/* ==========================================================================
   InboxHelper Documentation Hub - Professional Minimalist Styling
   ========================================================================== */

:root {
    --bg-canvas: #09090b;      /* Pure dark zinc background */
    --bg-panel: #18181b;       /* Neutral zinc-900 panels */
    --bg-code: #09090b;        /* Pure dark code sections */
    
    --border-color: #27272a;   /* Clean zinc-800 borders */
    --border-color-focus: #3f3f46; /* Zinc-700 active borders */
    
    --text-heading: #f4f4f5;   /* Crisp zinc-100 headings */
    --text-prose: #a1a1aa;     /* Smooth zinc-400 paragraphs */
    --text-muted: #71717a;     /* Soft zinc-500 tags and dates */
    
    /* Minimal monochromatic accents - no flashy saturations */
    --accent-primary: #ffffff; 
    --accent-secondary: #27272a;
    
    /* Restrained semantic colors */
    --status-green: #4ade80;
    --status-green-bg: #14532d;
    --status-green-border: #15803d;
    
    --status-red: #fb7185;
    --status-red-bg: #4c0519;
    --status-red-border: #9f1239;
    
    --alert-neutral: #1e1b4b;
    --alert-neutral-border: #4338ca;
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-canvas);
    color: var(--text-prose);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.625;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--text-heading);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.8rem;
}

h1 {
    font-size: 2.4rem;
    line-height: 1.2;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.45rem;
    margin-top: 3rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

h3 {
    font-size: 1.15rem;
    margin-top: 1.75rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

p {
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
}

p.lead {
    font-size: 1.05rem;
    color: var(--text-heading);
    font-weight: 500;
    line-height: 1.6;
}

a {
    color: #e4e4e7;
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: #3f3f46;
    transition: all 0.15s ease;
}

a:hover {
    color: var(--text-heading);
    text-decoration-color: var(--text-heading);
}

code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
    background-color: var(--bg-panel);
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    color: #f4f4f5;
}

pre {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.25rem;
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

pre code {
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    border: none;
    color: #e4e4e7;
    font-size: 0.85rem;
    line-height: 1.5;
}

ul, ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

/* Header Styles */
.doc-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 64px;
    background-color: rgba(9, 9, 11, 0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.75rem;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-logo {
    width: 28px;
    height: 28px;
}

.header-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    color: var(--text-heading);
    font-size: 1.1rem;
    letter-spacing: -0.03em;
}

.version-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 0.1rem 0.35rem;
    border-radius: 6px;
    color: var(--text-heading);
    font-weight: 500;
}

.github-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-prose);
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.15s ease;
}

.github-link:hover {
    color: var(--text-heading);
    border-color: var(--border-color-focus);
}

.github-icon {
    width: 15px;
    height: 15px;
    fill: currentColor;
}

/* Sidebar Navigation */
.doc-sidebar {
    position: fixed;
    top: 64px;
    left: 0;
    width: 260px;
    height: calc(100vh - 64px);
    background-color: var(--bg-canvas);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    padding: 2.25rem 1.5rem;
    z-index: 90;
}

.nav-group {
    margin-bottom: 2rem;
}

.nav-group-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-heading);
    margin-bottom: 0.75rem;
}

.nav-list {
    list-style: none;
    padding-left: 0;
}

.nav-list li {
    margin-bottom: 0.35rem;
}

.nav-link {
    display: block;
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 500;
    padding: 0.25rem 0;
    text-decoration: none;
    transition: all 0.15s ease;
}

.nav-link:hover {
    color: var(--text-heading);
}

.nav-link.active {
    color: var(--text-heading);
    font-weight: 600;
}

/* Main Content Grid */
.doc-content {
    margin-left: 260px;
    margin-top: 64px;
    padding: 3.5rem 5rem;
    max-width: 980px;
    min-height: calc(100vh - 64px);
}

