/* ==========================================================================
   Adnan Armouti — site styles

   One column, one typeface, tiles for the work. Colour comes from my ECCV
   poster (carnelian #b31b1b on a warm ground).
   ========================================================================== */

/* --- Tokens ------------------------------------------------------------- */

:root {
  --paper:  #f7f6f4;
  --panel:  #fbfbfc;
  --ink:    #17161a;
  --ink-2:  #55525c;
  --ink-3:  #8b8892;
  --rule:   #e5e2dd;
  --rule-2: #cdc8c1;
  --mark:   #b31b1b;
  --chip:   #eeeef1;
  --radius: 10px;
  --radius-chip: 5px;
  --lift:   0 1px 2px rgba(23, 22, 26, .04);
  --lift-2: 0 4px 14px rgba(23, 22, 26, .07);

  --sans: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;

  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px;
  --s5: 24px; --s6: 32px; --s7: 48px; --s8: 72px;

  --shell: 820px;
  --ease: 160ms cubic-bezier(.4, 0, .2, 1);
}

:root[data-mode="night"] {
  --paper: #131316; --panel: #1b1b1f;
  --ink:   #ecebee; --ink-2: #a3a0aa; --ink-3: #6e6b76;
  --rule:  #2b2b32; --rule-2: #3d3d47;
  --mark:  #e05252;
  --chip:  #26262d;
  --lift:  0 1px 3px rgba(0, 0, 0, .34);
  --lift-2: 0 6px 20px rgba(0, 0, 0, .5);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-mode="day"]) {
    --paper: #131316; --panel: #1b1b1f;
    --ink:   #ecebee; --ink-2: #a3a0aa; --ink-3: #6e6b76;
    --rule:  #2b2b32; --rule-2: #3d3d47;
    --mark:  #e05252;
    --chip:  #26262d;
    --lift:  0 1px 3px rgba(0, 0, 0, .34);
    --lift-2: 0 6px 20px rgba(0, 0, 0, .5);
  }
}

/* --- Base --------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }
a, button { -webkit-tap-highlight-color: transparent; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--mark); outline-offset: 2px; border-radius: 2px; }
html { scroll-behavior: smooth; }
body {
  margin: 0 auto;
  max-width: var(--shell);
  padding: var(--s5) var(--s5) var(--s8);
  background: var(--paper);
  color: var(--ink);
  font: 400 15px/1.62 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }

/* One link treatment for running text, used everywhere prose appears. */
a { color: inherit; }
.prose a, .ledger-what a, .lede a {
  color: var(--mark);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--ease), text-decoration-color var(--ease);
}
.prose a:hover, .ledger-what a:hover, .lede a:hover {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
.prose strong, .lede strong { font-weight: 600; color: var(--ink); }

/* --- Masthead ----------------------------------------------------------- */

/* Identity sits beside the bio rather than above it: the bio's natural
   measure left the right half of the page empty and pushed the work down. */
.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 238px;
  gap: var(--s6);
  align-items: start;
  margin-bottom: var(--s6);
}

.portrait {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 4px;
}
.masthead h1 { margin: 0 0 var(--s3); font-size: 36px; font-weight: 600; letter-spacing: -.025em; line-height: 1.12; }
.prose .role, .lede .role { margin: 0 0 12px; font-size: 13.5px; font-style: italic; line-height: 1.6; color: var(--ink-2); }
.role a { color: var(--mark); font-weight: 500; text-decoration: none; }
.role a:hover { text-decoration: underline; text-underline-offset: 2px; }

/* Nav centred in the page; the mode switch takes the right corner. The empty
   first column is what keeps the nav optically centred. */
.topbar {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 28px;
  margin-bottom: var(--s5);
  /* The switch is out of flow, so the centred nav would otherwise grow
     underneath it. Reserving its width on BOTH sides keeps the nav centred
     on the page while making a collision impossible at any width or zoom. */
  padding: 0 44px;
}
.nav { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s5); }
.topbar .mode { position: absolute; right: 0; top: 50%; transform: translateY(-50%); }

