/* METTLE Documentation Styles — New layout */

/* Breadcrumb */
.docs-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
    padding-top: var(--space-lg);
}

.docs-breadcrumb a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.15s ease;
}

.docs-breadcrumb a:hover {
    color: var(--mettle-primary);
}

.breadcrumb-sep {
    opacity: 0.4;
}

.breadcrumb-logo {
    vertical-align: -2px;
    opacity: 0.7;
}

/* Docs layout: sidebar + content */
.docs-main-new {
    max-width: 1100px;
    margin: 0 auto;
}

.docs-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.docs-header-new {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.docs-header-new h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.docs-subtitle {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    line-height: 1.6;
    max-width: 640px;
}

/* TOC Sidebar */
.toc-sidebar {
    position: sticky;
    top: 80px;
    z-index: 20;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(245, 158, 11, 0.2) transparent;
    padding-top: var(--space-lg);
}

.toc-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toc-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.toc-item i {
    font-size: 0.625rem;
    opacity: 0.5;
    width: 14px;
    text-align: center;
}

.toc-item:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text);
    text-decoration: none;
}

.toc-item.active {
    background: rgba(245, 158, 11, 0.08);
    color: var(--mettle-primary);
    border-left-color: var(--mettle-primary);
}

.toc-item.active i {
    opacity: 1;
}

/* New docs content */
.docs-content-new {
    max-width: 800px;
    min-width: 0;
}

/* Section styling — applies to ALL sections in docs content */
.docs-content-new > section {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    padding-top: var(--space-lg);
    scroll-margin-top: 60px;
}

.docs-section {
    scroll-margin-top: 60px;
}

.docs-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.docs-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.docs-section p {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.section-intro {
    font-size: 0.875rem;
    color: var(--mettle-primary);
    opacity: 0.8;
    margin-bottom: var(--space-md);
    font-weight: 500;
}

.section-icon {
    color: var(--mettle-primary);
    font-size: 1.125rem;
}

/* Getting Started box */
.getting-started-box {
    background: rgba(18, 18, 32, 0.5);
    border: 1px solid rgba(245, 158, 11, 0.12);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.getting-started-box > p {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.getting-started-box h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    margin-top: var(--space-lg);
}

/* Quick-start steps */
.quickstart-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.qs-step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    border-left: 2px solid var(--mettle-primary);
}

.qs-step-optional {
    border-left-color: rgba(245, 158, 11, 0.4);
    border-left-style: dashed;
}

.qs-num {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, #f59e0b, #fb923c);
    color: #0a0a12;
    font-weight: 800;
    font-size: 0.75rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.qs-step-optional .qs-num {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.5), rgba(251, 146, 60, 0.5));
}

.qs-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.qs-text strong {
    font-size: 0.875rem;
    color: var(--color-text);
}

.qs-text span {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.qs-text code {
    font-family: var(--font-mono);
    font-size: 0.8125em;
    background: rgba(255, 255, 255, 0.06);
    padding: 1px 5px;
    border-radius: var(--radius-sm);
    color: var(--mettle-primary);
}

/* New code blocks */
.code-block-new {
    background: rgba(12, 12, 24, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.code-block-new code {
    background: none;
    padding: 0;
}

/* Tier comparison */
.tier-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin: var(--space-lg) 0;
}

.tier-card {
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.06);
    overflow: hidden;
}

.tier-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.tier-self .tier-header { background: rgba(255, 255, 255, 0.03); }
.tier-notarized .tier-header { background: rgba(245, 158, 11, 0.06); }

.tier-badge {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 3px 12px;
    border-radius: 100px;
}

.tier-badge-self { color: var(--color-text-muted); background: rgba(255, 255, 255, 0.08); }
.tier-badge-notarized { color: var(--mettle-primary); background: rgba(245, 158, 11, 0.15); }

.tier-body {
    padding: var(--space-md) var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    background: rgba(18, 18, 32, 0.5);
}

.tier-detail {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.tier-detail strong {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-subtle, rgba(255, 255, 255, 0.4));
    font-weight: 600;
}

.tier-detail span, .tier-detail code {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* Notarize flow */
.notarize-flow {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    max-width: 560px;
    margin: var(--space-lg) 0;
}

.nf-step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: rgba(18, 18, 32, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
}

.nf-num {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, #f59e0b, #fb923c);
    color: #0a0a12;
    font-weight: 800;
    font-size: 0.875rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.nf-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.nf-content strong { color: var(--color-text); font-size: 0.9375rem; }
.nf-content code { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mettle-primary); }
.nf-content p { font-size: 0.8125rem; color: var(--color-text-muted); margin: 0; line-height: 1.5; }

.nf-arrow {
    text-align: center;
    color: var(--mettle-primary);
    opacity: 0.4;
    padding-left: 14px;
}

.flow-method {
    font-size: 0.625rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    font-family: var(--font-mono);
    align-self: flex-start;
}

/* Help box */
.help-box {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: rgba(18, 18, 32, 0.5);
    border: 1px solid rgba(245, 158, 11, 0.12);
    border-radius: var(--radius-lg);
}

.help-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.15);
    color: var(--mettle-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.help-content p { margin-bottom: var(--space-md); }

.help-links {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.help-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s ease;
}

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

/* Back link */
.docs-back {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-mettle-back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.15s ease;
}

.btn-mettle-back:hover {
    border-color: var(--mettle-primary);
    color: var(--mettle-primary);
    text-decoration: none;
}

/* =============================================
   Old layout styles (kept for remaining sections)
   ============================================= */