.doc-panel {
    display: none;
    animation: fadeIn 0.15s ease-out;
}

.doc-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(2px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Metric Cards */
.feature-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.metric-card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
}

.metric-card.security-focus {
    gap: 0.35rem;
}

.metric-card.security-focus .desc {
    font-size: 0.85rem;
    color: var(--text-prose);
    line-height: 1.5;
    margin-bottom: 0;
}

.metric-value {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.2rem;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* Flat, Monochromatic Alert Calls */
.alert {
    border-left: 3px solid var(--text-muted);
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--text-muted);
    padding: 1rem 1.25rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    color: var(--text-prose);
    font-size: 0.9rem;
}

.alert a {
    color: var(--text-heading);
}

.alert strong {
    color: var(--text-heading);
    font-weight: 600;
}

.alert.tip {
    border-left-color: #52525b; /* Neutral dark gray */
}

.alert.warning {
    border-left-color: #71717a; /* Neutral gray border */
}

/* Step lists */
.step-card {
    display: flex;
    gap: 1.25rem;
    margin: 1.75rem 0;
}

.step-number {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    color: var(--text-heading);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
}

.step-details {
    flex-grow: 1;
}

.step-details h3 {
    margin-top: 0;
    margin-bottom: 0.35rem;
    font-size: 1.05rem;
}

.step-details ul {
    margin-top: 0.5rem;
    margin-bottom: 0;
}

/* Code Block Custom Header */
.code-block-header {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
    padding: 0.4rem 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
}

.code-block-header + pre {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

/* Sandbox Styling */
.sandbox-box {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2rem;
    margin: 1.5rem 0;
}

.sandbox-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.sandbox-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.sandbox-input-group.full-width {
    grid-column: 1 / -1;
}

.sandbox-input-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-heading);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.sandbox-input-group input[type="text"],
.sandbox-input-group textarea {
    background-color: var(--bg-canvas);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.65rem 0.8rem;
    color: var(--text-heading);
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.15s ease;
}

.sandbox-input-group input[type="text"]:focus,
.sandbox-input-group textarea:focus {
    outline: none;
    border-color: var(--border-color-focus);
}

.checkbox-row {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 0.2rem;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
}

.checkbox-container input {
    accent-color: var(--accent-primary);
    width: 14px;
    height: 14px;
}

.checkbox-label {
    font-size: 0.85rem !important;
    font-weight: 500 !important;
    color: var(--text-prose) !important;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slider-header span {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    color: var(--text-heading);
    font-size: 0.9rem;
}

.slider-input {
    width: 100%;
    accent-color: var(--text-heading);
    background-color: var(--border-color);
    height: 4px;
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

/* Premium flat white button (Vercel style) */
.sb-evaluate-btn {
    margin-top: 1.5rem;
    width: 100%;
    background-color: var(--accent-primary);
    color: var(--bg-canvas);
    border: none;
    border-radius: 6px;
    padding: 0.75rem;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.sb-evaluate-btn:hover {
    background-color: #e4e4e7;
}

/* Sandbox Results Panel */
.sandbox-results {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-top: none;
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
    padding: 2rem;
    margin-top: -1.6rem;
    margin-bottom: 2rem;
    animation: slideDown 0.2s ease-out;
}

.sandbox-results.hidden {
    display: none;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-2px); }
    to { opacity: 1; transform: translateY(0); }
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.25rem;
}

.results-metrics {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.result-score-ring {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-canvas);
}

.result-score-ring #res-score {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1;
}

.result-score-ring .max-score {
    font-size: 0.6rem;
    color: var(--text-muted);
}

.result-status-block {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.result-status-block .label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

/* Beautiful dark background state badges - low saturation */
.status-badge {
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.8rem;
    width: max-content;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.status-badge.important {
    background-color: var(--status-green-bg);
    color: var(--status-green);
    border: 1px solid var(--status-green-border);
}