/* Nav links carry a 3px pad plus a 2px underline, so their box centre sits
   below their text centre. Lift the switch to match — but only where that
   inline nav exists; below 420px it is a dropdown and the switch should
   simply centre on the bar, level with the menu button. */
@media (min-width: 420px) {
  .topbar .mode { padding-bottom: 7px; }
}
.nav-toggle {
  display: none;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  color: var(--ink-2);
  transition: color var(--ease);
}
@media (hover: hover) { .nav-toggle:hover { color: var(--mark); } }
.nav-toggle svg { width: 19px; height: 19px; display: block; }

.nav a {
  font-size: 13.5px;
  color: var(--ink-2);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}
@media (hover: hover) { .nav a:hover { color: var(--ink); } }
.nav a[aria-current="page"] { color: var(--mark); border-bottom-color: var(--mark); }

/* --- Prose + contact ---------------------------------------------------- */

.prose p { margin: 0 0 var(--s3); color: var(--ink-2); }
.prose p:last-child { margin-bottom: 0; }

.contact {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s4);
  margin: var(--s4) 0 0;
  padding: 0;
  list-style: none;
}
.contact a {
  display: block;
  color: var(--ink-3);
  transition: color var(--ease);
}
@media (hover: hover) { .contact a:hover { color: var(--mark); } }
.contact svg { width: 17px; height: 17px; display: block; }

/* Crescent while light, sun while dark — the glyph shows what you'd switch to. */
.mode {
  display: inline-flex; align-items: center;
  padding: 0; border: 0; background: none; cursor: pointer;
  color: var(--ink-3);
  transition: color var(--ease);
}
@media (hover: hover) { .mode:hover { color: var(--mark); } }
.mode svg { width: 17px; height: 17px; display: block; }
.mode .i-sun { display: none; }
:root[data-mode="night"] .mode .i-sun  { display: block; }
:root[data-mode="night"] .mode .i-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-mode="day"]) .mode .i-sun  { display: block; }
  :root:not([data-mode="day"]) .mode .i-moon { display: none; }
}

/* --- Section rubric ----------------------------------------------------- */

section { margin-top: var(--s7); }
.masthead + section { margin-top: var(--s6); }

.rubric {
  display: flex; align-items: center; gap: var(--s3);
  margin: 0 0 var(--s5);
  font-size: 12px; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-3);
}
.rubric::before { content: ""; width: 3px; height: 13px; background: var(--mark); flex: none; }
.rubric::after  { content: ""; flex: 1; height: 1px; background: var(--rule); }
.rubric .more {
  order: 1;                 /* sits after the rule, hard against the right */
  font-weight: 500; letter-spacing: .06em;
  color: var(--mark); text-decoration: none;
  transition: opacity var(--ease);
  opacity: .9;
}
.rubric .more:hover { opacity: 1; text-decoration: underline; text-underline-offset: 3px; }

/* --- News: a short scrolling ledger ------------------------------------- */

.ledger {
  max-height: 176px;
  overflow-y: auto;
  padding-right: var(--s3);
  -webkit-mask-image: linear-gradient(to bottom, #000 86%, transparent 100%);
          mask-image: linear-gradient(to bottom, #000 86%, transparent 100%);
  transition: mask-image .15s linear;
}
/* Lift the fade at the end of the list, so the last entry stays readable. */
.ledger.at-end, .ledger.no-overflow { -webkit-mask-image: none; mask-image: none; }
.ledger::-webkit-scrollbar { width: 5px; }
.ledger::-webkit-scrollbar-thumb { background: var(--rule-2); border-radius: 3px; }

.ledger-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: var(--s4);
  padding: var(--s3) 0;
  border-bottom: 1px dashed var(--rule);
  font-size: 14px;
}
.ledger-row:first-child { padding-top: 0; }
.ledger-row:last-child { border-bottom: 0; }
.ledger-when { font-size: 12.5px; font-weight: 500; line-height: 1.6; color: var(--ink-3); white-space: nowrap; }
.ledger-what { color: var(--ink-2); }
.ledger-what a { color: var(--ink); font-weight: 500; }

/* --- Work tiles --------------------------------------------------------- */

.worklist, .recordlist { display: grid; gap: var(--s4); }

.entry, .record {
  padding: var(--s4) var(--s5);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--lift);
  transition: box-shadow var(--ease), transform var(--ease);
}
@media (hover: hover) {
  .entry:hover, .record:hover {
    box-shadow: var(--lift-2);
    transform: translateY(-1px);
  }
}

