/* ==========================================================================
theme.css — Editorial-Academic site theme
mohammedalisharafuddin.github.io
Hand-authored, framework-free. Link from every page:
Also add the Google Fonts (see README) to each page's .
========================================================================== */
/* ----------------------------------------------------------------- Tokens */
:root {
/* Surfaces */
--bg: #f4f1ea;
--bg-footer: #efeae1;
--card: #fbf9f4;
--card-input: #ffffff;
--band: #ece8df;
/* Ink / text */
--ink: #1c1b17;
--ink-soft: #57534a;
--ink-muted: #6b6457;
/* Original spec value (#a8a293) reads at ~2.3:1 on the white --card-input
background — barely visible as placeholder text, the only content an
empty form field shows. Darkened to ~4.5:1 while staying visibly
lighter than --ink-muted. */
--ink-faint: #7d7566;
/* Lines */
--line: #e6e0d3;
--line-input: #e0d9ca;
--line-btn: #d8d1c2;
/* Accent — forest green */
--accent: #1f4d3a;
--accent-soft: #e8efe9;
--accent-bright: #7fd1a3;
/* Secondary — terracotta */
--terra: #b15330;
--terra-soft: #f6e9e2;
/* Dark surfaces */
--dark: #16150f;
--dark-line: #312f25;
--dark-text: #f4f1ea;
--dark-soft: #b8b2a3;
--dark-muted: #9a9384;
/* Fonts */
--font-display: 'Newsreader', Georgia, serif;
--font-body: 'Hanken Grotesk', system-ui, sans-serif;
--font-mono: 'IBM Plex Mono', ui-monospace, monospace;
/* Layout */
--container: 1180px;
--radius-card: 10px;
--radius-btn: 5px;
--radius-input: 6px;
--shadow-lift: 0 24px 48px -24px rgba(28, 27, 23, 0.35);
}
/* ------------------------------------------------------ Dark mode variant */
/* Toggled via [data-theme="dark"] on (see assets/js/theme-toggle.js) */
[data-theme="dark"] {
/* Surfaces */
--bg: #14130e;
--bg-footer: #191811;
--card: #1c1b15;
--card-input: #201f18;
--band: #232219;
/* Ink / text */
--ink: #f4f1ea;
--ink-soft: #b8b2a3;
--ink-muted: #9a9384;
--ink-faint: #6b6457;
/* Lines */
--line: #312f25;
--line-input: #3a382c;
--line-btn: #3a382c;
/* Accent — forest green, brightened for contrast on dark surfaces */
--accent: #7fd1a3;
--accent-soft: rgba(127, 209, 163, 0.14);
--accent-bright: #a8e6c3;
/* Secondary — terracotta, brightened for contrast on dark surfaces */
--terra: #e2916a;
--terra-soft: rgba(226, 145, 106, 0.14);
/* "Always dark" surfaces (section--dark, code, card--dark) read as a
dramatic recess against the light page in light mode. Against an
already-dark page, going darker still reads as flat/static — so here
they elevate instead: a forest-tinted surface lighter than --bg, plus a
hairline border, so the band still registers as a distinct accent. */
--dark: #1c261d;
--dark-line: #34402f;
--dark-text: #f4f1ea;
--dark-soft: #c7cabb;
--dark-muted: #9fa68f;
--shadow-lift: 0 24px 48px -24px rgba(0, 0, 0, 0.6);
}
/* Component-level flips: a few rules hard-code the light-mode assumption
that --ink is dark and --dark-text/--accent are light. In dark mode --ink
itself becomes light, so these need their own text-color pairing rather
than inheriting the light-mode contrast relationship. */
[data-theme="dark"] .site-nav {
background: rgba(20, 19, 14, 0.82);
}
[data-theme="dark"] .site-nav__links a { color: var(--ink-soft); }
[data-theme="dark"] .btn { color: var(--dark); }
[data-theme="dark"] .btn:hover { color: var(--dark); }
[data-theme="dark"] .card--accent { color: var(--dark); }
[data-theme="dark"] .card--accent .card__body { color: rgba(11, 10, 7, 0.72); }
/* Hairline border to keep the elevated dark band/card legible now that it's
only slightly lighter than the page, not dramatically darker */
[data-theme="dark"] .card--dark { border: 1px solid var(--dark-line); }
[data-theme="dark"] .section--dark {
border-top: 1px solid var(--dark-line);
border-bottom: 1px solid var(--dark-line);
}
/* ------------------------------------------------------------- Base reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
margin: 0;
background: var(--bg);
color: var(--ink);
font-family: var(--font-body);
font-size: 16px;
line-height: 1.6;
-webkit-font-smoothing: antialiased;
text-rendering: optimizeLegibility;
}
::selection { background: var(--accent); color: var(--bg); }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 {
font-family: var(--font-display);
font-weight: 500;
letter-spacing: -0.02em;
line-height: 1.08;
margin: 0;
text-wrap: balance;
}
h1 { font-size: clamp(46px, 6vw, 78px); line-height: 1.0; letter-spacing: -0.025em; }