.status-badge.clutter {
    background-color: var(--status-red-bg);
    color: var(--status-red);
    border: 1px solid var(--status-red-border);
}

.breakdown-list {
    list-style: none;
    padding-left: 0;
}

.breakdown-list li {
    padding: 0.5rem 0.5rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.88rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-prose);
}

.breakdown-list li:last-child {
    border-bottom: none;
}

/* Gray adjustments - no bright oranges or neon greens */
.breakdown-list li.subtraction {
    color: #e4e4e7;
}

.breakdown-list li.subtraction .rule-pts {
    color: var(--status-red);
}

.breakdown-list li.addition {
    color: #ffffff;
}

.breakdown-list li.addition .rule-pts {
    color: var(--status-green);
}

.rule-pts {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
}

/* Monochromatic Scoring Rules Table */
.scoring-rules-table-wrapper {
    margin: 1.5rem 0;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.scoring-rules-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.scoring-rules-table th,
.scoring-rules-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.scoring-rules-table th {
    background-color: var(--bg-panel);
    color: var(--text-heading);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.scoring-rules-table tr:last-child td {
    border-bottom: none;
}

/* Simple, elegant table scores - no bright greens/oranges */
.scoring-rules-table tr {
    color: var(--text-prose);
}

.scoring-rules-table tr.negative-score td:nth-child(3) {
    color: var(--status-red);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
}

.scoring-rules-table tr.positive-score td:nth-child(3) {
    color: var(--status-green);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
}

/* Dynamic Releases Listing */
.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 3rem 0;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-top-color: var(--text-heading);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.releases-list {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.release-card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.75rem;
}

.release-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.release-ver-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.release-ver-title h3 {
    margin: 0;
    font-size: 1.2rem;
}

.release-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.release-body {
    font-size: 0.9rem;
    color: var(--text-prose);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.release-body h4 {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-heading);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.release-body ul {
    margin-bottom: 0.75rem;
    padding-left: 1.25rem;
}

.release-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Premium Vercel primary/secondary button themes */
.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--accent-primary);
    color: var(--bg-canvas);
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.82rem;
    border: none;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.download-btn:hover {
    background-color: #e4e4e7;
    color: var(--bg-canvas);
}

.download-btn svg {
    stroke: currentColor;
}

.download-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--bg-canvas);
    color: var(--text-prose);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.82rem;
    border: 1px solid var(--border-color);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s ease;
}

.download-btn-secondary:hover {
    color: var(--text-heading);
    border-color: var(--border-color-focus);
}

/* Inner Navigation Page Links */
.inner-nav-link {
    color: var(--text-heading);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: #3f3f46;
}

.inner-nav-link:hover {
    text-decoration-color: var(--text-heading);
}

/* Helpers */
.hidden {
    display: none !important;
}

/* Menu Toggle Burger Button */
.menu-toggle {
    display: none; /* Hidden by default on desktop */
    background: none;
    border: none;
    color: var(--text-prose);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.15s ease;
    margin-right: 0.5rem;
}

.menu-toggle:hover {
    color: var(--text-heading);
    background-color: var(--bg-panel);
}

/* Responsive Overrides */
@media (max-width: 900px) {
    .menu-toggle {
        display: inline-flex; /* Visible on mobile */
    }
    
    .doc-sidebar {
        display: block; /* Make visible when toggled */
        position: fixed;
        top: 64px;
        left: -280px; /* Off-screen by default */
        width: 260px;
        height: calc(100vh - 64px);
        background-color: rgba(9, 9, 11, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-right: 1px solid var(--border-color);
        transition: left 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        padding: 2rem 1.5rem;
    }
    
    .doc-sidebar.open {
        left: 0; /* Slide in! */
    }
    
    .doc-content {
        margin-left: 0;
        padding: 2.5rem 1.25rem;
    }
    
    .doc-header {
        padding: 0 1rem;
    }
}