.docs-container { max-width: 1200px; }

/* Content — old sections that haven't been migrated yet */
.docs-content { max-width: 800px; }
.docs-content h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.docs-content .lead { font-size: 1.25rem; color: var(--text-muted); margin-bottom: 3rem; line-height: 1.6; }
.docs-content h2 { font-size: 1.75rem; margin-top: 3rem; margin-bottom: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.docs-content h2:first-of-type { border-top: none; margin-top: 0; padding-top: 0; }
.docs-content h3 { font-size: 1.25rem; margin-top: 2rem; margin-bottom: 0.75rem; }
.docs-content p { margin-bottom: 1rem; line-height: 1.7; }

.docs-content pre { background: var(--bg-card); border-radius: 8px; padding: 1.25rem; overflow-x: auto; margin-bottom: 1.5rem; border: 1px solid var(--border); }
.docs-content code { font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace; font-size: 0.875rem; }
.docs-content pre code { color: var(--text); }
.docs-content p code, .docs-content li code, .docs-content td code { background: var(--bg-card); padding: 0.125rem 0.375rem; border-radius: 4px; font-size: 0.85em; color: var(--primary); }

.docs-content table { width: 100%; border-collapse: collapse; margin-bottom: 1.5rem; }
.docs-content th, .docs-content td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
.docs-content th { background: var(--bg-card); font-weight: 600; font-size: 0.875rem; }
.docs-content td { font-size: 0.9rem; }

/* Table column dividers (audit fix) */
.docs-content table thead th,
.docs-content table tbody td {
    border-right: 1px solid var(--border);
}
.docs-content table thead th:last-child,
.docs-content table tbody td:last-child {
    border-right: none;
}

/* Alternating row colors (audit fix) */
.docs-content table tbody tr:nth-child(odd) {
    background: rgba(255, 255, 255, 0.02);
}

/* Table styling for new docs layout */
.docs-content-new table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.docs-content-new th,
.docs-content-new td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.docs-content-new th {
    background: var(--bg-card);
    font-weight: 600;
    font-size: 0.875rem;
}

.docs-content-new td {
    font-size: 0.9rem;
}

/* Column dividers */
.docs-content-new table thead th,
.docs-content-new table tbody td {
    border-right: 1px solid var(--border);
}

.docs-content-new table thead th:last-child,
.docs-content-new table tbody td:last-child {
    border-right: none;
}

/* Alternating row colors */
.docs-content-new table tbody tr:nth-child(odd) {
    background: rgba(255, 255, 255, 0.02);
}

/* Inline code in new docs */
.docs-content-new p code,
.docs-content-new li code,
.docs-content-new td code {
    background: var(--bg-card);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-size: 0.85em;
    color: var(--primary);
    font-family: var(--font-mono);
}

.endpoint-table td:first-child { width: 80px; }
.endpoint-table td:first-child code { font-weight: 600; }
.endpoint-table td:nth-child(2) { font-family: 'SF Mono', Monaco, monospace; font-size: 0.85rem; padding-right: 2rem; }
.endpoint-table td:nth-child(3) { padding-left: 1.5rem; }

.docs-content ul, .docs-content ol { margin-bottom: 1.5rem; padding-left: 1.5rem; }
.docs-content li { margin-bottom: 0.5rem; line-height: 1.6; }

.questions-list { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.question-item-doc { display: flex; gap: 1rem; padding: 1rem; background: var(--bg-card); border-radius: 8px; }
.question-item-doc .q-num { display: flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; background: var(--primary); color: white; border-radius: 50%; font-weight: 700; flex-shrink: 0; }
.question-item-doc strong { display: block; margin-bottom: 0.25rem; }
.question-item-doc p { margin: 0; font-size: 0.9rem; color: var(--text-muted); }

.challenge-type-doc { background: var(--bg-card); border-radius: 8px; padding: 1.5rem; margin-bottom: 1rem; }
.challenge-type-doc h3 { margin-top: 0; margin-bottom: 0.5rem; }
.challenge-type-doc p { margin-bottom: 1rem; color: var(--text-muted); }
.challenge-type-doc pre { margin-bottom: 0; font-size: 0.8rem; }

.callout { display: flex; gap: 1rem; padding: 1rem; background: rgba(99, 102, 241, 0.1); border: 1px solid var(--primary); border-radius: 8px; margin-top: 1.5rem; margin-bottom: 1.5rem; }
.callout i { color: var(--primary); font-size: 1.25rem; flex-shrink: 0; }
.callout p { margin: 0; font-size: 0.9rem; }

.faq-item {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 900px) {
    .docs-layout {
        grid-template-columns: 1fr;
    }
    .toc-sidebar {
        position: static;
        max-height: none;
        border: 1px solid rgba(255, 255, 255, 0.06);
        border-radius: var(--radius-lg);
        padding: var(--space-sm);
        background: rgba(10, 10, 18, 0.92);
        -webkit-backdrop-filter: blur(16px);
        backdrop-filter: blur(16px);
    }
    .toc-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 2px;
    }
    .toc-item {
        border-left: none;
        border-radius: var(--radius-md);
        font-size: 0.75rem;
        padding: 5px 10px;
    }
    .toc-item.active {
        border-left-color: transparent;
        background: rgba(245, 158, 11, 0.15);
    }
}

@media (max-width: 768px) {
    .tier-comparison { grid-template-columns: 1fr; }
    .docs-header-new h1 { font-size: 1.5rem; }
    .docs-section h2 { font-size: 1.25rem; flex-wrap: wrap; }
    .help-box { flex-direction: column; align-items: center; text-align: center; }
    .help-links { justify-content: center; }
}

@media (max-width: 480px) {
    .code-block-new { font-size: 0.75rem; padding: var(--space-md); }
    .quickstart-steps { gap: var(--space-xs); }
}