h2 { font-size: clamp(30px, 3.6vw, 44px); }
p { margin: 0; }
a { color: inherit; }
/* Keyboard focus — visible ring everywhere (accessibility) */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
/* ------------------------------------------------------------- Layout */
.container {
max-width: var(--container);
margin: 0 auto;
padding-left: 32px;
padding-right: 32px;
}
.section {
max-width: var(--container);
margin: 0 auto;
padding: 64px 32px;
border-top: 1px solid var(--line);
}
.section:first-of-type { border-top: none; }
.section[id], [id].anchor-target { scroll-margin-top: 84px; }
/* Intrinsic responsive grid — stacks on mobile with no media queries */
.grid {
display: grid;
gap: 24px;
grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
/* Default grid behavior stretches every item in a row to match the
tallest one — forcing a short-content card taller than it needs and
leaving a dead gap inside it. Sizing each card to its own content
avoids that; a ragged bottom edge across a row reads better than an
empty void inside a card. */
align-items: start;
}
.grid--tight { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 20px; }
.grid--stats { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 24px; }
.grid--two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 48px; }
/* For groups of exactly 4 cards: 210px min resolves to 3 columns at tablet
widths (~768px), stranding the 4th card alone on its own row. 240px
resolves cleanly to 4 columns at desktop and 2 at tablet/narrow — never 3. */
.grid--quad { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
/* ------------------------------------------------------------- Navigation */
.site-nav {
position: sticky;
top: 0;
z-index: 50;
background: rgba(244, 241, 234, 0.82);
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
border-bottom: 1px solid var(--line);
}
.site-nav__inner {
max-width: var(--container);
margin: 0 auto;
padding: 16px 32px;
display: flex;
align-items: center;
justify-content: space-between;
gap: 16px;
flex-wrap: wrap;
}
.site-nav__brand {
display: flex;
align-items: center;
gap: 12px;
text-decoration: none;
}
.monogram {
font-family: var(--font-mono);
font-weight: 500;
font-size: 15px;
letter-spacing: 0.04em;
border: 1.5px solid var(--ink);
padding: 5px 9px;
border-radius: 3px;
color: var(--ink);
}
.site-nav__name { font-size: 14px; font-weight: 500; color: var(--ink-muted); }
.site-nav__links {
display: flex;
align-items: center;
gap: 28px;
font-size: 14px;
font-weight: 500;
}
/* Hamburger toggle — hidden by default; the 8 links plus Contact/Dark
buttons wrap into a cramped multi-row cluster below ~900px, so past that
point they collapse behind this button instead. */
.nav-toggle {
display: none;
width: 36px;
height: 32px;
align-items: center;
justify-content: center;
background: transparent;
border: 1.5px solid var(--line-btn);
border-radius: 4px;
cursor: pointer;
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
display: block;
width: 16px;
height: 1.5px;
background: var(--ink);
position: relative;
transition: transform 0.15s ease, opacity 0.15s ease;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after { content: ""; position: absolute; }
.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }
.nav-toggle.is-open .nav-toggle__bars { background: transparent; }
.nav-toggle.is-open .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle.is-open .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }
@media (max-width: 900px) {
.nav-toggle { display: inline-flex; }
.site-nav__links {
display: none;
flex-basis: 100%;
flex-direction: column;
align-items: flex-start;
gap: 18px;
padding: 20px 0 8px;
}
.site-nav__links.is-open { display: flex; }
}
.site-nav__links a {
text-decoration: none;
color: #3a3730;
transition: color 0.15s ease;
}
.site-nav__links a:hover { color: var(--accent); }
.site-nav__links a[aria-current="page"] { color: var(--accent); }
/* .btn inside the nav is a solid dark pill — the two rules above (higher
specificity than the bare .btn class) were overriding its light text with
the plain-link color, making the label invisible against its own fill. */
.site-nav__links a.btn,
.site-nav__links a.btn:hover { color: var(--dark-text); }
[data-theme="dark"] .site-nav__links a.btn,
[data-theme="dark"] .site-nav__links a.btn:hover { color: var(--dark); }
/* ------------------------------------------------------------- Buttons */
