/* OPAL - US Graphics Style
 * Principles: Dense, functional, no decoration
 * No rounded corners, shadows, or gradients
 */

/* Self-hosted Google Fonts (variable, latin subset). No external requests. */
@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/static/fonts/ibm-plex-sans-latin.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'JetBrains Mono';
    src: url('/static/fonts/jetbrains-mono-latin.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

:root {
    /* Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1e1e1e;
    --border-color: #333;
    --border-light: #444;

    --text-primary: #e0e0e0;
    --text-secondary: #888;
    --text-muted: #7a7a7a; /* AA floor: 4.61:1 on bg-primary at small sizes */

    --accent-blue: #4a9eff;
    --accent-green: #4ade80;
    --accent-yellow: #fbbf24;
    --accent-red: #f87171;
    --accent-orange: #fb923c;

    /* Status colors */
    --status-ok: var(--accent-green);
    --status-warn: var(--accent-yellow);
    --status-error: var(--accent-red);
    --status-info: var(--accent-orange);

    /* Fonts */
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
    --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;

    /* Modal / overlay */
    --modal-backdrop: rgba(0, 0, 0, 0.8);

    /* Diff view tints (accent-color + low opacity) */
    --diff-added-bg: rgba(74, 222, 128, 0.1);
    --diff-removed-bg: rgba(248, 113, 113, 0.1);
    --diff-modified-bg: rgba(251, 191, 36, 0.1);
    --diff-changed-bg: rgba(251, 191, 36, 0.15);

    /* Z-index scale: base 1, sticky 10, dropdown 100, modal 9000, palette 10000 */
    --z-sticky: 10;
    --z-dropdown: 100;
    --z-modal: 9000;
    --z-palette: 10000;
}

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

/* The hidden attribute must win over any class that sets display
   (author display rules override the UA's [hidden] default). */
[hidden] {
    display: none !important;
}

html {
    font-size: 14px;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Text selection */
::selection {
    background: var(--accent-orange);
    color: var(--bg-primary);
}

/* Links - retain color for visibility, no visited distinction */
a {
    color: var(--accent-orange);
    text-decoration: none;
}

/* Links in navigation and UI elements inherit their container's color */
.nav-dropdown-content a,
.header-link,
.brand-link,
.btn,
.stat,
.user-dropdown a,
.breadcrumbs a {
    color: inherit;
}

/* Form element text colors */
::placeholder {
    color: var(--text-muted);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

/* Input cursor color */
input,
textarea,
select {
    caret-color: var(--accent-orange);
}

/* Select dropdown options */
select option {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.header-brand {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    flex: 1;
}

.brand-link {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-orange);
    letter-spacing: 0.1em;
}

.brand-version {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Dev build (running from a git checkout): blue wordmark + version */
.header-brand.dev .brand-link,
.header-brand.dev .brand-version {
    color: var(--accent-blue);
}

.header-nav {
    display: flex;
    gap: var(--space-xs);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex: 1;
    justify-content: flex-end;
}

.header-link {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.header-link:hover {
    color: var(--text-primary);
    border-color: var(--border-light);
}

.header-link.active {
    color: var(--accent-orange);
    border-color: var(--accent-orange);
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid transparent;
}

.nav-link:hover {
    color: var(--text-primary);
    border-color: var(--border-light);
}

.nav-link.active {
    color: var(--accent-orange);
    border-color: var(--accent-orange);
}

.header-user {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.header-user label {
    color: var(--text-secondary);
}

.header-user select {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: var(--space-xs) var(--space-sm);
}

/* Breadcrumbs */
.breadcrumbs {
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.breadcrumb-item::before {
    content: '>';
    margin: 0 var(--space-sm);
}

.breadcrumb-item:first-child::before {
    content: '';
    margin: 0;
}

/* Main */
.main {
    flex: 1;
    padding: var(--space-md);
}

/* Footer */
.footer {
    display: flex;
    justify-content: space-between;
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    position: sticky;
    bottom: 0;
    z-index: var(--z-sticky);
}

.footer-status {
    color: var(--status-ok);
}

.footer-db {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    direction: rtl; /* long paths truncate on the left, keeping the filename visible */
    padding: 0 var(--space-md);
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.data-table th,
.data-table td {
    padding: var(--space-xs) var(--space-sm);
    text-align: left;
    border: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.data-table tr:hover {
    background: var(--bg-secondary);
}

.data-table .mono {
    font-family: var(--font-mono);
}

.data-table .id-cell {
    color: var(--accent-orange);
    font-weight: 600;
}

.data-table .timestamp {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Status badges */
.status {
    display: inline-block;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid currentColor;
}

.status-ok, .status-completed, .status-active {
    color: var(--status-ok);
}

.status-warn, .status-pending, .status-draft {
    color: var(--status-warn);
}

.status-error, .status-aborted, .status-critical {
    color: var(--status-error);
}

