/* Spec/Ops — Material for MkDocs design system */

/* ===== Light Theme (default) ===== */
:root {
    --font-sans: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    --font-mono: "Roboto Mono", "SF Mono", "Fira Code", Menlo, Consolas, monospace;

    /* Primary palette */
    --color-primary: #18181b;
    --color-primary-light: hsla(0,0%,10%,0.06);
    --color-accent: #52525b;

    /* Surfaces */
    --color-bg: #ffffff;
    --color-surface: #f5f5f6;
    --color-surface-hover: #eeeeef;
    --color-border: #e0e0e2;
    --color-border-subtle: #efefef;

    /* Text */
    --color-text: #1a1a2e;
    --color-text-secondary: #52525b;
    --color-text-tertiary: #9e9ea8;

    /* Header */
    --color-header-bg: var(--color-primary);
    --color-header-text: #ffffff;

    /* Semantic */
    --color-green: #16a34a;
    --color-red: #dc2626;
    --color-yellow: #ca8a04;
    --color-blue: #2563eb;
    --color-green-bg: #f0fdf4;
    --color-green-border: #bbf7d0;
    --color-red-border: #fecaca;
    --color-global-bg: #eff6ff;
    --color-violation-bg: #fef2f2;

    /* Code */
    --color-code-bg: #f5f5f6;
    --color-code-fg: #37474f;

    /* Elevation (HSLA shadows) */
    --shadow-z1: 0 1px 3px hsla(220,15%,15%,0.08), 0 1px 2px hsla(220,15%,15%,0.06);
    --shadow-z2: 0 3px 6px hsla(220,15%,15%,0.1), 0 2px 4px hsla(220,15%,15%,0.06);
    --shadow-z3: 0 10px 20px hsla(220,15%,15%,0.12), 0 3px 6px hsla(220,15%,15%,0.08);
    --shadow-sm: var(--shadow-z1);
    --shadow-md: var(--shadow-z2);
    --shadow-lg: var(--shadow-z3);

    --transition: 0.15s ease;
    --radius-sm: 4px;
    --radius-md: 8px;
}

/* ===== Dark Theme ===== */
[data-theme="dark"] {
    --color-primary: #e2e2e8;
    --color-primary-light: hsla(0,0%,90%,0.1);
    --color-accent: #a8a8b4;

    --color-bg: hsl(220,18%,13%);
    --color-surface: hsl(220,16%,17%);
    --color-surface-hover: hsl(220,14%,21%);
    --color-border: hsl(220,12%,24%);
    --color-border-subtle: hsl(220,12%,20%);

    --color-text: #e2e2e8;
    --color-text-secondary: #a8a8b4;
    --color-text-tertiary: #6e6e7a;

    --color-header-bg: hsl(220,16%,17%);
    --color-header-text: #e2e2e8;

    --color-green: #4ade80;
    --color-red: #f87171;
    --color-yellow: #facc15;
    --color-blue: #60a5fa;
    --color-green-bg: hsla(140,50%,40%,0.1);
    --color-green-border: hsla(140,50%,40%,0.25);
    --color-red-border: hsla(0,60%,50%,0.25);
    --color-global-bg: hsla(225,60%,50%,0.1);
    --color-violation-bg: hsla(0,50%,50%,0.1);

    --color-code-bg: hsl(220,16%,20%);
    --color-code-fg: #c5cdd5;

    --shadow-z1: 0 1px 3px hsla(220,20%,5%,0.3), 0 1px 2px hsla(220,20%,5%,0.2);
    --shadow-z2: 0 3px 6px hsla(220,20%,5%,0.35), 0 2px 4px hsla(220,20%,5%,0.2);
    --shadow-z3: 0 10px 20px hsla(220,20%,5%,0.4), 0 3px 6px hsla(220,20%,5%,0.25);
    --shadow-sm: var(--shadow-z1);
    --shadow-md: var(--shadow-z2);
    --shadow-lg: var(--shadow-z3);
}

*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: var(--font-sans);
    font-size: 18px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    margin: 0;
    padding: 0;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-accent); text-decoration: underline; }

/* ===== Header ===== */
.app-header {
    background: var(--color-header-bg);
    padding: 0 1.5rem;
    height: 48px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-z2);
}
.app-header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: none;
    margin: 0 auto;
    height: 100%;
}
.logo {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-header-text);
    text-decoration: none;
    letter-spacing: 0.02em;
}
.logo:hover { color: var(--color-header-text); text-decoration: none; }
.nav-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-header-text);
}
.avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1.5px solid hsla(0,0%,100%,0.4);
}
.btn-link {
    background: none;
    border: none;
    color: hsla(0,0%,100%,0.7);
    cursor: pointer;
    font-size: 0.8125rem;
}
.btn-link:hover { color: var(--color-header-text); }

