffffff;
}

.widget-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.widget-list li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0.6rem;
    background: var(--bg-surface-alt);
    border: 1px solid var(--border-light);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-headings);
}

.widget-list li a:hover {
    border-color: var(--brand-border);
    background: var(--bg-surface-hover);
}

.widget-list .count {
    color: var(--text-muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.75rem;
    background: var(--bg-surface);
    padding: 0.1rem 0.4rem;
    border: 1px solid var(--border-mid);
}

/* --- 8. Post Detail View --- */
.post-detail {
    background: var(--bg-surface);
    border: 2px solid var(--brand-border);
    padding: 2.5rem;
    box-shadow: var(--retro-shadow);
    margin-bottom: 2rem;
}

@media (max-width: 640px) {
    .post-detail {
        padding: 1.5rem;
    }
}

.post-breadcrumbs {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.post-breadcrumbs a {
    color: var(--text-muted);
    text-decoration: none;
}

.post-breadcrumbs a:hover {
    color: var(--accent);
    text-decoration: underline;
}

.post-header {
    border-bottom: 2px solid var(--border-light);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}

.post-title {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-headings);
    line-height: 1.25;
    margin-bottom: 1rem;
}

.post-meta-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.post-meta-bar span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* Rich Post Content Typography (Modern & Legible) */
.post-body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.post-body h2 {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-headings);
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.4rem;
    border-bottom: 1.5px solid var(--border-light);
}

.post-body h3 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--text-headings);
    margin: 2rem 0 0.85rem;
}

.post-body p {
    margin-bottom: 1.5rem;
}

.post-body ul, 
.post-body ol {
    margin: 1.25rem 0 1.75rem 1.75rem;
}

.post-body li {
    margin-bottom: 0.5rem;
}

.post-body blockquote {
    border-left: 4px solid var(--accent);
    background: var(--accent-subtle);
    padding: 1.15rem 1.5rem;
    margin: 1.75rem 0;
    color: var(--text-headings);
    font-style: italic;
    border-radius: 0 4px 4px 0;
}

.post-body code {
    background: var(--code-inline-bg);
    color: var(--code-inline-text);
    padding: 0.15rem 0.4rem;
    border: 1px solid var(--border-mid);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.9em;
    font-weight: 600;
}

.post-body pre {
    background: var(--code-bg);
    color: var(--code-text);
    border: 2px solid var(--brand-border);
    padding: 1.25rem;
    overflow-x: auto;
    margin: 1.75rem 0;
    box-shadow: var(--retro-shadow-sm);
    border-radius: 2px;
}

.post-body pre code {
    background: transparent;
    color: inherit;
    padding: 0;
    border: none;
    font-size: 0.92rem;
    line-height: 1.6;
    font-weight: 400;
}

.post-body img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 2rem auto;
    border: 2px solid var(--brand-border);
    box-shadow: var(--retro-shadow-sm);
}

.post-body hr {
    border: 0;
    height: 2px;
    background: var(--border-light);
    margin: 3rem 0;
}

/* Post Navigation (Prev/Next) */
.post-nav-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-top: 2.5rem;
}

@media (max-width: 640px) {
    .post-nav-strip {
        grid-template-columns: 1fr;
    }
}

.post-nav-item {
    background: var(--bg-surface);
    border: 2px solid var(--brand-border);
    padding: 1.25rem;
    text-decoration: none;
    color: var(--text-headings);
    box-shadow: var(--retro-shadow-sm);
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.post-nav-item:hover {
    border-color: var(--accent);
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0px var(--brand-border);
    text-decoration: none;
}

.post-nav-dir {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.post-nav-title {
    font-weight: 700;
    font-size: 0.95rem;
    line-height: 1.35;
}

/* --- 9. Pagination --- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2.5rem;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.9rem;
    background: var(--bg-surface);
    border: 2px solid var(--brand-border);
    color: var(--text-headings);
    text-decoration: none;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--retro-shadow-sm);
}

.page-btn:hover {
    background: var(--bg-surface-alt);
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0px var(--brand-border);
    text-decoration: none;
}

.page-btn.active {
    background: var(--brand-border);
    color: #ffffff;
    box-shadow: none;
    transform: translate(1px, 1px);
}

/* --- 10. Project Boxes (in Pages) --- */
.project-box {
    background: var(--bg-surface);
    border: 2px solid var(--brand-border);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--retro-shadow-sm);
}

.project-box h3 {
    margin-top: 0;
    color: var(--text-headings);
    font-size: 1.25rem;
    border-bottom: 1.5px solid var(--border-light);
    padding-bottom: 0.5rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* --- 11. Footer --- */
.site-footer {
    background: var(--bg-surface);
    border-top: 2px solid var(--brand-border);
    padding: 2.5rem 0;
    margin-top: auto;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
    text-align: center;
}

.footer-social-icons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.footer-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--bg-surface);
    border: 2px solid var(--brand-border);
    color: var(--text-headings);
    text-decoration: none;
    box-shadow: var(--retro-shadow-sm);
    transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.15s ease, color 0.15s ease;
}

.footer-icon-btn:hover {
    background: var(--brand-border);
    color: #ffffff;
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0px var(--brand-border);
    text-decoration: none;
}

.footer-icon-btn .material-symbols-outlined {
    font-size: 1.35rem;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    justify-content: center;
}

.footer-nav a {
    color: var(--text-headings);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.footer-nav a:hover {
    color: var(--accent);
    text-decoration: underline;
}

/* --- 12. Modern-Retro 404 --- */
.game-over-box {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-surface);
    border: 2px solid var(--brand-border);
    margin: 2rem auto;
    max-width: 600px;
    box-shadow: var(--retro-shadow);
}

.game-over-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-headings);
    margin-bottom: 0.75rem;
}