phd-report / assets /css /theme.css
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/* ============================================================
Design tokens
============================================================ */
:root {
--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
--font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
--accent: #4f46e5;
--accent-contrast: #ffffff;
--accent-soft: #eef2ff;
--step-1: #2563eb;
--step-2: #0f766e;
--step-3: #c2410c;
--step-4: #7c3aed;
--step-ink: #ffffff;
/* Description levels (Theoretical framework page): pigment tones, one per kind
of information, so a level keeps its colour across every framework. */
--lvl-form: #3e5a7a;
--lvl-generic: #5a7a4e;
--lvl-specific: #a0731c;
--lvl-abstract: #9e3b3b;
--lvl-catalogue: #6e5a48;
--bg: #ffffff;
--bg-raised: #ffffff;
--bg-sunken: #f8f9fb;
--border: #e5e7eb;
--border-strong: #d1d5db;
--text: #111827;
--text-muted: #6b7280;
--text-faint: #9ca3af;
--shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
--shadow-md: 0 4px 16px rgba(16, 24, 40, 0.08);
--radius-sm: 8px;
--radius-md: 12px;
--radius-lg: 16px;
--topbar-h: 60px;
--sidebar-w: 272px;
--sidebar-w-narrow: 200px;
--toc-w: 220px;
--content-max: 760px;
}
@media (prefers-color-scheme: dark) {
:root:not([data-theme="light"]) {
--accent: #818cf8;
--accent-contrast: #111827;
--accent-soft: rgba(129, 140, 248, 0.14);
--step-1: #60a5fa;
--step-2: #2dd4bf;
--step-3: #fb923c;
--step-4: #a78bfa;
--step-ink: #0f1115;
--lvl-form: #93acc9;
--lvl-generic: #9dbb8e;
--lvl-specific: #d8ae5e;
--lvl-abstract: #d98b84;
--lvl-catalogue: #b8a48f;
--bg: #0f1115;
--bg-raised: #15171d;
--bg-sunken: #0b0c10;
--border: #262932;
--border-strong: #343842;
--text: #e5e7eb;
--text-muted: #9aa0ab;
--text-faint: #6b7280;
--shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
--shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
}
}
:root[data-theme="dark"] {
--accent: #818cf8;
--accent-contrast: #111827;
--accent-soft: rgba(129, 140, 248, 0.14);
--step-1: #60a5fa;
--step-2: #2dd4bf;
--step-3: #fb923c;
--step-4: #a78bfa;
--step-ink: #0f1115;
--lvl-form: #93acc9;
--lvl-generic: #9dbb8e;
--lvl-specific: #d8ae5e;
--lvl-abstract: #d98b84;
--lvl-catalogue: #b8a48f;
--bg: #0f1115;
--bg-raised: #15171d;
--bg-sunken: #0b0c10;
--border: #262932;
--border-strong: #343842;
--text: #e5e7eb;
--text-muted: #9aa0ab;
--text-faint: #6b7280;
--shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
--shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
}
/* ============================================================
Reset & base
============================================================ */
* {
box-sizing: border-box;
}
html,
body {
height: 100%;
}
body {
margin: 0;
background: var(--bg);
color: var(--text);
font-family: var(--font-sans);
font-size: 15px;
line-height: 1.6;
-webkit-font-smoothing: antialiased;
overflow-wrap: break-word; /* long words (e.g. headings) wrap instead of overflowing narrow columns */
}
a {
color: inherit;
text-decoration: none;
}
button {
font: inherit;
color: inherit;
background: none;
border: none;
cursor: pointer;
}
kbd {
font-family: var(--font-mono);
font-size: 11px;
border: 1px solid var(--border-strong);
border-bottom-width: 2px;
border-radius: 4px;
padding: 1px 5px;
color: var(--text-muted);
background: var(--bg-sunken);
}
/* ============================================================
Topbar
============================================================ */
.topbar {
position: sticky;
top: 0;
z-index: 40;
height: var(--topbar-h);
display: flex;
align-items: center;
gap: 12px;
padding: 0 16px;
background: var(--bg-raised);
border-bottom: 1px solid var(--border);
}
.brand {
display: flex;
align-items: center;
gap: 10px;