/* Theme toggle */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    color: hsla(0,0%,100%,0.7);
    font-size: 1.125rem;
    transition: color var(--transition);
    display: flex;
    align-items: center;
}
.theme-toggle:hover { color: var(--color-header-text); }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: inline; }
[data-theme="dark"] .theme-toggle .icon-sun { display: inline; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ===== Main content ===== */
main {
    max-width: none;
    margin: 0 auto;
    padding: 1.5rem 1.5rem;
}

/* ===== Typography ===== */
h1 { font-size: 2em; font-weight: 300; margin: 0 0 1.25rem; }
h2 { font-size: 1.5625em; font-weight: 300; margin: 1.5rem 0 0.75rem; }
h3 { font-size: 1.25em; font-weight: 400; margin: 1rem 0 0.5rem; }

/* Typography for rendered specs */
.spec-content h1 { font-size: 2em; font-weight: 300; margin: 1.5rem 0 0.75rem; border-bottom: 1px solid var(--color-border); padding-bottom: 0.5rem; }
.spec-content h2 { font-size: 1.5625em; font-weight: 300; margin: 2rem 0 0.75rem; border-bottom: 1px solid var(--color-border); padding-bottom: 0.25rem; }
.spec-content h3 { font-size: 1.25em; font-weight: 400; margin: 1.5rem 0 0.5rem; }
.spec-content h4 { font-size: 1rem; font-weight: 500; margin: 0.75rem 0 0.5rem; }
.spec-content p { margin: 0.65rem 0; line-height: 1.7; }
.spec-content a { color: var(--color-primary); }
.spec-content a:hover { color: var(--color-accent); }
.spec-content ul, .spec-content ol { padding-left: 1.5rem; margin: 0.5rem 0; }
.spec-content li { margin: 0.3rem 0; }

/* GFM tables */
.spec-content table { border-collapse: collapse; width: 100%; margin: 0.75rem 0; }
.spec-content th, .spec-content td { border: 1px solid var(--color-border); padding: 0.4rem 0.6rem; text-align: left; font-size: 0.8125rem; }
.spec-content th { background: var(--color-surface); font-weight: 500; color: var(--color-text-secondary); }
.spec-content tr:nth-child(even) { background: var(--color-surface); }

/* Fenced code blocks */
.spec-content pre { background: var(--color-code-bg); color: var(--color-code-fg); padding: 1rem; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); overflow-x: auto; font-size: 0.8125rem; line-height: 1.5; margin: 0.75rem 0; }
.spec-content code { font-family: var(--font-mono); font-size: 0.8125em; }
.spec-content :not(pre) > code { background: var(--color-code-bg); padding: 0.15rem 0.35rem; border-radius: 3px; color: var(--color-code-fg); border: 1px solid var(--color-border-subtle); }
.spec-content blockquote { border-left: 3px solid var(--color-primary); padding-left: 1rem; margin: 0.75rem 0; color: var(--color-text-secondary); font-style: italic; }

/* Task lists */
.spec-content input[type="checkbox"] { margin-right: 0.5rem; }

/* Dark mode image handling */
[data-theme="dark"] .spec-content img {
    background: white;
    padding: 4px;
    border-radius: var(--radius-sm);
}

/* ===== Tables — general data tables ===== */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
    text-align: left;
    padding: 0.5rem 0.75rem;
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    border-bottom: 1px solid var(--color-border);
}
.data-table td {
    padding: 0.6rem 0.75rem;
    font-size: 0.8125rem;
    border-bottom: 1px solid var(--color-border-subtle);
    color: var(--color-text-secondary);
}
.data-table tr:hover td { background: var(--color-surface-hover); }
.data-table td:first-child { color: var(--color-text); font-weight: 450; }

/* Monospace cells */
.mono { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-text-tertiary); }

/* ===== Status indicators ===== */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    vertical-align: middle;
}
.status-pass { background: var(--color-green); }
.status-fail { background: var(--color-red); }
.status-partial { background: var(--color-yellow); }
.status-unknown { background: var(--color-text-tertiary); }

.coverage { font-family: var(--font-mono); font-size: 0.75rem; }
.coverage-high { color: var(--color-green); }
.coverage-mid { color: var(--color-yellow); }
.coverage-low { color: var(--color-red); }
.coverage-none { color: var(--color-text-tertiary); }