.status-info, .status-in-progress {
    color: var(--status-info);
}

/* Status badge variant (alias for .status, used in some templates) */
.status-badge {
    display: inline-block;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid currentColor;
}

.status-badge.status-ok,
.status-badge.status-completed,
.status-badge.status-active {
    color: var(--status-ok);
}

.status-badge.status-warn,
.status-badge.status-pending,
.status-badge.status-draft {
    color: var(--status-warn);
}

.status-badge.status-error,
.status-badge.status-aborted,
.status-badge.status-critical {
    color: var(--status-error);
}

.status-badge.status-info,
.status-badge.status-in-progress {
    color: var(--status-info);
}

.status-badge.status-inactive {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    background: var(--bg-secondary);
    border-color: var(--border-light);
}

.btn-primary {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.btn-primary:hover {
    background: var(--accent-orange);
    color: var(--bg-primary);
}

/* Disabled buttons gray out regardless of variant — the gate must be
   visible, not just functional. */
.btn:disabled,
.btn:disabled:hover {
    border-color: var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
}

.btn-danger {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.btn-danger:hover {
    background: var(--accent-red);
    color: var(--bg-primary);
}

.btn-sm {
    padding: 2px 6px;
    font-size: 0.75rem;
}

/* Forms */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

textarea {
    resize: none;
    overflow: hidden;
    /* Modern browsers auto-grow with content; older browsers fall back to the
       JS autoresize handler in layouts/base.html. */
    field-sizing: content;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-orange);
}

.form-help {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* Toolbar - flex container for filters and actions */
.toolbar {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: var(--space-md);
}

.toolbar-search {
    max-width: 350px;
}

.toolbar-filter {
    max-width: 180px;
}

.toolbar-spacer {
    flex: 1;
}

.toolbar-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

/* Cards/Panels */
.panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    margin-bottom: var(--space-md);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.panel-header-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.panel-body {
    padding: var(--space-md);
}

/* Grid layout */
.grid {
    display: grid;
    gap: var(--space-md);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Command Palette */
.cmd-palette {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-palette);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 20vh;
}

.cmd-palette-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--modal-backdrop);
}

.cmd-palette-dialog {
    position: relative;
    width: 600px;
    max-width: 90vw;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    z-index: 1;
}

.cmd-input {
    width: 100%;
    font-family: var(--font-mono);
    font-size: 1rem;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: none;
    border-bottom: 1px solid var(--border-color);
}

.cmd-input:focus {
    outline: none;
}

.cmd-results {
    max-height: 400px;
    overflow-y: auto;
}

.cmd-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
}

.cmd-item:last-child {
    border-bottom: none;
}

.cmd-item:hover,
.cmd-item.selected {
    background: var(--bg-tertiary);
}

.cmd-type {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 2px 6px;
    border: 1px solid currentColor;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cmd-type-nav {
    color: var(--accent-orange);
}

.cmd-type-action {
    color: var(--accent-green);
}

.cmd-label {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
}

.cmd-empty {
    padding: var(--space-xl);
    text-align: center;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.cmd-group-header {
    padding: var(--space-xs) var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.cmd-sublabel {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: auto;
}

.cmd-status {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 1px 4px;
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
    text-transform: uppercase;
}

.cmd-type-search {
    color: var(--accent-orange);
}

/* Audit detail rows */
.audit-detail-row td {
    border-top: none !important;
}

.audit-detail-row .data-table {
    margin: 0;
}

.audit-row:hover + .audit-detail-row {
    background: var(--bg-secondary);
}

.cmd-footer {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.cmd-footer kbd {
    font-family: var(--font-mono);
    padding: 2px 4px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

/* Utility classes */
.mono { font-family: var(--font-mono); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-blue { color: var(--accent-blue); }
.text-green { color: var(--accent-green); }
.text-yellow { color: var(--accent-yellow); }
.text-red { color: var(--accent-red); }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.p-md { padding: var(--space-md); }

/* Stats/Metrics */
.stat {
    padding: var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-orange);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

/* Loading indicator (shown inline, no spinner) */
.htmx-request {
    opacity: 0.7;
}

.htmx-request::after {
    content: ' [LOADING]';
    font-family: var(--font-mono);
    color: var(--accent-yellow);
}

/* Dropdown components - reusable for nav and user menu */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown-btn {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid transparent;
    padding: var(--space-xs) var(--space-sm);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-dropdown-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-light);
}

.nav-dropdown-btn.active {
    color: var(--accent-orange);
    border-color: var(--accent-orange);
}

.nav-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 160px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    margin-top: 0;
    z-index: 1000;
}

.nav-dropdown:hover .nav-dropdown-content {
    display: block;
}

/* Add padding to prevent gap when moving cursor */
.nav-dropdown-content::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    right: 0;
    height: 2px;
}

.nav-dropdown-content a {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.nav-dropdown-content a:last-child {
    border-bottom: none;
}

