/* alaidi.net — a lecturer's course binder.
Warm paper, ink, oxblood rules, an amber tab on anything you can take away.
One stylesheet, no framework. */
/* Fonts load from a in each page's . Importing them here instead
would serialise HTML -> CSS -> font CSS -> font files and block render. */
/* ---------- palette: light is the bare :root ---------- */
:root {
--paper: #f5f2ec;
--surface: #fffefb;
--ink: #1c1917;
--muted: #6f6559;
--rule: #e0d9cc;
--rule-strong: #cdc2ae;
--accent: #9c3524;
--accent-soft: #f7eae5;
--mark: #e8a317;
--on-mark: #1c1917; /* amber stays amber in both themes, so this never flips */
--shadow: 0 1px 2px rgba(43, 32, 20, .05), 0 4px 12px -4px rgba(43, 32, 20, .10);
--shadow-lift: 0 2px 4px rgba(43, 32, 20, .06), 0 12px 28px -8px rgba(43, 32, 20, .18);
--serif: "Source Serif 4", Iowan Old Style, Palatino, Georgia, serif;
--sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif;
--step: .25rem;
--ease: cubic-bezier(.2, .7, .3, 1);
color-scheme: light;
}
/* dark: follow the OS, unless the visitor explicitly chose light */
@media (prefers-color-scheme: dark) {
:root:not([data-theme="light"]) {
--paper: #16140f;
--surface: #211e18;
--ink: #f0ebe2;
--muted: #a89d8d;
--rule: #35302a;
--rule-strong: #4a433a;
--accent: #e8917a;
--accent-soft: #2e211c;
--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 12px -4px rgba(0, 0, 0, .5);
--shadow-lift: 0 2px 4px rgba(0, 0, 0, .45), 0 12px 28px -8px rgba(0, 0, 0, .6);
color-scheme: dark;
}
}
/* dark: an explicit choice wins in both directions */
:root[data-theme="dark"] {
--paper: #16140f;
--surface: #211e18;
--ink: #f0ebe2;
--muted: #a89d8d;
--rule: #35302a;
--rule-strong: #4a433a;
--accent: #e8917a;
--accent-soft: #2e211c;
--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 12px -4px rgba(0, 0, 0, .5);
--shadow-lift: 0 2px 4px rgba(0, 0, 0, .45), 0 12px 28px -8px rgba(0, 0, 0, .6);
color-scheme: dark;
}
/* ---------- base ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
margin: 0;
min-height: 100vh;
display: flex;
flex-direction: column;
background: var(--paper);
color: var(--ink);
font-family: var(--sans);
font-size: 1rem;
line-height: 1.65;
-webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }
img { max-width: 100%; height: auto; }
/* the surfaces we did not draw still belong to the design */
::selection { background: var(--mark); color: var(--on-mark); }
:root { caret-color: var(--accent); scrollbar-color: var(--rule-strong) transparent; }
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
background: var(--rule-strong);
border: 3px solid var(--paper);
border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover { background: var(--muted); }
:focus-visible {
outline: 2px solid var(--accent);
outline-offset: 2px;
border-radius: 3px;
}
.wrap { width: 100%; max-width: 68rem; margin: 0 auto; padding-inline: clamp(1rem, 4vw, 2rem); }
/* ---------- header ---------- */
.site-header {
position: sticky; top: 0; z-index: 20;
background: color-mix(in srgb, var(--surface) 88%, transparent);
-webkit-backdrop-filter: saturate(1.4) blur(10px);
backdrop-filter: saturate(1.4) blur(10px);
border-bottom: 1px solid var(--rule);
}
.site-header .wrap {
display: flex; align-items: center; gap: .5rem;
min-height: 4rem;
}
.brand {
display: inline-flex; align-items: center; gap: .625rem;
color: var(--ink);
font-family: var(--serif);
font-size: 1.3rem; font-weight: 600; letter-spacing: -.015em;
}
.brand:hover { text-decoration: none; color: var(--accent); }
.brand img { width: 1.75rem; height: 1.75rem; border-radius: 5px; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: .125rem; }
.site-nav a {
position: relative;
padding: .5rem .75rem;
color: var(--muted);
font-size: .9375rem; font-weight: 500;
border-radius: 7px;
}
.site-nav a:hover { color: var(--ink); background: var(--accent-soft); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--ink); }
/* the current page is marked by a rule, not a pill — quieter, and it reads as a tab */
.site-nav a[aria-current="page"]::after {
content: "";
position: absolute; left: .75rem; right: .75rem; bottom: -.0625rem;