.btn,
.btn-ghost {
display: inline-flex;
align-items: center;
gap: 9px;
font-family: var(--font-body);
font-weight: 600;
font-size: 15px;
text-decoration: none;
padding: 15px 24px;
border-radius: var(--radius-btn);
cursor: pointer;
transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn {
background: var(--ink);
color: var(--dark-text);
border: none;
}
.btn:hover { background: var(--accent); }
.btn-ghost {
background: transparent;
color: var(--ink);
border: 1.5px solid var(--line-btn);
}
.btn-ghost:hover { background: var(--card); border-color: var(--ink); }
/* Compact (nav) variant */
.btn--sm { padding: 9px 16px; border-radius: 4px; font-size: 14px; }
/* Arrow glyph helper */
.arrow { font-family: var(--font-mono); }
/* ------------------------------------------------------------- Links */
.link-inline {
color: var(--accent);
text-decoration: underline;
text-underline-offset: 3px;
}
.link-action {
color: var(--accent);
font-family: var(--font-body);
font-weight: 600;
font-size: 14px;
text-decoration: none;
white-space: nowrap;
transition: color 0.15s ease;
}
.link-action:hover { color: var(--ink); }
/* Stronger call-to-action variant for the primary action on a Live / On CRAN /
Published card — those items are actually usable right now, so the link
that gets you there should read as more important than "Preview" or
"Review status" on an in-progress card. Size/weight only (not color), so
it stays correct wherever .link-action already is (light card, card--dark,
card--accent). */
.link-action--cta { font-size: 15px; font-weight: 700; }
/* ------------------------------------------------------------- Eyebrow + headers */
.eyebrow {
font-family: var(--font-mono);
font-size: 12px;
letter-spacing: 0.18em;
text-transform: uppercase;
color: var(--accent);
margin-bottom: 14px;
}
.section-head {
display: flex;
align-items: flex-end;
justify-content: space-between;
gap: 24px;
flex-wrap: wrap;
margin-bottom: 40px;
}
/* ------------------------------------------------------------- Badges */
.badge {
display: inline-flex;
align-items: center;
justify-content: center;
text-align: center;
gap: 7px;
font-family: var(--font-mono);
font-weight: 500;
font-size: 11px;
letter-spacing: 0.08em;
text-transform: uppercase;
padding: 5px 11px;
border-radius: 20px;
}
.badge--sm { font-size: 10px; padding: 4px 10px; }
.badge__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
/* Status colors — solid fills, not soft tints. A translucent tint's
effective contrast depends on what's behind it (page bg vs. card--dark vs.
card--accent), which is how "Published v0.1.0" and "Live" ended up
unreadable in some contexts. A solid fill paired with an explicit
dark-mode text flip is contrast-safe regardless of surface or theme.
"Live" carries the most weight (bold + a brighter dot) since it's the
status that matters most to a visitor deciding what to click. */
.badge--live {
background: var(--accent);
color: var(--dark-text);
font-weight: 700;
}
.badge--live .badge__dot { background: var(--accent-bright); }
.badge--beta { background: var(--terra); color: var(--dark-text); } /* Under Review / Testing / Beta / Alpha */
.badge--wip { background: var(--ink-muted); color: var(--dark-text); } /* In Development / Coming Soon */
[data-theme="dark"] .badge--live,
[data-theme="dark"] .badge--beta,
[data-theme="dark"] .badge--wip { color: var(--dark); }
/* On an always-dark surface (card--dark, card--accent): a light chip reads
reliably against either backdrop in both site themes, rather than relying
on a translucent tint over an unknown-brightness background. */
.badge--on-dark { background: rgba(244, 241, 234, 0.92); color: var(--dark); }
.badge--on-dark .badge__dot { background: var(--accent); }
/* ------------------------------------------------------------- Tag pills */
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.tag {
font-family: var(--font-mono);
font-weight: 600;
font-size: 10px;
color: var(--dark-text);
background: var(--ink);
border: 1px solid var(--ink);
padding: 3px 8px;
border-radius: 4px;
}
[data-theme="dark"] .tag { color: var(--dark); }
/* A bare outline reads too faint against a dark card in either site theme —
give it the same light-chip fill logic as .badge--on-dark, just softer
(translucent) so tags stay visually subordinate to status badges. */
.tag--on-dark {
color: var(--dark-soft);
background: rgba(244, 241, 234, 0.14);
border-color: rgba(244, 241, 234, 0.22);