/* Left column stacks venue over figure; the body spans both rows so the
   title starts level with the venue instead of hanging below it. */
.entry {
  display: grid;
  grid-template-columns: 188px minmax(0, 1fr);
  grid-template-rows: auto 1fr;
  column-gap: var(--s5);
  row-gap: var(--s2);
}
.entry-venue { grid-column: 1; grid-row: 1; }
.entry-fig   { grid-column: 1; grid-row: 2; }
.entry-body  { grid-column: 2; grid-row: 1 / span 2; }
.entry-venue {
  display: block;
  font-size: 12.5px; font-weight: 600; line-height: 1.25;
  letter-spacing: .07em; text-transform: uppercase;
  color: var(--mark);
}
.entry-title {
  display: block; margin-bottom: 5px;
  font-size: 15px; font-weight: 600; line-height: 1.42;
  color: var(--ink); text-decoration: none;
  transition: color var(--ease);
}
.entry-title:hover { color: var(--mark); }

.entry-authors { margin: 0 0 var(--s2); font-size: 13.5px; line-height: 1.55; color: var(--ink-2); }
.entry-authors strong { font-weight: 600; color: var(--ink); }
.entry-authors a {
  color: inherit;
  text-decoration: none;
  transition: color var(--ease);
}
.entry-authors a:hover { color: var(--mark); }

/* Roman, not italic — a full sentence of italic fights legibility. */
.entry-note { margin: 0 0 var(--s3); font-size: 13.5px; line-height: 1.55; color: var(--ink-3); }

.honour {
  display: inline-block; margin-left: var(--s2); padding: 1px 6px;
  border: 1px solid var(--mark); border-radius: 2px;
  font-size: 9.5px; font-weight: 600;
  letter-spacing: .09em; text-transform: uppercase;
  color: var(--mark); vertical-align: 1px;
}

.entry-links { display: flex; flex-wrap: wrap; gap: var(--s2); font-size: 12.5px; }
.entry-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: var(--chip);
  border-radius: var(--radius-chip);
  color: var(--ink-2);
  text-decoration: none;
  transition: background var(--ease), color var(--ease);
}
.entry-links a svg { width: 12px; height: 12px; flex: none; opacity: .75; }
@media (hover: hover) {
  .entry-links a:hover { background: var(--mark); color: #fff; }
  .entry-links a:hover svg { opacity: 1; }
}

.entry-fig {
  align-self: center;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.entry-fig img { width: 100%; height: 100%; object-fit: cover; }
.entry-fig.contain img { object-fit: contain; }

/* --- Patents ------------------------------------------------------------ */

.record-no {
  display: block; margin-bottom: 5px;
  font-size: 12.5px; font-weight: 600; line-height: 1.25;
  letter-spacing: .07em; text-transform: uppercase;
  color: var(--mark);
}
.record-title { display: block; margin-bottom: 4px; font-size: 14.5px; font-weight: 600; color: var(--ink); text-decoration: none; }
a.record-title:hover { color: var(--mark); }

/* --- Publications lede + colophon --------------------------------------- */

.lede { margin-bottom: var(--s6); }
.lede h1 + p { margin-top: var(--s4); }
.lede h1 { margin: 0 0 var(--s3); font-size: 26px; font-weight: 600; letter-spacing: -.02em; }
.lede p { margin: 0; color: var(--ink-2); }
.lede .aside { margin-top: var(--s3); font-size: 13.5px; color: var(--ink-3); }

.colophon {
  margin-top: var(--s7); padding-top: var(--s4);
  border-top: 1px solid var(--rule);
  font-size: 12.5px; color: var(--ink-3);
  text-align: center;
}

/* --- Narrow ------------------------------------------------------------- */

@media (max-width: 720px) {
  body { padding: var(--s5) var(--s5) var(--s7); }

  /* Only the text wrapper dissolves. .who stays a single grid item holding
     the portrait and glyphs together, so their spacing is fixed by the box
     model rather than by how tall the committee line happens to run. */
  .masthead {
    grid-template-columns: minmax(0, 1fr) 156px;
    column-gap: var(--s4);
    row-gap: var(--s4);
    align-items: start;
    margin-bottom: var(--s5);
  }
  .masthead > .prose { display: contents; }
  .masthead h1    { grid-column: 1; grid-row: 1; font-size: 26px; margin: 0 0 var(--s2); }
  .masthead .role { grid-column: 1; grid-row: 2; margin: 0; }
  .masthead .prose p:not(.role) { grid-column: 1 / -1; grid-row: 3; margin: 0; }
  .who { grid-column: 2; grid-row: 1 / span 2; }