height: 2px; background: var(--accent);
}
/* ---------- page shell ---------- */
main { flex: 1; padding-block: clamp(2rem, 6vw, 3.5rem) 4rem; }
.page-title {
margin: 0;
font-family: var(--serif);
font-size: clamp(2rem, 1.3rem + 3.2vw, 3.25rem);
font-weight: 700;
line-height: 1.08;
letter-spacing: -.025em;
text-wrap: balance;
}
.page-sub {
margin: .625rem 0 0;
color: var(--muted);
font-size: 1rem;
}
/* home: title block sits left, switch to its right — no centred-everything default */
.page-head {
display: flex; align-items: flex-end; justify-content: space-between;
flex-wrap: wrap; gap: 1.25rem;
padding-bottom: 1.5rem;
margin-bottom: 2.5rem;
border-bottom: 1px solid var(--rule);
}
/* ---------- breadcrumb ---------- */
.breadcrumb {
margin: 0 0 1.25rem;
color: var(--muted);
font-size: .875rem;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb [aria-current] { color: var(--ink); }
.breadcrumb .sep { padding-inline: .4rem; color: var(--rule-strong); }
/* ---------- course index ---------- */
.term { margin-bottom: 3.5rem; scroll-margin-top: 5.5rem; }
.term:last-of-type { margin-bottom: 0; }
/* term label reads as a binder tab: small, tracked, ruled across */
.term > h2 {
display: flex; align-items: center; gap: 1rem;
margin: 0 0 1.5rem;
font-family: var(--sans);
font-size: .8125rem; font-weight: 600;
letter-spacing: .09em; text-transform: uppercase;
color: var(--muted);
}
.term > h2::after {
content: ""; flex: 1; height: 1px; background: var(--rule);
}
.grid {
display: grid; gap: 1.5rem;
grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
}
.card {
background: var(--surface);
border: 1px solid var(--rule);
border-radius: 14px;
overflow: hidden;
transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}
.card:hover {
border-color: var(--rule-strong);
box-shadow: var(--shadow-lift);
transform: translateY(-3px);
}
.card a { display: block; color: inherit; }
.card a:hover { text-decoration: none; }
.card figure { margin: 0; overflow: hidden; background: var(--accent-soft); }
.card img {
display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover;
transition: transform .5s var(--ease);
}
.card:hover img { transform: scale(1.04); }
.card-body { padding: 1rem 1.125rem 1.125rem; }
.card h3 {
margin: 0;
font-family: var(--serif);
font-size: 1.1875rem; font-weight: 600; line-height: 1.25;
letter-spacing: -.01em;
text-wrap: balance;
}
.card:hover h3 { color: var(--accent); }
/* the count is the reason to click, so it is typeset, not decorated */
.count {
display: inline-block; /* a block h3 already breaks the line in a card; inline lets
the course page read "12 files to download" on one line */
margin-top: .5rem;
color: var(--muted);
font-size: .8125rem;
font-variant-numeric: tabular-nums;
}
.count b { font-weight: 600; color: var(--ink); }
.count.none { font-style: italic; }
/* ---------- cards / table switch ---------- */
.view-switch {
display: flex; gap: 2px; flex-shrink: 0;
padding: 3px;
background: var(--surface);
border: 1px solid var(--rule);
border-radius: 10px;
}
.view-switch button {
display: inline-flex; align-items: center; gap: .4375rem;
padding: .4375rem .75rem;
border: 0; border-radius: 7px;
background: none; color: var(--muted);
font: inherit; font-size: .8125rem; font-weight: 500;
cursor: pointer;
transition: color .15s var(--ease), background-color .15s var(--ease);
}
.view-switch button svg { width: .875rem; height: .875rem; fill: currentColor; }
.view-switch button:hover { color: var(--ink); }
.view-switch button[aria-pressed="true"] {
background: var(--accent-soft); color: var(--accent);
}
/* table view: the same markup, laid out as a ledger */
:root[data-view="table"] .grid {
display: block;
background: var(--surface);
border: 1px solid var(--rule);
border-radius: 12px;
overflow: hidden;
}
:root[data-view="table"] .card {
background: none; border: 0; border-radius: 0; box-shadow: none; transform: none;
border-bottom: 1px solid var(--rule);
}
:root[data-view="table"] .card:last-child { border-bottom: 0; }
:root[data-view="table"] .card:hover { background: var(--accent-soft); box-shadow: none; transform: none; }
:root[data-view="table"] .card a {