}
/* ------------------------------------------------------------- Cards */
.card {
background: var(--card);
border: 1px solid var(--line);
border-radius: var(--radius-card);
padding: 24px;
transition: border-color 0.15s ease;
}
.card:hover { border-color: var(--ink); }
.card--pad-lg { padding: 32px; }
/* Static info block (e.g. Contact's Affiliation/Profiles panels) — same
surface as a real card, but nothing on it is clickable, so the hover
affordance that implies otherwise is suppressed. */
.card--static:hover { border-color: var(--line); }
/* Inverted / featured card */
.card--dark {
background: var(--dark);
color: var(--dark-text);
border: none;
}
.card--dark .card__body { color: var(--dark-soft); }
.card--dark:hover { border-color: transparent; }
/* Accent-fill feature card (e.g. toolkit repo) */
.card--accent { background: var(--accent); color: var(--dark-text); border: none; }
.card--accent .card__body { color: #cdd8d0; }
.card__title { font-family: var(--font-display); font-weight: 500; }
.card__body { color: var(--ink-muted); }
/* ------------------------------------------------------------- Stats */
.stat__num {
font-family: var(--font-display);
font-weight: 500;
font-size: 42px;
line-height: 1;
letter-spacing: -0.02em;
}
.stat__label {
font-family: var(--font-mono);
font-size: 11px;
letter-spacing: 0.12em;
text-transform: uppercase;
color: var(--ink-muted);
margin-top: 8px;
}
/* ------------------------------------------------------------- Code block */
.code {
font-family: var(--font-mono);
font-size: 13px;
background: var(--dark);
color: var(--accent-bright);
padding: 13px 16px;
border-radius: 6px;
overflow-x: auto;
}
.code .str { color: #e9b08a; }
/* ------------------------------------------------------------- Forms */
.form-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 32px; }
.field { display: block; margin-bottom: 18px; }
.field__label {
display: block;
font-family: var(--font-mono);
font-size: 11px;
letter-spacing: 0.08em;
text-transform: uppercase;
color: var(--ink-muted);
margin-bottom: 8px;
}
.input, .select, .textarea {
width: 100%;
padding: 16px 14px;
border: 1px solid var(--line-input);
border-radius: var(--radius-input);
background: var(--card-input);
font-family: var(--font-body);
font-size: 15px;
color: var(--ink);
outline: none;
transition: border-color 0.15s ease;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--accent); }
.input::placeholder, .textarea::placeholder { color: var(--ink-faint); }
.textarea { resize: vertical; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 18px; }
/* ------------------------------------------------------------- Dark section band */
.section--dark {
background: var(--dark);
color: var(--dark-text);
}
.section--dark .eyebrow { color: var(--accent-bright); }
.section--dark .link-action { color: var(--accent-bright); }
.section--dark .link-action:hover { color: var(--dark-text); }
.section--dark .stat__num { color: var(--accent-bright); }
.section--dark .stat__label { color: var(--dark-muted); }
.section--dark__inner { max-width: var(--container); margin: 0 auto; padding: 72px 32px; }
/* List rows on dark (e.g. publications) */
.pub-row {
display: block;
text-decoration: none;
padding: 20px 0;
border-top: 1px solid var(--dark-line);
transition: opacity 0.15s ease;
}
.pub-row:hover { opacity: 0.7; }
.pub-row:last-child { border-bottom: 1px solid var(--dark-line); }
/* Same row pattern, for a publication/conference/grant list sitting on a
normal light section rather than a section--dark band (research.html). */
.pub-row--light {
display: flex;
gap: 20px;
align-items: baseline;
padding: 18px 0;
border-top: 1px solid var(--line);
}
.pub-row--light:last-child { border-bottom: 1px solid var(--line); }
.pub-row__year {
font-family: var(--font-mono);
font-size: 12px;
color: var(--ink-faint);
min-width: 44px;
flex-shrink: 0;
}
/* The title is the only clickable element in the row (not the whole row),
so hover feedback lives here rather than on .pub-row--light. */
a.pub-row__title {
display: block;
font-family: var(--font-display);
font-weight: 500;
font-size: 16px;
color: var(--ink);
text-decoration: none;
transition: color 0.15s ease;
}
a.pub-row__title:hover { color: var(--accent); text-decoration: underline; }
span.pub-row__title {
display: block;
font-family: var(--font-display);
font-weight: 400;
font-size: 16px;
color: var(--ink-soft);
}