.nav-dropdown-content a:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-dropdown-content a.active {
    color: var(--accent-orange);
    background: var(--bg-tertiary);
}

/* Command palette button */
.nav-cmd-btn {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
    padding: var(--space-xs) var(--space-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-cmd-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-light);
}

.cmd-icon {
    font-size: 1rem;
}

/* Project dropdown */
.project-dropdown {
    position: relative;
    display: inline-block;
}

.project-dropdown-btn {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid transparent;
    padding: var(--space-xs) var(--space-sm);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-dropdown-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-light);
}

.project-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 120px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    margin-top: 0;
    z-index: 1000;
}

.project-dropdown-content::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    right: 0;
    height: 2px;
}

.project-dropdown-content a {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.project-dropdown-content a:last-child {
    border-bottom: none;
}

.project-dropdown-content a:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.project-dropdown-content a.active {
    color: var(--accent-orange);
    background: var(--bg-tertiary);
}

/* User dropdown (right-aligned) */
.user-dropdown {
    position: relative;
    display: inline-block;
}

.user-dropdown-btn {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: var(--space-xs) var(--space-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.user-dropdown-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-light);
}

.user-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 280px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    margin-top: 1px;
    z-index: 1000;
}

/* User dropdown header with profile section */
.user-dropdown-header {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.user-profile-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.user-avatar {
    width: 64px;
    height: 64px;
    border: 2px solid var(--border-color);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.user-name-display {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-fullname {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.user-username {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.user-header-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-xs);
}

.icon-btn {
    font-family: var(--font-mono);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--space-xs);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-light);
}

/* User dropdown sections */
.user-dropdown-section {
    padding: var(--space-sm) 0;
}

.user-dropdown-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 0;
}

.user-dropdown-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-md);
    letter-spacing: 0.05em;
}

/* User selection buttons */
.user-select-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    text-align: left;
    padding: var(--space-xs) var(--space-md);
    border: none;
    background: transparent;
    cursor: pointer;
}

.user-select-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.user-select-initial {
    width: 24px;
    height: 24px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

/* Sign out button */
.user-signout-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-red);
    text-decoration: none;
    text-align: left;
    padding: var(--space-sm) var(--space-md);
    border: none;
    background: transparent;
    cursor: pointer;
}

.user-signout-btn:hover {
    background: var(--bg-tertiary);
    color: var(--accent-red);
}

/* Part Search Component */
.part-search-container {
    position: relative;
    width: 100%;
}

.part-search-input {
    width: 100%;
}

.part-search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-top: none;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.part-search-dropdown.active {
    display: block;
}

.part-search-result {
    display: grid;
    grid-template-columns: 50px 100px 1fr;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
}

.part-search-result:last-child {
    border-bottom: none;
}

.part-search-result:hover {
    background: var(--bg-tertiary);
}

.part-search-result.selected {
    background: var(--accent-orange);
    color: var(--bg-primary);
}

.part-search-id {
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.part-search-pn {
    font-family: var(--font-mono);
    color: var(--accent-orange);
}

.part-search-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.part-search-empty {
    padding: var(--space-md);
    color: var(--text-muted);
    text-align: center;
}

.part-search-selected {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    margin-top: var(--space-xs);
}

.part-search-selected .part-id {
    font-family: var(--font-mono);
    color: var(--accent-orange);
}

.part-search-selected .part-name {
    flex: 1;
}

.part-search-clear {
    cursor: pointer;
    color: var(--text-muted);
    padding: var(--space-xs);
}

.part-search-clear:hover {
    color: var(--accent-red);
}

/* OPALkit Modal Component */
.ok-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--modal-backdrop);
    z-index: var(--z-modal);
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
}

.ok-modal.active {
    display: flex;
}

.ok-modal-dialog {
    position: relative;
    max-height: 70vh;
    overflow-y: auto;
}

.ok-modal-sm {
    width: 400px;
    max-width: 90vw;
}

.ok-modal-md {
    width: 600px;
    max-width: 90vw;
}

.ok-modal-lg {
    width: 800px;
    max-width: 90vw;
}

.ok-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.ok-modal-content {
    position: relative;
    z-index: 1;
    width: 500px;
    max-width: 90vw;
}

/* OPALkit Score Component - for risk P/I values */
.score {
    display: inline-block;
    min-width: 24px;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-weight: 600;
    text-align: center;
    border: 1px solid var(--border-color);
}

.score-ok {
    color: var(--status-ok);
    border-color: var(--status-ok);
}

.score-warn {
    color: var(--status-warn);
    border-color: var(--status-warn);
}

.score-error {
    color: var(--status-error);
    border-color: var(--status-error);
}

/* OPALkit Badge Component - for tags/categories */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.badge-info {
    color: var(--accent-orange);
    border-color: var(--accent-orange);
}

.badge-warn {
    color: var(--status-warn);
    border-color: var(--status-warn);
}