display: flex; align-items: center; gap: .875rem;
padding: .625rem .875rem;
}
:root[data-view="table"] .card figure { flex-shrink: 0; border-radius: 6px; }
:root[data-view="table"] .card img { width: 3.25rem; aspect-ratio: 3 / 2; }
:root[data-view="table"] .card:hover img { transform: none; }
:root[data-view="table"] .card-body {
display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
flex: 1; min-width: 0; padding: 0;
}
:root[data-view="table"] .card h3 { font-size: 1rem; font-weight: 500; }
:root[data-view="table"] .count { margin: 0; flex-shrink: 0; text-align: right; }
/* ---------- article ---------- */
.prose {
max-width: 72ch;
background: var(--surface);
border: 1px solid var(--rule);
border-radius: 14px;
padding: clamp(1.5rem, 4vw, 2.5rem);
}
.prose.wide { max-width: none; }
/* a wide article is for the tables; its running text keeps a reading measure */
.prose.wide > p,
.prose.wide > ul,
.prose.wide > ol,
.prose.wide > blockquote { max-width: 68ch; }
.prose > :first-child { margin-top: 0; }
.prose > :last-child { margin-bottom: 0; }
.prose h2 {
margin: 2.75rem 0 1rem;
font-family: var(--serif);
font-size: 1.5rem; font-weight: 600; line-height: 1.2;
letter-spacing: -.015em;
}
.prose h3 { margin: 2rem 0 .625rem; font-size: 1.0625rem; font-weight: 600; }
.prose p { margin: 0 0 1rem; }
.prose ul, .prose ol { margin: 0 0 1rem; padding-left: 1.25rem; }
.prose li { margin-bottom: .375rem; }
.prose li::marker { color: var(--rule-strong); }
/* a textbook is a citation, so it is set like one */
.prose blockquote {
margin: 0 0 .75rem;
padding: .75rem 0 .75rem 1.125rem;
border-left: 1px solid var(--rule-strong);
color: var(--muted);
font-family: var(--serif);
font-size: 1.0625rem; line-height: 1.5;
}
.prose blockquote p { margin: 0; }
.prose hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }
/* ---------- syllabus tables ---------- */
.table-scroll {
margin: 0 0 1.25rem;
border: 1px solid var(--rule);
border-radius: 10px;
overflow-x: auto;
-webkit-overflow-scrolling: touch;
overscroll-behavior-x: contain;
/* the two `local` layers ride with the content and uncover the two `scroll`
shadows only while there is more table in that direction */
background:
linear-gradient(to right, var(--surface) 40%, transparent) left / 2.5rem 100% no-repeat local,
linear-gradient(to left, var(--surface) 40%, transparent) right / 2.5rem 100% no-repeat local,
radial-gradient(farthest-side at 0 50%, rgba(28,25,23,.16), transparent) left / .875rem 100% no-repeat scroll,
radial-gradient(farthest-side at 100% 50%, rgba(28,25,23,.16), transparent) right / .875rem 100% no-repeat scroll;
}
.prose table {
width: 100%; min-width: 40rem;
border-collapse: collapse;
font-size: .9375rem;
font-variant-numeric: tabular-nums;
}
.prose thead th {
padding: .75rem .875rem;
background: var(--paper);
border-bottom: 1px solid var(--rule-strong);
color: var(--muted);
text-align: left;
font-size: .75rem; font-weight: 600;
letter-spacing: .07em; text-transform: uppercase;
white-space: nowrap;
}
.prose td {
padding: .8125rem .875rem;
border-bottom: 1px solid var(--rule);
vertical-align: top;
line-height: 1.55;
}
.prose tbody tr:last-child td { border-bottom: 0; }
.prose tbody tr:hover { background: color-mix(in srgb, var(--accent-soft) 55%, transparent); }
/* week number: the reader's anchor down a 16-row table */
.prose td:first-child, .prose th:first-child {
width: 1%; white-space: nowrap;
color: var(--muted);
font-weight: 600; font-size: .875rem;
}
.prose td:nth-child(2) { white-space: nowrap; color: var(--muted); font-size: .875rem; }
.prose strong { font-weight: 600; }
/* ---------- downloads ---------- */
/* one drawn glyph, defined once, tinted by currentColor via mask */
.dl {
display: inline-flex; align-items: center; gap: .375rem;
margin: .125rem .25rem .125rem 0;
padding: .1875rem .5rem .1875rem .4375rem;
border: 1px solid color-mix(in srgb, var(--mark) 55%, transparent);
border-radius: 6px;
background: color-mix(in srgb, var(--mark) 15%, transparent);
color: var(--ink);
font-size: .8125rem; font-weight: 500; line-height: 1.4;