flex-shrink: 1;
min-width: 0;
}
.brand-mark {
width: 28px;
height: 28px;
border-radius: 8px;
background: linear-gradient(135deg, var(--accent), var(--accent) 60%, transparent);
background-color: var(--accent);
flex-shrink: 0;
}
.brand-text {
display: flex;
flex-direction: column;
line-height: 1.2;
min-width: 0;
}
.brand-text strong,
.brand-text small {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.brand-text strong {
font-size: 14px;
font-weight: 600;
}
.brand-text small {
font-size: 11.5px;
color: var(--text-muted);
}
@media (max-width: 640px) {
.brand-text small {
display: none;
}
}
.search-trigger {
flex: 1;
min-width: 0;
max-width: 420px;
display: flex;
align-items: center;
gap: 8px;
margin-left: auto;
padding: 8px 12px;
border: 1px solid var(--border);
border-radius: var(--radius-sm);
background: var(--bg-sunken);
color: var(--text-muted);
font-size: 13.5px;
}
.search-trigger:hover {
border-color: var(--border-strong);
}
.search-label {
flex: 1;
text-align: left;
}
.icon-btn {
width: 34px;
height: 34px;
display: grid;
place-items: center;
border-radius: var(--radius-sm);
flex-shrink: 0;
}
.icon-btn:hover {
background: var(--bg-sunken);
}
/* Minimal inline icon glyphs (no external icon dependency for chrome UI) */
.search-icon::before {
content: "";
display: block;
width: 15px;
height: 15px;
border: 2px solid currentColor;
border-radius: 50%;
position: relative;
}
.search-icon::after {
content: "";
position: absolute;
}
#theme-btn::before {
content: "◐";
font-size: 16px;
}
/* ============================================================
Layout
============================================================ */
.layout {
display: grid;
grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
}
@media (max-width: 1200px) {
.layout {
grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
}
.toc {
display: none;
}
}
@media (max-width: 860px) {
.layout {
grid-template-columns: var(--sidebar-w-narrow) minmax(0, 1fr);
}
.search-label {
display: none;
}
.search-trigger kbd {
display: none;
}
}
/* ============================================================
Sidebar
============================================================ */
.sidebar {
background: var(--bg-sunken);
border-right: 1px solid var(--border);
height: calc(100vh - var(--topbar-h));
position: sticky;
top: var(--topbar-h);
overflow-y: auto;
}
.sidebar-inner {
padding: 20px 12px 40px;
}
@media (max-width: 860px) {
.sidebar-inner {
padding: 16px 8px 32px;
}
.nav-link {
font-size: 13px;
padding: 7px 8px;
}
}
.nav-group {
margin-bottom: 4px;
}
.nav-group-label {
display: block;
font-size: 11px;
font-weight: 600;
letter-spacing: 0.05em;
text-transform: uppercase;
color: var(--text-faint);
padding: 14px 10px 6px;
}
.nav-link {
display: flex;
align-items: center;
gap: 8px;
padding: 7px 10px;
border-radius: var(--radius-sm);
font-size: 13.5px;
color: var(--text-muted);
line-height: 1.4;
}
.nav-link:hover {
background: var(--bg-raised);
color: var(--text);
}
.nav-link.active {
background: var(--accent-soft);
color: var(--accent);
font-weight: 600;
}
a.nav-group-label {
border-radius: var(--radius-sm);
}
a.nav-group-label:hover,
a.nav-group-label.active {
color: var(--accent);
}
.step-badge {
flex-shrink: 0;
min-width: 20px;
height: 20px;
padding: 0 5px;
border-radius: 999px;
display: grid;
place-items: center;
font-size: 11px;
font-weight: 700;
line-height: 1;
color: var(--accent-contrast);
background: var(--step-color, var(--text-faint));
}
.step-1 { --step-color: var(--accent); }
.step-2 { --step-color: var(--accent); }
.step-3 { --step-color: var(--accent); }
.step-4 { --step-color: var(--accent); }
.nav-children {
margin-left: 14px;
padding-left: 10px;
border-left: 1px solid var(--border);
}
.nav-toggle {