.badge-error {
    color: var(--status-error);
    border-color: var(--status-error);
}

/* Utility: ensure text-warn works */
.text-warn {
    color: var(--status-warn);
}

/* Execution Tabs — mirrors .nav-dropdown-btn so the chrome reads as one family.
   On the exec-detail page the strip breaks out of .main padding so it runs
   edge-to-edge; the .main padding-top is also zeroed so the strip hugs the
   breadcrumbs above. */
.exec-tabs {
    display: flex;
    gap: var(--space-xs);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-xs);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

body.exec-detail .main,
body.procedure-detail .main {
    padding-top: 0;
}

body.exec-detail .exec-tabs,
body.procedure-detail .exec-tabs {
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
    padding-left: var(--space-md);
    padding-right: var(--space-md);
    padding-top: var(--space-xs);
}

.exec-tab {
    padding: var(--space-xs) var(--space-sm);
    color: var(--text-secondary);
    text-decoration: none;
    background: transparent;
    border: 1px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.exec-tab:hover {
    color: var(--text-primary);
    border-color: var(--border-light);
}

.exec-tab.active {
    color: var(--accent-orange);
    border-color: var(--accent-orange);
}

.exec-tab.htmx-request::after {
    content: none;
}

.exec-tab-content {
    min-height: 400px;
}

/* Execution-detail page: lock to viewport so each tab scrolls within .exec-tab-content,
   and the Operations exec-layout fills the remaining space naturally. */
body.exec-detail,
body.procedure-detail {
    height: 100vh;
    overflow: hidden;
}

body.exec-detail .main,
body.procedure-detail .main {
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
    padding-bottom: 0;
}

body.exec-detail .exec-tab-content,
body.procedure-detail .exec-tab-content {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

/* Each tab partial wraps in a single <div> for hx-select. Make it transparent for
   layout so its children (panels, or .exec-layout) become direct flex children
   of .exec-tab-content. Operations: .exec-layout flex:1 fills available space.
   Other tabs: panels stack naturally and .exec-tab-content scrolls if they overflow. */
body.exec-detail .exec-tab-content > div,
body.procedure-detail .exec-tab-content > div {
    display: contents;
}

/* Execution Layout — Sidebar + Main (fills available space; columns scroll within) */
.exec-layout {
    display: flex;
    gap: 0;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    flex: 1;
    min-height: 0;
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.exec-sidebar {
    width: 250px;
    flex-shrink: 0;
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
}

.exec-sidebar-header {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.exec-sidebar-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--space-xs) var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    border-left: 3px solid transparent;
    min-width: 0;
}

.exec-sidebar-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.exec-sidebar-item.active {
    background: var(--bg-tertiary);
    color: var(--accent-orange);
    border-left: 3px solid var(--accent-orange);
}

/* Redline / ad-hoc op sidebar treatment */
.exec-redline-banner {
    display: block;
    background: var(--accent-red);
    color: #fff;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    padding: 2px var(--space-sm);
    text-decoration: none;
    text-transform: uppercase;
}
.exec-redline-banner:hover {
    background: var(--accent-red);
    text-decoration: underline;
}
.exec-sidebar-item--redline {
    border-left: 3px solid var(--accent-red);
}

.exec-sidebar-item-title {
    font-family: var(--font-sans);
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.exec-sidebar-item.htmx-request::after {
    content: none;
}

.exec-sidebar-item-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.exec-sidebar-item-gid {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.exec-sidebar-progress {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.exec-sidebar-status {
    width: 8px;
    height: 8px;
    border: 1px solid var(--text-muted);
}

.exec-sidebar-status--completed,
.exec-sidebar-status--signed_off {
    background: var(--accent-green);
    border-color: var(--accent-green);
}

.exec-sidebar-status--in_progress {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
}

.exec-sidebar-status--awaiting_signoff {
    background: var(--accent-yellow);
    border-color: var(--accent-yellow);
}

.exec-sidebar-status--on_hold {
    background: var(--accent-yellow);
    border-color: var(--accent-yellow);
}

.step-hold-banner {
    margin-bottom: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--diff-modified-bg);
    border-left: 3px solid var(--accent-yellow);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
}

.step-hold-banner strong {
    color: var(--accent-yellow);
    letter-spacing: 0.05em;
}

.caution-block {
    margin-bottom: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-left: 3px solid var(--accent-red);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-red);
    letter-spacing: 0.05em;
}

/* Demo-mode banner: full-width, impossible to miss */
.demo-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xs) var(--space-md);
    background: var(--accent-yellow);
    color: #000;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.demo-banner-exit {
    background: #000;
    color: var(--accent-yellow);
    border: 1px solid #000;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    padding: 2px 10px;
    cursor: pointer;
}

/* Flow tab — operation-dependency node graph */
.flow-canvas {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    width: 100%;
    height: 60vh;
    min-height: 400px;
    overflow: auto;
    user-select: none;
}

