/* Research site — turquoise theme. Used by _layouts/research.html */
*, *::before, *::after { box-sizing: border-box; }
:root {
  --turq: #1cb5b2;          /* hoodie turquoise: rules, dots, highlights */
  --turq-deep: #0b7774;     /* readable turquoise for links and labels */
  --turq-ink: #075856;
  --turq-wash: #e9f8f7;
  --turq-wash-2: #d4f1ef;
  --ink: #15201f;
  --ink-2: #3c4948;
  --ink-3: #6a7877;
  --line: #e1ebea;
  --paper: #fbfdfd;
  --surface: #ffffff;
  --side-fade: rgba(233,248,247,0);
  --on-turq: #ffffff;
  --serif: "Newsreader", Georgia, serif;
  --sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
}
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
p { margin: 0 0 12px; }
a { color: var(--turq-deep); text-decoration: none; background-image: linear-gradient(var(--turq-wash-2), var(--turq-wash-2)); background-size: 100% 0.3em; background-position: 0 92%; background-repeat: no-repeat; transition: background-size .15s; }
a:hover { color: var(--turq-ink); background-size: 100% 100%; }
b, strong { font-weight: 700; }
code { font: .86em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--turq-wash); padding: .05em .35em; border-radius: 4px; }

.shell { display: grid; grid-template-columns: 280px minmax(0, 1fr); max-width: 1180px; margin: 0 auto; min-height: 100vh; }

/* sidebar */
.side { position: sticky; top: 0; align-self: start; height: 100vh; overflow-y: auto; padding: 48px 28px 32px 32px; border-right: 1px solid var(--line); background: linear-gradient(180deg, var(--turq-wash) 0, var(--side-fade) 340px); }
.side a { background-image: none; }
.side__photo { width: 168px; height: 168px; object-fit: cover; border-radius: 22px; box-shadow: 0 0 0 4px var(--surface), 0 0 0 6px var(--turq); margin-bottom: 22px; }
.side__name { font: 600 1.6rem/1.15 var(--serif); margin: 0; letter-spacing: -.01em; }
.side__name a { color: var(--ink); }
.side__ur { font-family: "Noto Nastaliq Urdu", "Jameel Noori Nastaleeq", serif; font-weight: 600; font-size: 1.35rem; line-height: 2.1; color: var(--ink); text-align: left; margin: 0 0 6px; }
.side__role { font-size: .9rem; color: var(--ink-2); margin-bottom: 26px; }
.side__nav { display: flex; flex-direction: column; gap: 2px; margin-bottom: 26px; }
.side__nav a { color: var(--ink-2); font-size: .92rem; font-weight: 600; padding: 5px 10px; margin-left: -10px; border-radius: 8px; }
.side__nav a:hover { background: var(--turq-wash-2); color: var(--turq-ink); }
.side__links { display: flex; flex-direction: column; gap: 6px; font-size: .86rem; padding-top: 18px; border-top: 1px dashed var(--turq); }
.side__links a { color: var(--turq-deep); }
.side__links a:hover { color: var(--turq-ink); text-decoration: underline; }

/* main */
.main { padding: 56px 56px 32px; max-width: 860px; }
.block { padding: 8px 0 44px; scroll-margin-top: 24px; }
.kicker { display: flex; align-items: center; gap: 12px; font: 700 .76rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--turq-deep); margin: 0 0 22px; }
.kicker::after { content: ""; flex: 1; height: 2px; background: linear-gradient(90deg, var(--turq), transparent); }
.about .lede, .lede { font: 500 1.6rem/1.35 var(--serif); color: var(--ink); margin: 0 0 20px; letter-spacing: -.005em; }
.lede em { font-style: normal; background: linear-gradient(transparent 62%, var(--turq-wash-2) 62%); }
.about p { color: var(--ink-2); font-size: 1rem; }