transition: background-color .15s var(--ease), border-color .15s var(--ease);
}
.dl::before {
content: "";
width: .75rem; height: .75rem; flex-shrink: 0;
background: currentColor;
-webkit-mask: var(--icon-dl) center / contain no-repeat;
mask: var(--icon-dl) center / contain no-repeat;
}
:root {
--icon-dl: url('data:image/svg+xml;utf8,');
}
.dl:hover {
background: var(--mark); color: var(--on-mark);
border-color: var(--mark);
text-decoration: none;
}
/* a file the old site already lost — say so, don't pretend it is a link */
.dead {
color: var(--muted);
text-decoration: line-through;
text-decoration-thickness: 1px;
cursor: not-allowed;
}
/* ---------- about ---------- */
.bio { display: flex; gap: 2rem; flex-wrap: wrap; align-items: flex-start; }
.bio img { width: 13.5rem; border-radius: 12px; flex-shrink: 0; }
.bio-body { flex: 1 1 20rem; min-width: 0; max-width: 68ch; }
.bio-name {
margin: .25rem 0 1rem;
font-family: var(--serif);
font-size: 1.875rem; font-weight: 700; line-height: 1.15; letter-spacing: -.02em;
}
.eyebrow {
color: var(--accent);
font-size: .75rem; font-weight: 600;
letter-spacing: .09em; text-transform: uppercase;
}
.pub {
padding: 1rem 0;
border-bottom: 1px solid var(--rule);
}
.pub:last-of-type { border-bottom: 0; }
.pub h3 {
margin: 0 0 .375rem;
font-family: var(--serif);
font-size: 1.0625rem; font-weight: 600; line-height: 1.35;
}
.pub p { margin: 0; color: var(--muted); font-size: .875rem; }
.pub, .timeline { max-width: 68ch; }
.pub .authors { color: var(--ink); font-weight: 600; }
/* career: a ruled timeline, the dot sitting on the rule */
.timeline { margin: 0; padding: 0 0 0 1.5rem; list-style: none; border-left: 1px solid var(--rule); }
.timeline li { position: relative; padding: 0 0 2rem 0; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
content: "";
position: absolute; left: -1.5rem; top: .45rem;
width: 9px; height: 9px; margin-left: -5px;
border-radius: 50%;
background: var(--rule-strong);
outline: 3px solid var(--surface);
}
.timeline li.now::before { background: var(--accent); }
.when {
display: block;
color: var(--muted);
font-size: .75rem; font-weight: 600;
letter-spacing: .06em; text-transform: uppercase;
font-variant-numeric: tabular-nums;
}
.timeline li.now .when { color: var(--accent); }
.timeline h3 {
margin: .25rem 0 .125rem;
font-family: var(--serif);
font-size: 1.125rem; font-weight: 600; line-height: 1.3;
}
.timeline p { margin: 0; color: var(--muted); font-size: .875rem; }
/* ---------- theme toggle ---------- */
.theme-toggle {
margin-left: .25rem; padding: .5rem;
display: inline-flex; border: 0; border-radius: 7px;
background: none; color: var(--muted); cursor: pointer;
transition: color .15s var(--ease), background-color .15s var(--ease);
}
.theme-toggle:hover { color: var(--ink); background: var(--accent-soft); }
.theme-toggle svg { width: 1.125rem; height: 1.125rem; display: block; }
.theme-toggle .sun { display: none; }
@media (prefers-color-scheme: dark) {
:root:not([data-theme="light"]) .theme-toggle .sun { display: block; }
:root:not([data-theme="light"]) .theme-toggle .moon { display: none; }
}
:root[data-theme="dark"] .theme-toggle .sun { display: block; }
:root[data-theme="dark"] .theme-toggle .moon { display: none; }
:root[data-theme="light"] .theme-toggle .sun { display: none; }
:root[data-theme="light"] .theme-toggle .moon { display: block; }
/* ---------- footer ---------- */
.site-footer {
border-top: 1px solid var(--rule);
padding-block: 2rem;
color: var(--muted);
font-size: .875rem;
}
.site-footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.site-footer strong { color: var(--ink); font-family: var(--serif); font-weight: 600; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent); }
/* ---------- responsive ---------- */
@media (max-width: 40rem) {
.page-head { display: block; }
.view-switch { margin-top: 1.25rem; width: fit-content; }
.grid { grid-template-columns: 1fr; gap: 1.125rem; }
.bio img { width: 100%; max-width: 15rem; }
.prose blockquote { font-size: 1rem; }
/* 26px pills are fine for a mouse and wrong for a thumb */
.dl { padding: .5rem .75rem .5rem .625rem; margin-block: .1875rem; font-size: .875rem; }