.flow-node-rect {
    fill: var(--bg-tertiary);
    stroke: var(--border-color);
    stroke-width: 1;
}

.flow-node-rect--contingency {
    stroke: var(--accent-yellow);
    stroke-dasharray: 4 2;
}

.flow-node-number {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    fill: var(--accent-orange);
}

.flow-node-title {
    font-family: var(--font-sans);
    font-size: 13px;
    fill: var(--text-primary);
}

.flow-node-port {
    fill: transparent;
    cursor: crosshair;
}

.flow-node-port-out:hover,
.flow-node-port-in:hover {
    fill: var(--accent-orange);
    fill-opacity: 0.2;
}

.flow-edge {
    stroke: var(--text-secondary);
    stroke-width: 1.5;
    fill: none;
}

.flow-edge-delete {
    opacity: 0;
    transition: opacity 0.1s;
}

.flow-edge-delete:hover {
    opacity: 1;
}

#flow-edges:hover .flow-edge-delete {
    opacity: 1;
}

/* Drag-to-reorder visual feedback for sidebar / sub-step rows */
.drop-indicator-above {
    border-top: 2px solid var(--accent-orange) !important;
}

.drop-indicator-below {
    border-bottom: 2px solid var(--accent-orange) !important;
}

/* Step photo capture (data-capture field type = photo) */
.step-photo-capture {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.step-photo-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.step-photo-gallery:empty {
    display: none;
}

.step-photo-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    align-items: flex-start;
}

.step-photo-thumb {
    max-width: 240px;
    max-height: 240px;
    border: 1px solid var(--border-color);
    display: block;
}

.step-photo-input {
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

/* Markdown image upload — drag-drop target highlight + toolbar */
.md-toolbar {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    margin-bottom: var(--space-xs);
}

textarea.md-image-target.md-drop-target {
    outline: 2px dashed var(--accent-orange);
    outline-offset: -2px;
}

/* Inline images rendered from markdown — keep them readable but not full-bleed. */
.markdown-content img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--border-color);
    margin: var(--space-sm) 0;
}

.exec-sidebar-status--skipped {
    background: var(--text-muted);
    border-color: var(--text-muted);
}

.exec-sidebar-status--pending {
    background: var(--text-muted);
    border-color: var(--text-muted);
    opacity: 0.4;
}

.exec-sidebar-divider {
    border-top: 2px solid var(--border-light);
    margin: var(--space-xs) 0;
}

.exec-main {
    flex: 1;
    min-width: 0;
    overflow-y: auto;
}

/* OP blocks */
.op-block {
    border-bottom: 2px solid var(--border-color);
}

.op-block:last-child {
    border-bottom: none;
}

.op-contingency {
    border-left: 3px solid var(--accent-yellow);
}

.op-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.op-number {
    font-weight: 600;
    color: var(--accent-orange);
}

.op-title {
    font-family: var(--font-sans);
    font-weight: 600;
}

.op-progress {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Collapsible step details */
.step-details {
    border-bottom: 1px solid var(--border-color);
}

.step-details:last-child {
    border-bottom: none;
}

.step-summary {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md) var(--space-xs) var(--space-lg);
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    list-style: none;
    user-select: none;
}

.step-summary::-webkit-details-marker {
    display: none;
}

.step-summary::before {
    content: '>';
    display: inline-block;
    width: 12px;
    color: var(--text-muted);
    transition: transform 0.1s;
}

.step-details[open] > .step-summary::before {
    transform: rotate(90deg);
}

.step-summary:hover {
    background: var(--bg-tertiary);
}

.step-number {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 40px;
}

.step-title {
    font-family: var(--font-sans);
    color: var(--text-primary);
}

.step-detail-body {
    padding: var(--space-md) var(--space-md) var(--space-md) var(--space-xl);
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.step-instructions {
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.step-data-capture {
    margin-bottom: var(--space-md);
    padding: var(--space-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.step-notes {
    margin-bottom: var(--space-md);
}

.step-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

/* Sign-off button */
.btn-signoff {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.btn-signoff:hover {
    background: var(--accent-green);
    color: var(--bg-primary);
}

/* Collaboration styles */
.connection-status {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.connection-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-red);
    display: inline-block;
}

.connection-status.connected .connection-dot {
    background: var(--accent-green);
}

.participants-header {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

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

.participant {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.participant.self {
    color: var(--accent-orange);
}

.participant-avatar {
    width: 24px;
    height: 24px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--bg-tertiary);
}

.participant-name {
    flex: 1;
}

.participant-step {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.btn-join {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.btn-leave {
    border-color: var(--text-muted);
    color: var(--text-muted);
}