width: 16px;
height: 16px;
flex-shrink: 0;
display: grid;
place-items: center;
color: var(--text-faint);
transition: transform 0.15s ease;
}
.nav-toggle.collapsed {
transform: rotate(-90deg);
}
.nav-children.collapsed {
display: none;
}
/* ============================================================
Main
============================================================ */
.main {
min-width: 0;
padding: 28px 40px 80px;
}
@media (max-width: 600px) {
.main {
padding: 20px 16px 60px;
}
}
.breadcrumbs {
display: flex;
flex-wrap: wrap;
align-items: center;
gap: 6px;
font-size: 12.5px;
color: var(--text-muted);
margin-bottom: 18px;
}
.breadcrumbs a:hover {
color: var(--text);
}
.breadcrumbs .sep {
color: var(--text-faint);
}
.breadcrumbs .current {
color: var(--text);
}
.page-head {
max-width: var(--content-max);
margin-bottom: 24px;
}
.page-head .step-label {
display: inline-block;
font-size: 12px;
font-weight: 600;
color: var(--step-color, var(--accent));
background: color-mix(in srgb, var(--step-color, var(--accent)) 14%, transparent);
padding: 3px 9px;
border-radius: 999px;
margin-bottom: 10px;
}
.page-head h1 {
margin: 0 0 8px;
font-size: 28px;
letter-spacing: -0.01em;
}
.page-head .summary {
margin: 0;
color: var(--text-muted);
font-size: 15px;
}
.page-head .chips {
display: flex;
gap: 8px;
margin-top: 12px;
}
.chip {
font-size: 11.5px;
font-weight: 600;
padding: 3px 9px;
border-radius: 999px;
border: 1px solid var(--border);
color: var(--text-muted);
}
.content {
max-width: var(--content-max);
overflow-x: auto; /* wide elements (e.g. tables) scroll here instead of the whole page */
}
/* ============================================================
Section card grid (overview pages)
============================================================ */
.children {
max-width: var(--content-max);
margin-top: 8px;
}
.card-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr));
gap: 14px;
margin-top: 16px;
}
.card {
display: block;
padding: 16px;
border: 1px solid var(--border);
border-radius: var(--radius-md);
background: var(--bg-raised);
transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}
.card:hover {
border-color: var(--border-strong);
box-shadow: var(--shadow-sm);
transform: translateY(-1px);
}
.card-icon {
width: 32px;
height: 32px;
display: grid;
place-items: center;
border-radius: 8px;
background: var(--accent-soft);
color: var(--accent);
margin-bottom: 10px;
font-size: 15px;
}
.card h3 {
margin: 0 0 4px;
font-size: 14.5px;
}
.card p {
margin: 0;
font-size: 13px;
color: var(--text-muted);
}
/* Stepper for Part II overview */
.stepper {
display: flex;
flex-direction: column;
gap: 0;
margin-top: 20px;
max-width: var(--content-max);
}
.step {
display: flex;
gap: 14px;
padding: 14px 0;
border-bottom: 1px solid var(--border);
}
.step:last-child {
border-bottom: none;
}
.step-index {
flex-shrink: 0;
min-width: 28px;
height: 28px;
padding: 0 6px;
border-radius: 999px;
display: grid;
place-items: center;
font-size: 12.5px;
font-weight: 600;
background: var(--bg-sunken);
border: 1px solid var(--border);
color: var(--text-muted);
}
.step-index[class*="step-"] {
background: var(--step-color);
border-color: var(--step-color);
color: var(--accent-contrast);
}
.step-body {
min-width: 0;
}
.step-body h3 {
margin: 0 0 2px;
font-size: 14.5px;
}
.step-body p {
margin: 0;
font-size: 13px;
color: var(--text-muted);
}
.step-body a {
color: var(--accent);
font-weight: 600;
font-size: 13px;
}
/* ============================================================
Pager (prev/next)
============================================================ */
.pager {
display: flex;
justify-content: space-between;
gap: 16px;
margin-top: 40px;
max-width: var(--content-max);
}
.pager-link {
flex: 1;
min-width: 0;
