/* shkresurinat — an office register on squared paper.
   A ruled header bar like the top of a form, a magenta margin line, protocol numbers,
   form fields and a rubber stamp. The drawings are the only thing that is not paperwork. */
:root {
  --paper: #fbfbf8;
  --sheet: #ffffff;
  --ink: #141414;
  --graphite: #6f6f6b;
  --grid: rgba(46, 92, 190, .075);
  --accent: #ff00c8;
  --accent-soft: rgba(255, 0, 200, .07);
  --veil: rgba(251, 251, 248, .97);
  --f-sans: "IBM Plex Sans Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --s-xs: .6875rem;
  --s-sm: .8125rem;
  --s-md: 1.0625rem;
  --s-lg: 1.375rem;
  --s-xl: clamp(2.2rem, 5vw, 3.75rem);
  --gutter: clamp(16px, 4vw, 56px);
  --margin-x: clamp(28px, 3.2vw, 44px);
  --bar-h: 52px;
  color-scheme: light;
}
/* dark mode: the same register at night. The drawings stay real paper. */
:root[data-theme="dark"] {
  --paper: #121211;
  --sheet: #1b1b19;
  --ink: #ecebe5;
  --graphite: #9b9b95;
  --grid: rgba(150, 175, 255, .08);
  --accent: #ff2bd2;
  --accent-soft: rgba(255, 43, 210, .12);
  --veil: rgba(18, 18, 17, .97);
  color-scheme: dark;
}
:root[data-theme="dark"] .pencil { mix-blend-mode: screen; }
body { transition: background-color .35s ease, color .35s ease; }
* { box-sizing: border-box; }
html { scroll-padding-top: calc(var(--bar-h) + 16px); }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  color: var(--ink); font-family: var(--f-sans); font-size: var(--s-md); line-height: 1.5;
  background: var(--paper);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: inherit; }
img { max-width: 100%; height: auto; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 8px; top: 8px; z-index: 200; background: var(--sheet); padding: 4px 8px; }

/* the notebook margin */
body::before {
  content: ""; position: fixed; top: 0; bottom: 0; left: var(--margin-x); width: 1px;
  background: var(--accent); opacity: .35; pointer-events: none; z-index: 60;
}

/* ---------------------------------------------------------------- header bar (top row of a form) */
.bar {
  position: sticky; top: 0; z-index: 50; min-height: var(--bar-h);
  display: grid; grid-template-columns: auto 1fr auto auto auto; align-items: stretch;
  background: var(--sheet); border-bottom: 1px solid var(--ink);
  padding-left: calc(var(--margin-x) + 14px);
  font-family: var(--f-mono); font-size: var(--s-xs); text-transform: uppercase; letter-spacing: .04em;
}
.bar > * { display: flex; align-items: center; padding: 0 18px; border-left: 1px solid var(--ink); min-width: 0; }
.bar > .brand { border-left: 0; padding-left: 0; }
.brand { gap: 10px; text-decoration: none; text-transform: none; letter-spacing: 0; }
.brand .mark { width: 22px; height: 22px; flex: none; }
.brand .name { font-family: var(--f-sans); font-size: var(--s-lg); font-weight: 500; letter-spacing: -.01em; }
.menu { gap: 22px; }
.menu a, .langs a { text-decoration: none; }
.menu a[aria-current="page"] { color: var(--accent); }
.reg { color: var(--graphite); font-variant-numeric: tabular-nums; white-space: nowrap; }
.reg:empty { display: none; }
.langs { gap: 12px; }
.theme { padding: 0 var(--gutter) 0 16px !important; background: none; border: 0; border-left: 1px solid var(--ink) !important; cursor: pointer; }
.theme svg { width: 16px; height: 16px; display: block; transition: transform .5s cubic-bezier(.6,.05,.3,1); }
@media (hover: hover) { .theme:hover { color: var(--accent); } }
[data-theme="dark"] .theme svg { transform: rotate(180deg); }
.langs a { color: var(--graphite); }
.langs a:hover, .menu a:hover { color: var(--accent); }
.langs a[aria-current="true"] { color: var(--ink); font-weight: 500; }

main { overflow-x: clip; flex: 1; padding: clamp(28px, 5vw, 64px) var(--gutter) 64px calc(var(--margin-x) + var(--gutter)); min-width: 0; }