/* Light theme — Catppuccin Latte (https://catppuccin.com/palette).
 * Page bg uses Mantle so cards (bg-secondary = Base) read as lighter/elevated,
 * preserving the existing OPAL pattern where cards "rise" out of the page. */
:root[data-theme="light"] {
    --bg-primary: #e6e9ef;   /* Mantle  — page background */
    --bg-secondary: #eff1f5; /* Base    — cards, panels */
    --bg-tertiary: #dce0e8;  /* Crust   — insets, table headers, buttons */
    --border-color: #bcc0cc; /* Surface1 — visible borders */
    --border-light: #ccd0da; /* Surface0 — subtle borders */

    --text-primary: #4c4f69;   /* Text     */
    --text-secondary: #5c5f77; /* Subtext1 */
    --text-muted: #8c8fa1;     /* Overlay1 */

    --accent-blue: #1e66f5;    /* Blue   */
    --accent-green: #40a02b;   /* Green  */
    --accent-yellow: #df8e1d;  /* Yellow */
    --accent-red: #d20f39;     /* Red    */
    --accent-orange: #fe640b;  /* Peach  */

    /* Diff tints retinted for the Latte accents so they still look like
     * the right hue against a light background. */
    --diff-added-bg: rgba(64, 160, 43, 0.12);
    --diff-removed-bg: rgba(210, 15, 57, 0.10);
    --diff-modified-bg: rgba(223, 142, 29, 0.14);
    --diff-changed-bg: rgba(223, 142, 29, 0.20);
}

:root[data-theme="light"] ::selection {
    background: var(--accent-orange);
    color: #fff;
}

/* User menu links (dropdown items for audit, project, theme) */
a.user-menu-link,
button.user-menu-link {
    display: flex;
    align-items: center;
    width: 100%;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    text-align: left;
    padding: var(--space-sm) var(--space-md);
    border: none;
    background: transparent;
    cursor: pointer;
}

a.user-menu-link:hover,
button.user-menu-link:hover,
a.user-menu-link.active {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Theme row inside user dropdown */
.user-menu-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
}

.user-menu-row-label {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.user-menu-select {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: var(--space-xs) var(--space-sm);
    cursor: pointer;
}

/* Diff view styles */
.diff-added {
    background: var(--diff-added-bg);
    border-left: 3px solid var(--accent-green);
}

.diff-removed {
    background: var(--diff-removed-bg);
    border-left: 3px solid var(--accent-red);
}

.diff-modified {
    background: var(--diff-modified-bg);
    border-left: 3px solid var(--accent-yellow);
}

.diff-unchanged {
    opacity: 0.5;
}

.diff-field-changed {
    background: var(--diff-changed-bg);
    padding: 1px 4px;
}

/* ============ Requirements tree + lint underlines ============ */

.req-tree {
    font-size: 0.85rem;
}

.tree-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding-top: 3px;
    padding-bottom: 3px;
    border-bottom: 1px solid var(--bg-tertiary);
    min-width: 0;
}

.tree-row.focused {
    background: var(--bg-tertiary);
    outline: 1px solid var(--border-color);
}

.tree-row.dim {
    opacity: 0.45;
}

.tree-row.filter-hidden {
    display: none;
}

.tree-chevron {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    width: 14px;
    padding: 0;
    flex: none;
    font-size: 0.7rem;
}

.tree-chevron-leaf {
    width: 14px;
    flex: none;
}

.tree-num {
    flex: none;
    width: 90px;
}

.tree-statement {
    flex: 1 1 auto;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
}

.tree-meta {
    flex: none;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-left: auto;
}

.tree-lvl {
    color: var(--text-muted);
    font-size: 0.75rem;
    width: 42px;
    text-align: right;
}

.tree-age {
    color: var(--text-muted);
    font-size: 0.75rem;
    width: 34px;
    text-align: right;
}

.tree-row-expand {
    padding-top: var(--space-xs);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--bg-tertiary);
}

.tree-full-statement {
    white-space: pre-wrap;
    margin-bottom: var(--space-xs);
}

.tree-rationale-preview {
    font-size: 0.8rem;
}

.tree-children.collapsed {
    display: none;
}

.req-tree.filtering .tree-children {
    display: block !important;
}

/* Flag + allocation chips */
.flag-chip {
    /* Same metrics as .status so DRAFT and TBD/TBR chips sit flush. */
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 2px 6px;
    border: 1px solid currentColor;
    white-space: nowrap;
}

.flag-tbd {
    color: var(--accent-red);
    border-color: var(--accent-red);
}

.flag-tbr {
    color: var(--accent-yellow);
    border-color: var(--accent-yellow);
}

.flag-stale {
    color: var(--accent-yellow);
    border-style: dashed;
}

.alloc-chip {
    font-size: 0.65rem;
    padding: 0 4px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    white-space: nowrap;
    max-width: 110px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Ghost rows (inline create) */
.tree-ghost {
    display: none;
    align-items: center;
    gap: var(--space-sm);
    padding-top: 3px;
    padding-bottom: 3px;
}