.pub-row__venue { font-size: 13px; color: var(--ink-muted); margin-top: 5px; }
/* Quality/index chips inline in a venue line (Q1, Q2, SCOPUS…) */
.pub-quality {
display: inline-flex;
font-family: var(--font-mono);
font-size: 10px;
font-weight: 500;
text-transform: uppercase;
letter-spacing: 0.06em;
padding: 2px 7px;
border-radius: 4px;
background: var(--band);
color: var(--ink-muted);
}
/* "Show more" toggle button used on long publication/conference lists */
.show-more {
font-family: var(--font-mono);
font-size: 11px;
text-transform: uppercase;
letter-spacing: 0.08em;
color: var(--ink);
background: transparent;
border: 1.5px solid var(--line-btn);
border-radius: 4px;
padding: 8px 14px;
cursor: pointer;
margin-top: 12px;
transition: background 0.15s ease, color 0.15s ease;
}
.show-more:hover { background: var(--ink); color: var(--dark-text); border-color: var(--ink); }
[data-theme="dark"] .show-more:hover { color: var(--dark); }
/* Simple chip row used for "research areas" style tag clouds */
.chip {
display: inline-flex;
align-items: center;
font-family: var(--font-display);
font-size: 14px;
color: var(--ink);
border: 1px solid var(--line);
background: var(--card);
padding: 8px 14px;
border-radius: 20px;
}
/* ------------------------------------------------------------- Portrait frame */
.portrait { position: relative; }
.portrait::before {
content: "";
position: absolute;
inset: 18px -18px -18px 18px;
border: 1.5px solid var(--accent);
border-radius: 8px;
}
.portrait img {
position: relative;
aspect-ratio: 4 / 5;
width: 100%;
height: 100%;
object-fit: cover;
border-radius: 8px;
box-shadow: var(--shadow-lift);
}
/* ------------------------------------------------------------- Footer */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-footer); }
.site-footer__inner {
max-width: var(--container);
margin: 0 auto;
padding: 32px;
display: flex;
align-items: center;
justify-content: space-between;
gap: 24px;
flex-wrap: wrap;
}
.site-footer__meta { font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint); }
/* ------------------------------------------------------------- Card header/footer
Extensions beyond the design handoff: real page content needs a badge-vs-title
header row and a meta/link footer row pinned to the card bottom. */
.card { display: flex; flex-direction: column; }
.card__header {
display: flex;
align-items: flex-start;
justify-content: space-between;
gap: 12px;
margin-bottom: 14px;
}
.card__subtitle { font-family: var(--font-display); font-size: 14px; font-weight: 500; color: var(--ink-muted); margin-top: 4px; }
.card--dark .card__subtitle { color: var(--dark-soft); }
.card__footer {
/* Cards size to their own content (see .grid's align-items:start) rather
than stretching to match the tallest sibling, so a fixed gap here is
correct — margin-top:auto would just collapse to ~0 with nothing to push against. */
margin-top: 16px;
padding-top: 16px;
border-top: 1px solid var(--line);
display: flex;
align-items: center;
justify-content: space-between;
gap: 12px;
flex-wrap: wrap;
}
.card--dark .card__footer,
.card--accent .card__footer { border-top-color: rgba(244, 241, 234, 0.14); }
.card__meta { font-family: var(--font-mono); font-size: 11px; color: var(--ink-muted); }
.card--dark .card__meta { color: var(--dark-muted); }
.card--accent .card__meta { color: rgba(244, 241, 234, 0.7); }
[data-theme="dark"] .card--accent .card__meta { color: rgba(11, 10, 7, 0.6); }
/* Disabled action link (work-in-progress items with no destination yet) */
.link-action--disabled { color: var(--ink-faint); cursor: default; pointer-events: none; }
.card--dark .link-action--disabled,
.card--accent .link-action--disabled { color: rgba(244, 241, 234, 0.5); }
/* Informational (non-status) badge, e.g. "Teaching & Research" */
.badge--info { background: var(--band); color: var(--ink-muted); }
/* Subgroup micro-label above a card grid, e.g. "Live" / "Coming soon on FlairMI" */
.subhead-mono {
font-family: var(--font-mono);
font-size: 11px;
letter-spacing: 0.12em;
text-transform: uppercase;
color: var(--ink-muted);
margin-bottom: 20px;
}
/* Hero — like .section but no top divider, taller top padding */
.hero { max-width: var(--container); margin: 0 auto; padding: 72px 32px 56px; }
/* ------------------------------------------------------------- Reduced motion */
@media (prefers-reduced-motion: reduce) {
html { scroll-behavior: auto; }
* { transition: none !important; }
}