/* ===== Action buttons ===== */
.action-link {
    color: var(--color-text-tertiary);
    font-size: 0.75rem;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.2rem 0.4rem;
}
.action-link:hover { color: var(--color-text-secondary); }
.action-delete:hover { color: var(--color-red); }

/* ===== Origin labels ===== */
.origin-label {
    display: inline-block;
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.1rem 0.4rem;
    border-radius: 2px;
}
.origin-global { background: var(--color-global-bg); color: var(--color-blue); }
.origin-local { background: var(--color-green-bg); color: var(--color-green); }
.locked-indicator { color: var(--color-text-tertiary); font-size: 0.6875rem; margin-left: 0.25rem; }

/* ===== Violation panel ===== */
.violations { background: var(--color-violation-bg); border: 1px solid var(--color-red-border); border-radius: 4px; padding: 0.75rem; margin: 0.75rem 0; }
.violations h3 { color: var(--color-red); margin-top: 0; font-size: 0.875rem; }
.violation-item { padding: 0.4rem 0; border-bottom: 1px solid var(--color-red-border); font-size: 0.8125rem; }
.violation-item:last-child { border-bottom: none; }
.violation-severity { font-weight: 500; text-transform: uppercase; font-size: 0.6875rem; letter-spacing: 0.03em; }
.severity-error { color: var(--color-red); }
.severity-warning { color: var(--color-yellow); }

/* ===== Kanban board ===== */
.kanban-board { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 0.75rem; }
.kanban-column {
    background: var(--color-surface);
    box-shadow: var(--shadow-z1);
    border-radius: var(--radius-md);
    padding: 0;
    min-height: 200px;
}
.kanban-column h3 {
    margin: 0;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: sticky;
    top: 0;
    background: var(--color-surface);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    z-index: 1;
}
.column-tasks { min-height: 120px; padding: 0.5rem; }
.task-card {
    background: var(--color-bg);
    box-shadow: var(--shadow-z1);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    margin-bottom: 0.4rem;
    cursor: grab;
    transition: box-shadow var(--transition), transform var(--transition);
    border-left: 3px solid var(--color-text-tertiary);
}
.task-card:hover { box-shadow: var(--shadow-z2); transform: translateY(-1px); }
.task-card.dragging { opacity: 0.4; transform: rotate(2deg); box-shadow: var(--shadow-z3); }

/* Card left-border accent by column status */
.kanban-column[data-status="todo"] .task-card { border-left-color: var(--color-text-tertiary); }
.kanban-column[data-status="doing"] .task-card { border-left-color: var(--color-primary); }
.kanban-column[data-status="done"] .task-card { border-left-color: var(--color-green); }

.task-id { font-family: var(--font-mono); font-size: 0.6875rem; color: var(--color-text-tertiary); }
.task-title { margin: 0.25rem 0 0; font-size: 0.8125rem; font-weight: 600; color: var(--color-text); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.task-desc { margin: 0.1rem 0 0; font-size: 0.75rem; color: var(--color-text-tertiary); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.task-card p:not(.task-title):not(.task-desc) { margin: 0.15rem 0 0; font-size: 0.8125rem; color: var(--color-text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.task-card-header { display: flex; align-items: center; gap: 0.35rem; }
.card-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.kanban-column[data-status="todo"] .card-dot { background: var(--color-text-tertiary); }
.kanban-column[data-status="doing"] .card-dot { background: var(--color-primary); }
.kanban-column[data-status="done"] .card-dot { background: var(--color-green); }
.col-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.col-todo { background: var(--color-text-tertiary); }
.col-doing { background: var(--color-primary); }
.col-done { background: var(--color-green); }
.col-count { font-family: var(--font-mono); font-size: 0.625rem; color: var(--color-text-tertiary); margin-left: auto; }
.col-empty { text-align: center; padding: 2rem 0.5rem; color: var(--color-text-tertiary); font-size: 0.8125rem; border: 1px dashed var(--color-border); border-radius: var(--radius-md); margin: 0.25rem 0; }
.board-count { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-text-tertiary); }
.col-desc { font-size: 0.6875rem; color: var(--color-text-tertiary); margin: -0.5rem 0 0.75rem; font-weight: 400; }
.kanban-column.drag-over { outline: 2px dashed var(--color-primary); outline-offset: -2px; background: var(--color-primary-light); }
.task-card.just-dropped { animation: dropHighlight 0.4s ease; }
@keyframes dropHighlight { 0% { box-shadow: 0 0 0 2px var(--color-primary); } 100% { box-shadow: var(--shadow-z1); } }