.tree-children.has-children:not(.collapsed) > .tree-ghost,
.tree-ghost.force {
    display: flex;
}

.req-tree.filtering .tree-ghost {
    display: none !important;
}

.tree-ghost-link {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 0;
}

.tree-ghost-link:hover {
    color: var(--text-primary);
}

.tree-ghost-editor {
    display: flex;
    flex: 1;
    gap: var(--space-sm);
    align-items: center;
}

.tree-ghost-editor .tree-ghost-title {
    flex: 0 0 200px;
}

.tree-ghost-editor .tree-ghost-statement {
    flex: 1;
}

.tree-ghost-hint {
    font-size: 0.7rem;
    white-space: nowrap;
}

/* Lint underlines — block vs warn are distinct in SHAPE, not just color
   (spec §10: "two clearly distinct underline treatments"; color alone
   fails for colorblind readers). Block = wavy red (the editor-error
   convention), warn = dotted yellow (advisory). */
.lint-block {
    text-decoration: underline wavy var(--accent-red) 1.5px;
    text-underline-offset: 3px;
    cursor: help;
}

.lint-warn {
    text-decoration: underline dotted var(--accent-yellow) 1px;
    text-underline-offset: 3px;
    cursor: help;
}

/* Lint editor — overlay above the textarea: transparent text, visible
   underline decorations, pointer events only on the underlined spans. */
.lint-editor {
    position: relative;
}

.lint-textarea,
.lint-overlay {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.lint-overlay {
    position: absolute;
    inset: 0;
    padding: var(--space-sm);
    border: 1px solid transparent;
    color: transparent;
    overflow: hidden;
    pointer-events: none;
    z-index: 2;
}

.lint-overlay .lint-block,
.lint-overlay .lint-warn {
    pointer-events: auto;
}

/* Baseline readiness panel */
.baseline-panel {
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    padding: var(--space-md);
    font-size: 0.85rem;
}

.baseline-panel-title {
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
    font-size: 0.75rem;
}

.baseline-check {
    padding: 1px 0;
}

.baseline-check-box {
    color: var(--accent-green);
}

.baseline-check-fail .baseline-check-box {
    color: var(--accent-red);
}

.baseline-check-warn .baseline-check-box {
    color: var(--accent-yellow);
}

.baseline-check-detail {
    color: var(--text-muted);
    margin-left: var(--space-sm);
}

.baseline-check-fail .baseline-check-detail {
    color: var(--accent-red);
}

.baseline-check-warn .baseline-check-detail {
    color: var(--accent-yellow);
}

.baseline-panel-rule {
    color: var(--text-muted);
    margin: var(--space-sm) 0;
}

.baseline-confirm {
    margin-top: var(--space-md);
    padding: var(--space-md);
    border: 1px solid var(--accent-green);
}

/* Slim signature confirm — one consequence sentence, CONFIRM/ABORT inline,
   no box (issue disposition, risk acceptance). The boxed .baseline-confirm
   register stays with the requirements baseline. */
.sign-confirm {
    margin-top: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.baseline-signature {
    margin-bottom: var(--space-sm);
}

/* Baseline queue review session */
.queue-review {
    font-size: 0.9rem;
}

.queue-header {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
    font-size: 0.85rem;
}

.queue-chain {
    font-size: 0.75rem;
    margin-bottom: var(--space-md);
}

.queue-statement {
    font-size: 1.05rem;
    white-space: pre-wrap;
    max-width: 70ch;
    margin-bottom: var(--space-md);
}

.queue-section {
    margin-bottom: var(--space-md);
}

.queue-section > div {
    max-width: 70ch;
    white-space: pre-wrap;
}

.queue-facts {
    display: flex;
    gap: var(--space-lg);
    font-size: 0.8rem;
    color: var(--text-secondary, inherit);
    margin-bottom: var(--space-md);
}

.queue-keys {
    font-size: 0.75rem;
    border-top: 1px solid var(--border-color);
    padding-top: var(--space-sm);
}

.queue-staged {
    font-size: 0.85rem;
}

/* Revision redlines — strike old / highlight new */
.redline-body {
    white-space: pre-wrap;
    max-width: 80ch;
    font-size: 0.85rem;
}

.redline-del {
    color: var(--accent-red);
    text-decoration: line-through;
    background: transparent;
}

.redline-ins {
    color: var(--accent-green);
    background: var(--bg-tertiary);
    text-decoration: none;
}

/* Draft-parts blocker — inline amber panel on commitment forms (PO line,
   inventory, publish): one row per blocking draft + ACTIVATE & CONTINUE */
.draft-blocker {
    margin-top: var(--space-sm);
    padding: var(--space-sm);
    border: 1px solid var(--status-warn);
    font-size: 0.85rem;
}

.draft-blocker-title {
    color: var(--status-warn);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.draft-blocker-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-sm);
    padding: 2px 0;
}