max-width: 48%;
padding: 14px 16px;
border: 1px solid var(--border);
border-radius: var(--radius-md);
}
.pager-link:hover {
border-color: var(--border-strong);
background: var(--bg-sunken);
}
.pager-link.next {
text-align: right;
margin-left: auto;
}
.pager-direction {
display: block;
font-size: 11.5px;
color: var(--text-faint);
margin-bottom: 2px;
}
.pager-title {
font-size: 13.5px;
font-weight: 600;
overflow-wrap: break-word;
}
/* ============================================================
Table of contents (right rail)
============================================================ */
.toc {
padding: 28px 20px;
position: sticky;
top: var(--topbar-h);
height: calc(100vh - var(--topbar-h));
overflow-y: auto;
font-size: 12.5px;
}
.toc-label {
font-size: 11px;
font-weight: 600;
letter-spacing: 0.05em;
text-transform: uppercase;
color: var(--text-faint);
margin-bottom: 10px;
}
.toc ul {
list-style: none;
margin: 0;
padding: 0;
border-left: 1px solid var(--border);
}
.toc li a {
display: block;
padding: 5px 0 5px 14px;
color: var(--text-muted);
border-left: 2px solid transparent;
margin-left: -1px;
}
.toc li.toc-h3 a {
padding-left: 24px;
}
.toc li a:hover {
color: var(--text);
}
.toc li a.active {
color: var(--accent);
border-left-color: var(--accent);
font-weight: 600;
}
/* ============================================================
Search dialog
============================================================ */
.search-dialog {
position: fixed;
inset: 0;
z-index: 100;
background: rgba(15, 17, 21, 0.35);
display: flex;
align-items: flex-start;
justify-content: center;
padding-top: 12vh;
}
.search-dialog[hidden] {
display: none;
}
.search-panel {
width: min(560px, 90vw);
max-height: 70vh;
display: flex;
flex-direction: column;
background: var(--bg-raised);
border: 1px solid var(--border);
border-radius: var(--radius-lg);
box-shadow: var(--shadow-md);
overflow: hidden;
}
.search-field {
display: flex;
align-items: center;
gap: 10px;
padding: 14px 16px;
border-bottom: 1px solid var(--border);
}
.search-field input {
flex: 1;
border: none;
outline: none;
background: none;
color: var(--text);
font: inherit;
font-size: 15px;
}
.search-results {
list-style: none;
margin: 0;
padding: 8px;
overflow-y: auto;
}
.search-results li a {
display: block;
padding: 10px 12px;
border-radius: var(--radius-sm);
}
.search-results li a:hover,
.search-results li a.active {
background: var(--bg-sunken);
}
.search-result-title {
font-size: 13.5px;
font-weight: 600;
}
.search-result-path {
font-size: 11.5px;
color: var(--text-faint);
}
.search-result-excerpt {
font-size: 12.5px;
color: var(--text-muted);
margin-top: 2px;
}
.search-empty {
padding: 24px 16px;
text-align: center;
color: var(--text-muted);
font-size: 13.5px;
}
/* ============================================================
Not found
============================================================ */
.not-found {
max-width: var(--content-max);
padding: 40px 0;
}
.not-found a {
color: var(--accent);
font-weight: 600;
}
/* ============================================================
Footer
============================================================ */
.site-footer {
border-top: 1px solid var(--border);
background: var(--bg-sunken);
}
.footer-inner {
max-width: 1440px;
margin: 0 auto;
padding: 18px 40px;
display: flex;
align-items: center;
gap: 20px;
font-size: 12.5px;
color: var(--text-muted);
}
.footer-title {
font-weight: 600;
color: var(--text);
}
.footer-links {
display: flex;
gap: 16px;
margin-right: auto;
}
.footer-links a:hover,
.footer-top:hover {
color: var(--text);
}
.footer-top {
flex-shrink: 0;
}
@media (max-width: 600px) {
.footer-inner {
padding: 16px;
flex-wrap: wrap;
}
.footer-links {
order: 3;
width: 100%;
margin-right: 0;
}
}