.prose td { padding: .875rem; }
:root[data-view="table"] .card-body { display: block; }
:root[data-view="table"] .count { text-align: left; margin-top: .125rem; }
}
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after {
animation-duration: .01ms !important;
transition-duration: .01ms !important;
}
}
@media print {
.site-header, .site-footer, .view-switch, .breadcrumb { display: none; }
body { background: #fff; color: #000; }
.prose, .table-scroll { border: 0; padding: 0; }
.dl { border: 0; background: none; }
}
/* ---------- skip link ---------- */
.skip {
position: absolute; left: .5rem; top: -4rem; z-index: 30;
padding: .625rem 1rem; border-radius: 8px;
background: var(--accent); color: var(--surface);
font-size: .875rem; font-weight: 600;
transition: top .15s var(--ease);
}
.skip:focus { top: .5rem; text-decoration: none; }
/* ---------- download label + weight ---------- */
/* a student on mobile data should know what they are about to pull down */
.dl-label { font-weight: 500; }
.dl-meta {
color: var(--muted);
font-size: .6875rem; font-weight: 500;
letter-spacing: .02em;
font-variant-numeric: tabular-nums;
white-space: nowrap;
}
.dl:hover .dl-meta { color: color-mix(in srgb, var(--on-mark) 72%, transparent); }
/* ---------- search ---------- */
.search { position: relative; margin-bottom: 2.5rem; }
.search svg {
position: absolute; left: .875rem; top: 50%; translate: 0 -50%;
width: 1.125rem; height: 1.125rem;
fill: none; stroke: var(--muted); stroke-width: 1.8; stroke-linecap: round;
pointer-events: none;
}
.search input {
width: 100%;
padding: .8125rem 1rem .8125rem 2.75rem;
background: var(--surface);
border: 1px solid var(--rule);
border-radius: 10px;
color: var(--ink);
font: inherit; font-size: .9375rem;
transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.search input::placeholder { color: var(--muted); }
.search input:hover { border-color: var(--rule-strong); }
.search input:focus {
outline: none;
border-color: var(--accent);
box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.search input:focus + * { }
.search input::-webkit-search-cancel-button { cursor: pointer; }
.results-count {
margin: 0 0 1rem;
color: var(--muted);
font-size: .875rem;
}
.hit {
display: grid;
grid-template-columns: 1fr auto;
gap: .125rem .875rem;
padding: .8125rem 1rem;
background: var(--surface);
border: 1px solid var(--rule);
border-radius: 10px;
margin-bottom: .5rem;
color: inherit;
}
.hit:hover {
border-color: var(--accent);
background: var(--accent-soft);
text-decoration: none;
}
.hit-main { grid-column: 1; font-size: .9375rem; font-weight: 500; line-height: 1.45; }
.hit-sub { grid-column: 1; color: var(--muted); font-size: .8125rem; }
.hit-meta {
grid-column: 2; grid-row: 1 / span 2;
align-self: center;
color: var(--muted);
font-size: .6875rem; font-weight: 500;
font-variant-numeric: tabular-nums;
white-space: nowrap;
}
.hit mark {
background: color-mix(in srgb, var(--mark) 42%, transparent);
color: inherit;
border-radius: 2px;
padding: 0 .0625rem;
}
/* ---------- button ---------- */
/* navigation, not a download: no arrow, and it carries the accent rather than the mark */
.btn {
display: inline-block;
padding: .625rem 1.125rem;
border-radius: 9px;
background: var(--accent);
color: var(--surface);
font-size: .9375rem; font-weight: 600;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
/* ---------- a course with no materials yet ---------- */
/* A blank ruled sheet: the binder metaphor doing the work a stock photo would
do badly. Signals "nothing filed here yet" without faking content. */
.card figure.blank {
aspect-ratio: 16 / 10;
background:
repeating-linear-gradient(to bottom,
transparent 0 1.375rem, var(--rule) 1.375rem 1.4375rem),
var(--accent-soft);
}
.card figure.blank::after {
content: ""; display: block; height: 100%;
border-left: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
margin-left: 2rem;
}
:root[data-view="table"] .card figure.blank {
width: 3.25rem; aspect-ratio: 3 / 2;
background-size: auto, auto 8px, auto;
}
:root[data-view="table"] .card figure.blank::after { margin-left: .6rem; }