/* Segmented control — one button per option, exactly one active */
.segmented {
    display: inline-flex;
}

.segmented button {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
}

.segmented button + button {
    border-left: none;
}

.segmented button.active {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
    font-weight: 600;
}

/* Inline disclosure — a line that opens, not a box */
details.disclosure > summary {
    cursor: pointer;
    list-style: none;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-xs) 0;
}

details.disclosure > summary::-webkit-details-marker { display: none; }
details.disclosure[open] > summary { color: var(--text-secondary); }

/* The part page — data renders in tables: detail rows for facts, headed
   tables for collections. An empty section is one line, never a box; a
   populated section promotes to the panel grammar at ledger pitch. */
/* Identity readout table — every meta fact, always rendered */
.part-identity {
    margin: var(--space-md) 0 0;
}

.part-identity th {
    width: 130px;
}

/* Zone captions — two nouns, no boxes, no counts */
.zone-caption {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    border-top: 2px solid var(--border-color);
    padding-top: var(--space-xs);
    margin: var(--space-md) 0 var(--space-sm);
}

/* Two-column part page — identity rail bounded, collection tables get
   the viewport width their columns spend */
.part-layout {
    display: grid;
    grid-template-columns: minmax(420px, 560px) minmax(0, 1fr);
    gap: var(--space-lg);
    align-items: start;
}

@media (max-width: 1000px) {
    .part-layout {
        display: block;
    }
}

/* The empty-state rule — an empty relevant section is one line at half
   strength: "LABEL — none · + ADD". Irrelevant empty sections are absent;
   data always renders. The add affordance never renders muted. */
.empty-line {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 5px 2px;
    border-bottom: 1px solid var(--border-color);
}

@supports (color: color-mix(in srgb, red 50%, transparent)) {
    .empty-line {
        border-bottom-color: color-mix(in srgb, var(--border-color) 50%, transparent);
    }
}

.empty-line .ledger-label {
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ledger-flag {
    color: var(--status-warn);
}

.ledger-add {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 2px 4px;
}

.ledger-add:hover {
    color: var(--text-primary);
}

/* Populated section — the app's panel grammar at ledger pitch */
.panel-ledger {
    margin-bottom: var(--space-md);
}

.panel-ledger .panel-header {
    padding: 4px var(--space-sm);
    font-size: 0.8rem;
}

.panel-ledger .header-count {
    margin-left: auto;
    margin-right: var(--space-sm);
    font-weight: 400;
    color: var(--text-primary);
}

.panel-ledger .header-count:last-child {
    margin-right: 0;
}

.panel-ledger .stock-figure {
    font-size: 1.125rem;
    font-weight: 600;
}

.panel-ledger .data-table {
    font-size: 0.8rem;
}

.panel-ledger .data-table th,
.panel-ledger .data-table td {
    padding: 5px 8px;
}

.panel-ledger .data-table .row-actions {
    white-space: nowrap;
    text-align: right;
}

.panel-ledger .data-table .row-actions a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 2px 6px;
}

.panel-ledger .data-table .row-actions a:hover {
    color: var(--text-primary);
}

.panel-ledger .data-table .row-actions a.act-remove:hover {
    color: var(--accent-red);
}

.panel-ledger .bom-tree {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: var(--space-xs) var(--space-sm);
    border-top: 1px solid var(--border-color);
}

/* Inline add rows (assign requirement, receive stock) */
.inline-add-row {
    display: none;
    gap: var(--space-sm);
    align-items: center;
    padding: var(--space-xs) 2px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

/* Parts list — one line per row, pitch matched to the part-page ledger.
   Accent color budget: PN only; names render primary. */
.parts-list td,
.parts-list th {
    padding: 5px 8px;
    white-space: nowrap;
}

/* Accent color budget, globally: identifiers and actions only — row content
   links render primary. */
.row-link-plain {
    color: var(--text-primary);
    text-decoration: none;
}

.row-link-plain:hover {
    text-decoration: underline;
}

/* One-line index rows: content cells clip, never wrap. */
.data-table td.cell-clip {
    max-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Risk module — severity-colored scores, statement masthead, residual markers */
.sev-low { color: var(--status-ok); }
.sev-medium { color: var(--status-warn); }
.sev-high { color: var(--status-error); }

.risk-statement {
    font-size: 1.05rem;
    max-width: 80ch;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-left: 3px solid var(--accent-green);
    margin-bottom: var(--space-md);
}

.risk-statement-incomplete {
    border-left-color: var(--accent-yellow);
    color: var(--text-muted);
}

.matrix-residual {
    display: inline-block;
    font-size: 0.7rem;
    line-height: 1.2;
    border: 1px solid var(--bg-primary);
    padding: 0 3px;
    margin-left: 3px;
    vertical-align: middle;
}

.disposition-target {
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    padding: var(--space-md);
    font-size: 0.85rem;
}