.foot {
  display: flex; flex-wrap: wrap; gap: 8px 28px; justify-content: space-between;
  padding: 14px var(--gutter) 18px calc(var(--margin-x) + 14px);
  border-top: 1px solid var(--ink); background: var(--sheet);
  font-family: var(--f-mono); font-size: var(--s-xs); color: var(--graphite); text-transform: uppercase; letter-spacing: .04em;
}
.foot a { text-decoration: none; color: var(--ink); }
.foot a:hover { color: var(--accent); }

/* ---------------------------------------------------------------- home: the name in the middle */
.name-home { min-height: calc(100vh - var(--bar-h) - 160px); display: flex; align-items: center; justify-content: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.home-word {
  text-decoration: none; color: var(--ink); line-height: 1;
  font-family: var(--f-sans); font-weight: 500; letter-spacing: -.03em;
  font-size: clamp(2.75rem, 7.5vw, 7rem);
}
.home-word span { display: inline-block; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 8' preserveAspectRatio='none'%3E%3Cpath d='M1 5C18 2 34 7 52 4s40 2 67-2' fill='none' stroke='%23ff00c8' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat left 100% / 0% .12em; padding-bottom: .12em; transition: background-size .5s cubic-bezier(.6,.05,.3,1); }
.home-word:hover span, .home-word:focus-visible span { background-size: 100% .12em; }
.anim .home-word span { animation: shk-rise .9s cubic-bezier(.2,.7,.2,1) .15s both; }
@keyframes shk-rise { from { opacity: 0; transform: translateY(.15em); letter-spacing: .02em; } }

/* ---------------------------------------------------------------- works: the register */
.works-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 24px; margin-bottom: 24px; }
.works-head h1, .doc-head h1 { font-size: var(--s-xl); font-weight: 500; line-height: .95; letter-spacing: -.02em; margin: 0; text-wrap: balance; }
.views { display: flex; border: 1px solid var(--ink); background: var(--sheet); }
.views button {
  border: 0; background: none; padding: 7px 14px; cursor: pointer;
  font-family: var(--f-mono); font-size: var(--s-xs); text-transform: uppercase; letter-spacing: .04em;
}
.views button + button { border-left: 1px solid var(--ink); }
.views button[aria-pressed="true"] { background: var(--ink); color: var(--sheet); }

.register { width: 100%; border-collapse: collapse; background: var(--sheet); border: 1px solid var(--ink); }
.register th, .register td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--grid); vertical-align: baseline; }
.register th {
  font-family: var(--f-mono); font-weight: 400; font-size: var(--s-xs); text-transform: uppercase; letter-spacing: .05em;
  color: var(--graphite); border-bottom: 1px solid var(--ink);
}
.register th button { border: 0; background: none; padding: 0; cursor: pointer; text-transform: inherit; letter-spacing: inherit; color: inherit; }
.register th button::after { content: " ↕"; opacity: .5; }
.register th button[data-dir="asc"]::after { content: " ↑"; opacity: 1; color: var(--accent); }
.register th button[data-dir="desc"]::after { content: " ↓"; opacity: 1; color: var(--accent); }
.register td { font-family: var(--f-mono); font-size: var(--s-sm); font-variant-numeric: tabular-nums; color: var(--graphite); }
.register td + td, .register th + th { border-left: 1px solid var(--grid); }
.register .c-no { color: var(--accent); white-space: nowrap; width: 1%; }
.register .c-name { font-family: var(--f-sans); font-size: var(--s-lg); color: var(--ink); line-height: 1.2; }
.register .c-name a { text-decoration: none; }
.register .c-n, .register .c-year { width: 1%; white-space: nowrap; }
.register tbody tr { cursor: pointer; transition: background .15s; }
.register tbody tr:hover, .register tbody tr:focus-within { background: var(--accent-soft); }
.register tbody tr:hover .c-name a { color: var(--accent); }

/* the drawing that follows the pointer over the register */
.peek {
  position: fixed; left: 0; top: 0; z-index: 70; width: 260px; height: auto; pointer-events: none;
  background: var(--sheet); padding: 8px; box-shadow: 0 1px 2px rgba(0,0,0,.08), 0 14px 34px rgba(0,0,0,.16);
  opacity: 0; transform: translate(-50%, -50%) scale(.9) rotate(-2deg); transition: opacity .2s, transform .2s;
}
.peek.on { opacity: 1; transform: translate(var(--px, -50%), var(--py, -50%)) rotate(var(--pr, -2deg)); }
.peek:not([src]) { display: none; }

.sheetgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 26px 20px; }
.cell { display: flex; flex-direction: column; gap: 6px; text-decoration: none; min-width: 0; }
.cell img {
  width: 100%; aspect-ratio: 1; object-fit: contain; background: var(--sheet) center / cover no-repeat;
  padding: 8px; box-shadow: 0 0 0 1px var(--grid); transition: transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s;
}
.cell:hover img { transform: rotate(-1.2deg) translateY(-3px); box-shadow: 0 0 0 1px var(--ink), 0 10px 24px rgba(0,0,0,.1); }
.cell .cap { font-family: var(--f-mono); font-size: var(--s-xs); text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--graphite); }
.cell .cap b { color: var(--accent); font-weight: 500; }
.cell:hover .cap { color: var(--ink); }

/* ---------------------------------------------------------------- project: a filed document */
.doc-head {
  position: relative; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 8px 48px;
  padding-bottom: 28px; margin-bottom: 28px; border-bottom: 1px solid var(--ink);
}
.doc-no { grid-column: 1; margin: 0; font-family: var(--f-mono); font-size: var(--s-sm); color: var(--accent); }
.doc-head h1 { grid-column: 1; }
.doc-head .notes { grid-column: 1; margin: 14px 0 0; max-width: 60ch; font-size: var(--s-md); white-space: pre-line; }
.doc-head .fields { grid-column: 2; grid-row: 2 / span 2; align-self: start; margin-top: 18px; }
.doc-head .stamp { grid-column: 2; grid-row: 1 / span 2; justify-self: end; align-self: start; position: relative; z-index: 2; margin: -14px 6px 0 0; }

.fields { margin: 0; display: grid; gap: 0; background: var(--sheet); border: 1px solid var(--ink); }
.fields > div { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); border-bottom: 1px solid var(--grid); }
.fields > div:last-child { border-bottom: 0; }
.fields dt, .fields dd { margin: 0; padding: 8px 12px; }
.fields dt { font-family: var(--f-mono); font-size: var(--s-xs); text-transform: uppercase; letter-spacing: .05em; color: var(--graphite); border-right: 1px solid var(--grid); padding-top: 10px; }
.fields dd { font-size: var(--s-md); overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }

.viewer { position: relative; display: flex; justify-content: center; align-items: center; min-height: 40vh; }
.viewer .nav {
  position: absolute; top: 50%; z-index: 5; transform: translateY(-50%);
  width: 44px; height: 64px; border: 1px solid var(--ink); background: var(--sheet); cursor: pointer;
  font-family: var(--f-mono); font-size: var(--s-lg); color: var(--accent);
}
.viewer .nav:hover { background: var(--ink); color: var(--sheet); }
.viewer .prev { left: 0; } .viewer .next { right: 0; }
.js .viewer .nav[hidden] { display: none; }
.slides { display: flex; flex-direction: column; align-items: center; gap: 48px; width: 100%; padding: 0 56px; }
.slide { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 10px; max-width: 100%; }
.slide img {
  max-height: min(72vh, 760px); width: auto; display: block;
  background: var(--sheet) center / cover no-repeat; box-shadow: 0 1px 2px rgba(0,0,0,.06), 0 10px 30px rgba(0,0,0,.08);
}
.slides.ready .slide { display: none; }
.slides.ready .slide.on { display: flex; }
.slides.ready img { cursor: zoom-in; }
.slide figcaption { font-family: var(--f-mono); font-size: var(--s-xs); color: var(--graphite); text-align: center; text-transform: uppercase; letter-spacing: .04em; display: flex; flex-direction: column; gap: 2px; }
.slide figcaption span + span { color: var(--ink); text-transform: none; letter-spacing: 0; font-family: var(--f-sans); font-size: var(--s-sm); }

.strip { list-style: none; margin: 22px 0 0; padding: 4px 2px 10px; display: flex; gap: 8px; overflow-x: auto; scrollbar-width: thin; }
.strip button { display: block; padding: 3px; border: 1px solid transparent; background: var(--sheet); cursor: pointer; line-height: 0; }
.strip img { height: 64px; width: auto; max-width: none; opacity: .55; transition: opacity .2s; background: center / cover no-repeat; }
.strip button:hover img, .strip button[aria-current="true"] img { opacity: 1; }
.strip button[aria-current="true"] { border-color: var(--accent); }
html:not(.js) .strip { display: none; }