/* papers */
.paper { display: grid; grid-template-columns: 300px 1fr; gap: 26px; padding: 24px; margin-bottom: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; transition: border-color .15s, box-shadow .15s; }
.paper:hover { border-color: var(--turq); box-shadow: 0 6px 24px rgba(11, 119, 116, .08); }
.paper { overflow: hidden; }
.paper > div { min-width: 0; }
.main { min-width: 0; }
.paper__fig { background: var(--surface); border-radius: 10px; border: 1px solid var(--line); padding: 4px; align-self: start; }
.paper__fig a { background-image: none; }
.paper__meta { font-size: .8rem; font-weight: 700; letter-spacing: .02em; color: var(--ink-3); margin-bottom: 6px; }
.paper__meta .flag { color: var(--turq-ink); background: var(--turq-wash); border-radius: 999px; padding: 2px 9px; margin-left: 6px; letter-spacing: .04em; }
.cites { margin-left: 8px; font-size: .74rem; font-weight: 700; letter-spacing: .04em; text-transform: none; color: var(--turq-ink); border: 1px solid var(--turq); border-radius: 999px; padding: 1px 9px; background-image: none; white-space: nowrap; }
.cites:hover { background: var(--turq-wash-2); }
.cites[hidden], .side__cites[hidden] { display: none !important; }
.side__cites { display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: 4px 6px; font-size: .84rem; color: var(--ink-2); background: var(--turq-wash); border: 1px solid var(--turq-wash-2); border-radius: 10px; padding: 6px 10px; margin: -12px 0 22px; }
.side__cites b { color: var(--turq-ink); font-size: .95rem; }
.side__cites span { width: 100%; font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.side__cites:hover { border-color: var(--turq); }
.paper__title { font: 600 1.28rem/1.3 var(--serif); margin: 0 0 6px; }
.paper__authors { font-size: .9rem; color: var(--ink-2); margin-bottom: 10px; }
.paper__lead { font-size: .95rem; color: var(--ink-2); margin-bottom: 6px; }
.paper__math { background: var(--turq-wash); border-left: 3px solid var(--turq); border-radius: 0 10px 10px 0; padding: 4px 14px 8px; margin: 0 0 14px; overflow-x: auto; color: var(--ink); }
.paper__math .katex-display { margin: .55em 0; }
.paper__math .katex { font-size: 1.04em; }
.math-note { font-size: .9rem; color: var(--ink-2); margin: 2px 0 2px; }
/* internship block */
.seeking { display: flex; gap: 14px; align-items: flex-start; margin-top: 18px; padding: 16px 18px; background: var(--surface); border: 1.5px solid var(--turq); border-radius: 14px; box-shadow: 0 0 0 4px var(--turq-wash); }
.seeking p { margin: 0; color: var(--ink-2); font-size: .95rem; }
.seeking__title { font-weight: 700; color: var(--ink) !important; margin-bottom: 2px !important; }
.seeking__dot { flex: none; width: 10px; height: 10px; margin-top: 7px; border-radius: 50%; background: var(--turq); box-shadow: 0 0 0 4px var(--turq-wash-2); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 3px var(--turq-wash-2); } 50% { box-shadow: 0 0 0 7px transparent; } }
@media (prefers-reduced-motion: reduce) { .seeking__dot { animation: none; } }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 12px; }
.chip { font: 600 .78rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--turq-ink); background: var(--turq-wash); border: 1px solid var(--turq-wash-2); border-radius: 6px; padding: 5px 8px; }
.paper__links { display: flex; flex-wrap: wrap; gap: 8px; }
.btn { font-size: .82rem; font-weight: 700; color: var(--turq-deep); border: 1.5px solid var(--turq); border-radius: 999px; padding: 4px 12px; background: var(--surface); }
.btn:hover { background: var(--turq); color: var(--on-turq); }
.earlier { font-size: .9rem; color: var(--ink-2); margin-top: 6px; }

/* highlighted contributions */
.hl { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.hl__item { display: flex; flex-direction: column; gap: 6px; padding: 18px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; min-width: 0; }
.hl__item:first-child { grid-column: 1 / -1; border-color: var(--turq); box-shadow: 0 0 0 4px var(--turq-wash); }
.hl__pr { align-self: flex-start; font: 700 .74rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--turq-ink); background: var(--turq-wash); border-radius: 6px; padding: 5px 8px; }
.hl__title { font: 600 1.12rem/1.3 var(--serif); margin: 2px 0 0; }
.hl__title a { color: var(--ink); background-image: none; }
.hl__title a:hover { color: var(--turq-deep); }
.hl__text { font-size: .9rem; color: var(--ink-2); margin: 0; }
.hl__math { background: var(--turq-wash); border-radius: 8px; padding: 0 10px; overflow-x: auto; }
.hl__math .katex-display { margin: .5em 0; }
.hl__quote { font-size: .86rem; font-style: italic; color: var(--turq-ink); margin: 2px 0 0; }
.hl__also { font-size: .82rem; color: var(--ink-3); margin: 0; }