  .portrait { width: 156px; }
  .who .contact {
    width: 156px;
    justify-content: space-between;
    margin: var(--s4) 0 0;
  }

  .topbar { margin-bottom: var(--s4); }
  .nav { gap: var(--s4); }

  /* Reset the desktop row/column pins, or the venue lands on top of the
     title once the grid collapses to a single column. */
  .entry {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    row-gap: var(--s3);
    padding: var(--s4);
  }
  .entry-venue { grid-column: 1; grid-row: 1; }
  .entry-fig   { grid-column: 1; grid-row: 2; width: 100%; max-width: 100%; aspect-ratio: 21 / 9; }
  .entry-body  { grid-column: 1; grid-row: 3; }

  .record { padding: var(--s4); }
  .rubric { gap: var(--s2); font-size: 11px; }
  .rubric .more { font-size: 11px; }
  .ledger-row { grid-template-columns: 76px minmax(0, 1fr); gap: var(--s3); }
  .lede h1 { font-size: 24px; }
}

/* Below ~420px the name can no longer share a row with a 156px photo, so the
   masthead stacks: name, photo + glyphs, identity lines, bio. */
@media (max-width: 419px) {
  .masthead {
    grid-template-columns: minmax(0, 1fr);
    row-gap: var(--s4);
  }
  .masthead h1 {
    grid-column: 1; grid-row: 1;
    font-size: 28px; margin: 0;
    text-align: center;
  }
  .who            { grid-column: 1; grid-row: 2; justify-self: center; }
  .masthead .role { grid-column: 1; grid-row: 3; }
  .masthead .prose p:not(.role) { grid-column: 1; grid-row: 4; margin: 0; }

  /* Three links in a centred row cannot be guaranteed to fit once the theme
     switch has its own reserved space, and wrapping them is worse than hiding
     them. Below this width the nav becomes a menu. */
  .nav-toggle { display: inline-flex; }
  .topbar { justify-content: flex-end; }
  .nav {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    z-index: 20;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    min-width: 168px;
    padding: 6px 0;
    background: var(--panel);
    border-radius: var(--radius);
    box-shadow: var(--lift-2);
  }
  .nav[data-open="true"] { display: flex; }
  .nav a {
    width: 100%;
    padding: 12px 18px;
    border-bottom: 0;
    font-size: 14px;
  }
  .nav a[aria-current="page"] { border-bottom: 0; }

  /* "All publications" drops to its own line; the rule still closes the
     label above it. A rubric without a link is untouched. */
  .rubric { gap: var(--s2); flex-wrap: wrap; row-gap: 6px; }
  .rubric .more { flex-basis: 100%; text-align: right; }

  .entry-links a { padding: 5px 9px; font-size: 12px; }
}

/* Narrower still: right-aligning the wrapped link leaves it stranded, so
   centre it under the label instead. */
@media (max-width: 340px) {
  .rubric .more { text-align: center; }
}

/* The inline nav only exists at 420px and up; scoping this stops it reaching
   into the menu below that width and stripping its horizontal padding. */
@media (hover: none) and (pointer: coarse) and (min-width: 420px) {
  .nav a { padding: 6px 0 5px; }
  /* Those touch paddings move the links' text centre, so the switch needs a
     smaller lift here than it does with the desktop paddings. */
  .topbar .mode { padding-bottom: 3px; }
}

/* Comfortable hit areas on touch, without changing how the glyphs look. */
@media (hover: none) and (pointer: coarse) {
  .contact a, .mode {
    min-width: 40px;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .contact { gap: var(--s2); margin-left: -10px; }
  .masthead .contact a { min-width: 28px; }
  .masthead .contact { gap: 0; margin-left: 0; }
  .entry-links a { padding: 7px 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 1ms !important; }
}