/* ===== Task detail modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: hsla(220,15%,15%,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.modal-content {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-z3);
    width: 560px;
    max-width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
}
.modal-title { display: flex; align-items: center; gap: 0.75rem; }
.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
}
.modal-close:hover { color: var(--color-text); }
.modal-body {
    padding: 1.25rem;
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    white-space: pre-wrap;
}
.modal-status-badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
}
.modal-status-badge.todo { background: var(--color-surface); color: var(--color-text-tertiary); }
.modal-status-badge.doing { background: var(--color-global-bg); color: var(--color-blue); }
.modal-status-badge.done { background: var(--color-green-bg); color: var(--color-green); }

/* ===== Forms ===== */
.form-inline { display: flex; gap: 0.5rem; margin-bottom: 1.25rem; }
.form-inline input[type="url"], .form-inline input[type="text"] {
    flex: 1;
    padding: 0.4rem 0.6rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text);
    font-size: 0.8125rem;
    font-family: var(--font-sans);
}
.form-inline input::placeholder { color: var(--color-text-tertiary); }
.form-inline input:focus { outline: none; border-color: var(--color-primary); }

.btn {
    display: inline-block;
    padding: 0.4rem 0.75rem;
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.8125rem;
    font-weight: 450;
    cursor: pointer;
    text-decoration: none;
    font-family: var(--font-sans);
}
.btn:hover { background: var(--color-surface-hover); color: var(--color-text); border-color: var(--color-text-tertiary); text-decoration: none; }
.inline { display: inline; }

/* ===== Error pages ===== */
.error-page { text-align: center; padding: 4rem 1rem; }
.error-page h1 { font-size: 3rem; color: var(--color-text-tertiary); margin-bottom: 0.25rem; font-weight: 300; }
.error-page p { color: var(--color-text-tertiary); font-size: 0.875rem; }

/* ===== Login page ===== */
.login-page { display: flex; justify-content: center; align-items: center; min-height: 80vh; }
.login-card { text-align: center; padding: 2.5rem; border: 1px solid var(--color-border); border-radius: 6px; max-width: 360px; width: 100%; background: var(--color-surface); box-shadow: var(--shadow-z2); }
.login-card h1 { font-size: 1.5rem; font-weight: 300; margin-bottom: 0.15rem; }
.tagline { color: var(--color-text-tertiary); margin-bottom: 1.5rem; font-size: 0.8125rem; font-style: italic; }
.btn-github { display: inline-block; padding: 0.5rem 1.5rem; background: var(--color-text); color: var(--color-bg); text-decoration: none; border-radius: 4px; font-weight: 500; font-size: 0.875rem; }
.btn-github:hover { opacity: 0.9; text-decoration: none; }

/* ===== Empty state ===== */
.empty-state { color: var(--color-text-tertiary); font-size: 0.8125rem; padding: 2rem 0; text-align: center; }

/* ===== Alert ===== */
.alert { padding: 0.5rem 0.75rem; border-radius: 4px; margin-bottom: 0.75rem; font-size: 0.8125rem; }
.alert-error { background: var(--color-violation-bg); color: var(--color-red); border: 1px solid var(--color-red-border); }
.alert-success { background: var(--color-green-bg); color: var(--color-green); border: 1px solid var(--color-green-border); }

/* ===== Section headers on project view ===== */
section { margin-bottom: 1.5rem; }
section h2 { display: flex; align-items: center; gap: 0.5rem; }

/* ===== Project Detail — MKDocs Sidebar Layout (ADR-002) ===== */

/* When on project pages, main has no padding/max-width — the layout handles it */
main.project-main { max-width: none; padding: 0; }

.project-layout {
    display: flex;
    min-height: calc(100vh - 48px); /* viewport minus header */
}

/* Sidebar */
.project-sidebar {
    width: 280px;
    min-width: 280px;
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}
.sidebar-header {
    padding: 1rem 1.25rem 0.75rem;
    border-bottom: 1px solid var(--color-border);
}
.sidebar-repo {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    line-height: 1.4;
}
.sidebar-repo:hover { text-decoration: underline; color: var(--color-primary); }
.sidebar-desc {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    margin-top: 0.15rem;
    line-height: 1.4;
}