.pn { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; border-top: 1px solid var(--ink); padding-top: 14px; }
.pn a { text-decoration: none; display: flex; flex-direction: column; gap: 2px; font-size: var(--s-lg); line-height: 1.2; }
.pn a span { font-family: var(--f-mono); font-size: var(--s-xs); color: var(--accent); }
.pn a:hover { color: var(--accent); }
.pn-next { text-align: right; align-items: flex-end; }

/* the rubber stamp */
.stamp {
  padding: 8px 14px; border: 2.5px solid var(--accent); border-radius: 4px; outline: 1px solid var(--accent); outline-offset: 3px;
  color: var(--accent); font-family: var(--f-mono); text-transform: uppercase; letter-spacing: .12em; font-weight: 500; font-size: .7rem; line-height: 1.35;
  display: flex; flex-direction: column; align-items: center; transform: rotate(-7deg); opacity: .82;
  mix-blend-mode: multiply; filter: url(#ink); user-select: none; background: transparent;
}
.stamp .s-name { font-size: .8rem; letter-spacing: .16em; }
.stamp .s-no { border-top: 1.5px solid var(--accent); border-bottom: 1.5px solid var(--accent); padding: 1px 6px; margin: 2px 0; }

/* ---------------------------------------------------------------- about & contact: a letter */
.letter {
  max-width: 44rem; background: var(--sheet); padding: clamp(24px, 5vw, 56px);
  box-shadow: 0 1px 2px rgba(0,0,0,.06), 0 16px 40px rgba(0,0,0,.07); position: relative;
}
.letter .ref { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin: 0 0 28px; font-family: var(--f-mono); font-size: var(--s-xs); text-transform: uppercase; letter-spacing: .05em; color: var(--graphite); }
.letter .subj { margin: 0 0 22px; padding-bottom: 12px; border-bottom: 1px solid var(--ink); }
.letter .subj b { font-family: var(--f-mono); font-weight: 500; font-size: var(--s-sm); text-transform: uppercase; letter-spacing: .05em; margin-right: 6px; }
.letter p { margin: 0 0 1em; font-size: 1.1875rem; line-height: 1.55; max-width: 62ch; }
.letter .sign { text-align: right; font-style: italic; margin-top: 40px; }
.letter.contact .fields dd { user-select: all; }
.text p { max-width: 62ch; }
.empty { font-family: var(--f-mono); font-size: var(--s-xs); text-transform: uppercase; color: var(--graphite); }

/* ---------------------------------------------------------------- zoom (medium-zoom style) */
.zoom-back { position: fixed; inset: 0; z-index: 90; background: var(--veil); opacity: 0; transition: opacity .3s; cursor: zoom-out; }
.zoom-back.on { opacity: 1; }
.zoom-img { position: fixed; z-index: 91; margin: 0; cursor: zoom-out; transform-origin: 0 0; transition: transform .35s cubic-bezier(.2,.7,.2,1); box-shadow: 0 20px 60px rgba(0,0,0,.18); background: var(--sheet); }
.zoom-bar { position: fixed; z-index: 92; left: 0; right: 0; bottom: 18px; display: flex; justify-content: center; gap: 10px; opacity: 0; transition: opacity .3s; pointer-events: none; }
.zoom-bar.on { opacity: 1; pointer-events: auto; }
.zoom-bar button { border: 1px solid var(--ink); background: var(--sheet); padding: 6px 14px; cursor: pointer; font-family: var(--f-mono); font-size: var(--s-xs); text-transform: uppercase; }
.zoom-bar button:hover { background: var(--ink); color: var(--sheet); }

/* ---------------------------------------------------------------- motion */
.sheet { position: relative; display: block; max-width: 100%; line-height: 0; }
.slides img, .logo-svg { -webkit-user-drag: none; }
.anim .sheet img { clip-path: inset(0 100% 0 0); }
.anim .sheet.drawn img { clip-path: none; }
.anim .sheet.draw img { animation: shk-reveal 1.1s cubic-bezier(.65, .05, .25, 1) both; }
.anim .sheet.draw::after {
  content: ""; position: absolute; top: -8px; bottom: -8px; left: 0; width: 1px; background: var(--accent); pointer-events: none;
  animation: shk-sweep 1.1s cubic-bezier(.65, .05, .25, 1) both;
}
@keyframes shk-reveal { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes shk-sweep { 0% { left: 0; opacity: 0; } 8% { opacity: 1; } 85% { opacity: 1; } 100% { left: 100%; opacity: 0; } }