/* news timeline */
.timeline { list-style: none; margin: 0; padding: 0 0 0 22px; border-left: 2px solid var(--turq-wash-2); }
.timeline li { position: relative; padding: 0 0 16px 6px; font-size: .94rem; color: var(--ink-2); }
.timeline li::before { content: ""; position: absolute; left: -29px; top: 7px; width: 12px; height: 12px; border-radius: 50%; background: var(--paper); border: 3px solid var(--turq); }
.timeline time { display: block; font-size: .76rem; font-weight: 700; letter-spacing: .08em; color: var(--turq-deep); text-transform: uppercase; }

/* software */
.soft { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.soft__item { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--turq); border-radius: 12px; padding: 16px 18px; }
.soft__item h3 { font: 700 .95rem/1.3 var(--sans); margin: 0 0 6px; }
.soft__item p { font-size: .86rem; color: var(--ink-2); margin: 0; }

/* collaborators */
.people { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.people li { display: flex; flex-direction: column; padding: 10px 14px; background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--turq); border-radius: 10px; }
.people a { background-image: none; }
.people a:hover { color: var(--turq-deep); }
.people a, .people__name { font-weight: 700; font-size: .93rem; color: var(--ink); }
.people__where { font-size: .8rem; color: var(--ink-3); }
.paper__role { font-size: .86rem; font-style: italic; color: var(--turq-ink); margin: -6px 0 10px; }

/* gallery */
.gallery { columns: 3 220px; column-gap: 12px; }
.gallery figure { break-inside: avoid; margin: 0 0 12px; }
.gallery img { width: 100%; border-radius: 12px; }
.gallery figcaption { font-size: .78rem; color: var(--ink-3); margin-top: 4px; }
.gallery-empty { font-size: .9rem; color: var(--ink-3); background: var(--turq-wash); border: 1px dashed var(--turq); border-radius: 12px; padding: 18px; }

/* awards */
.awards { list-style: none; padding: 0; margin: 0; }
.awards li { display: grid; grid-template-columns: 90px 1fr; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .93rem; }
.awards time { color: var(--turq-deep); font-weight: 700; font-size: .8rem; }

.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: .78rem; color: var(--ink-3); border-top: 1px solid var(--line); padding-top: 18px; margin-top: 12px; }


/* Dark mode: warm, softly dark (not pure black) */
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #262624;
  --surface: #30302e;
  --side-fade: rgba(38,38,36,0);
  --line: #3e3d39;
  --ink: #ece9e1;
  --ink-2: #c3c0b6;
  --ink-3: #9a978e;
  --turq: #3cc9c4;
  --turq-deep: #6fdad5;
  --turq-ink: #9ae8e4;
  --turq-wash: rgba(60, 201, 196, .10);
  --turq-wash-2: rgba(60, 201, 196, .24);
  --on-turq: #1d2b2a;
}
:root[data-theme="dark"] .paper:hover { box-shadow: 0 6px 24px rgba(0, 0, 0, .25); }
:root[data-theme="dark"] .gallery img { opacity: .94; }
.img-dark { display: none; }
:root[data-theme="dark"] .img-light { display: none; }
:root[data-theme="dark"] .img-dark { display: block; }

/* theme toggle */
.theme-toggle { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; padding: 6px 12px; font: 600 .82rem var(--sans); color: var(--ink-2); background: var(--surface); border: 1px solid var(--line); border-radius: 999px; cursor: pointer; }
.theme-toggle:hover { border-color: var(--turq); color: var(--turq-deep); }
.theme-toggle__icon { width: 14px; height: 14px; border-radius: 50%; background: linear-gradient(90deg, var(--ink) 50%, transparent 50%); border: 1.5px solid var(--ink); }

@media (max-width: 900px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .side { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--line); padding: 32px 22px 22px; text-align: center; }
  .side__photo { margin: 0 auto 18px; width: 140px; height: 140px; }
  .side__ur { text-align: center; }
  .side__nav { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 4px; margin-bottom: 16px; }
  .side__nav a { margin: 0; }
  .side__links { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 6px 14px; }
  .main { padding: 32px 20px; }
  .lede { font-size: 1.35rem; }
  .paper { grid-template-columns: 1fr; padding: 18px; }
  .paper__fig { max-width: 420px; }
  .paper__math { padding: 4px 10px 8px; }
  .paper__math .katex-display .katex { font-size: .86em; }
  .hl__math .katex-display .katex { font-size: .84em; }
  .hl { grid-template-columns: minmax(0, 1fr); }
}