/* Nav sections */
.sidebar-nav { flex: 1; padding: 0.75rem; overflow-y: auto; }
.nav-overview {
    display: block;
    padding: 0.5rem 0.625rem;
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: 4px;
    border-left: 3px solid transparent;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.nav-overview:hover {
    background: var(--color-surface);
    color: var(--color-accent);
    text-decoration: none;
}
.nav-overview.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 500;
    border-left-color: var(--color-primary);
}
.nav-section { margin-bottom: 0.25rem; }
.nav-section-title {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem;
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
}
/* Nav items */
.nav-item {
    display: block;
    padding: 0.4rem 0.5rem 0.4rem 1.5rem;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: 4px;
    border-left: 3px solid transparent;
    line-height: 1.3;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.nav-item:hover {
    background: var(--color-surface);
    color: var(--color-accent);
    text-decoration: none;
}
.nav-item.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 450;
    border-left-color: var(--color-primary);
}

.nav-lock { font-size: 0.625rem; margin-left: 0.25rem; opacity: 0.5; }

/* Sidebar divider */
.sidebar-divider { height: 1px; background: var(--color-border); margin: 0.5rem 0.5rem; }

/* Sidebar utility items (tasks, violations) */
.nav-util {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.4rem 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: 4px;
}
.nav-util:hover { background: var(--color-surface); color: var(--color-accent); text-decoration: none; }
.nav-util.active { background: var(--color-primary-light); color: var(--color-primary); font-weight: 450; }
.nav-util-left { display: flex; align-items: center; gap: 0.5rem; }
.nav-badge {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    padding: 0.1rem 0.4rem;
    border-radius: 8px;
    background: var(--color-surface);
    color: var(--color-text-tertiary);
}
.nav-badge-red {
    background: var(--color-violation-bg);
    color: var(--color-red);
}

/* ===== Content area ===== */
.project-content {
    flex: 1;
    padding: 2rem 3rem;
    overflow-y: auto;
    max-width: none;
    min-width: 0;
}
.project-content.board-view {
    max-width: none;
    padding: 1.5rem 2rem;
}
.doc-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.25rem;
}
.doc-header h1 { margin: 0; font-size: 2em; }
.doc-origin-bar {
    height: 2px;
    border-radius: 2px;
    margin-bottom: 1rem;
}
.doc-origin-bar.global { background: var(--color-primary); }
.doc-origin-bar.local { background: var(--color-green); }

/* ===== Pipeline Stepper (Feature 002) ===== */

.pipeline-stages {
    /* Wrapper for the 5 pipeline stages */
}

.pipeline-stage {
    position: relative;
    padding-left: 2.75rem;
    margin-bottom: 0.25rem;
}

.pipeline-step {
    position: absolute;
    left: 0.75rem;
    top: 0.35rem;
    width: 1.375rem;
    height: 1.375rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 600;
    font-family: var(--font-mono);
    z-index: 1;
    transition: background var(--transition);
}

.pipeline-step.has-content {
    background: var(--color-text);
    color: var(--color-bg);
}

.pipeline-step.constitution {
    background: var(--color-blue);
    color: #ffffff;
}

.pipeline-step.empty {
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    color: var(--color-text-tertiary);
}

.pipeline-stage:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 1.375rem;
    top: 1.75rem;
    bottom: -0.25rem;
    width: 1px;
    background: var(--color-border);
}

.pipeline-label {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    padding: 0.35rem 0;
    transition: color var(--transition);
}

.pipeline-stage.has-content .pipeline-label {
    color: var(--color-text-secondary);
}

.pipeline-docs {
    padding-bottom: 0.5rem;
}

.pipeline-docs .nav-item {
    padding-left: 0.5rem;
}

/* ===== Table of Contents (Feature 002) ===== */

.doc-toc {
    width: 220px;
    min-width: 220px;
    padding: 2rem 1rem 2rem 1.5rem;
    position: sticky;
    top: 48px;
    align-self: flex-start;
    max-height: calc(100vh - 48px);
    overflow-y: auto;
}

.doc-toc-title {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: 0.75rem;
    padding-left: 0.75rem;
}

.doc-toc-link {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    text-decoration: none;
    padding: 0.2rem 0 0.2rem 0.75rem;
    border-left: 2px solid var(--color-border-subtle);
    transition: color 0.15s, border-color 0.15s;
    line-height: 1.4;
}

.doc-toc-link:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.doc-toc-link.active {
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    font-weight: 450;
}

.doc-toc-link.h3 {
    padding-left: 1.5rem;
    font-size: 0.6875rem;
}

/* ===== Mermaid diagram containers ===== */
.mermaid { text-align: center; margin: 1rem 0; max-width: 100%; overflow-x: auto; }
.mermaid svg { max-width: 100%; height: auto; }

@media (max-width: 1200px) {
    .doc-toc { display: none; }
}