.write-name .brand .name { visibility: hidden; }
.writing .brand .caret { display: inline-block; width: 1px; height: .95em; margin-left: 2px; vertical-align: -.1em; background: var(--accent); transition: opacity .4s; }
.writing .brand .caret.done { opacity: 0; }


.menu a:not([aria-current="page"]), .pn a, .register .c-name a {
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 8' preserveAspectRatio='none'%3E%3Cpath d='M1 5C18 2 34 7 52 4s40 2 67-2' fill='none' stroke='%23ff00c8' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat left bottom / 0% 5px;
  padding-bottom: 3px; transition: background-size .38s cubic-bezier(.6, .05, .3, 1), color .2s;
}
.menu a:hover, .pn a:hover, .register tr:hover .c-name a { background-size: 100% 5px; }
.viewer .nav { transition: background .15s, color .15s, transform .2s; }
.viewer .prev:hover { transform: translate(-3px, -50%); }
.viewer .next:hover { transform: translate(3px, -50%); }

.anim .stamp { animation: shk-stamp .5s cubic-bezier(.3,1.6,.5,1) .9s both; }
@keyframes shk-stamp {
  0% { opacity: 0; transform: rotate(-16deg) scale(2.2); }
  60% { opacity: .9; transform: rotate(-6deg) scale(.94); }
  100% { opacity: .82; transform: rotate(-7deg) scale(1); }
}

.pencil { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 100; mix-blend-mode: multiply; }

@view-transition { navigation: auto; }
.bar { view-transition-name: bar; }
.foot { view-transition-name: foot; }
::view-transition-old(root) { animation: shk-out .2s ease both; }
::view-transition-new(root) { animation: shk-in .38s cubic-bezier(.2, .7, .2, 1) both; }
@keyframes shk-out { to { opacity: 0; } }
@keyframes shk-in { from { opacity: 0; transform: translateY(8px); } }

/* ---------------------------------------------------------------- small screens */
@media (max-width: 860px) {
  .bar { grid-template-columns: 1fr auto auto; padding-left: 16px; }
  .bar > * { padding: 0 12px; }
  .bar .brand { padding-left: 0; min-height: 48px; }
  .bar .menu { grid-column: 1 / -1; order: 3; border-left: 0; border-top: 1px solid var(--ink); min-height: 40px; padding-left: 0; gap: 18px; overflow-x: auto; }
  .bar .reg { display: none; }
  .theme { padding: 0 16px 0 12px !important; }
  body::before { display: none; }
  main { padding: 24px 16px 48px; }
  .foot { padding: 14px 16px 18px; }
  .doc-head { grid-template-columns: 1fr; }
  .doc-head .fields { grid-column: 1; grid-row: auto; margin-top: 16px; }
  .doc-head .stamp { grid-column: 1; grid-row: auto; justify-self: start; margin: 10px 0 0 4px; }
  .register .c-place, .register th:nth-child(4) { display: none; }
  .register th, .register td { padding: 10px 8px; }
  .register .c-name { font-size: var(--s-md); }
  .slides { padding: 0; }
  .viewer .nav { display: none; }
  .slide img { max-height: 64vh; }
  .sheetgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 12px; }
  .fields > div { grid-template-columns: 7rem minmax(0, 1fr); }
  .name-home { min-height: 56vh; }
}
@media (hover: none) { .peek { display: none; } }
@media (prefers-reduced-motion: reduce) {
  .anim .sheet img { clip-path: none !important; animation: none !important; }
  .anim .sheet::after, .pencil { display: none !important; }
  .write-name .brand .name { visibility: visible; }
  .anim .home-word span { animation: none; }
  .anim .stamp { animation: none; }
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; }
  * { transition: none !important; }
}
@media print {
  body { background: none; } body::before, .bar, .foot, .viewer .nav, .strip { display: none; }
  .slides.ready .slide { display: flex; }
}