/* ==========================================================
   Mirsaidov I.T. — A4 portfolio (screen preview + print + PDF)
   Kept free of backdrop-filter / masks / blend modes so html2canvas
   renders the PDF exactly like the preview.
   ========================================================== */
@page { size: A4; margin: 0; }

:root {
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Manrope", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --glyph: "Segoe UI Symbol", "Apple Symbols", "DejaVu Sans", serif;
  --red: #c21f3a;
  --green: #2fbf7f;
}

/* Page themes */
.sheets {
  --bg: #0b0b0c;
  --bg-2: #141417;
  --ink: #ecebe7;
  --ink-2: #a9a8ad;
  --ink-3: #6c6b71;
  --line: rgba(255, 255, 255, 0.1);
  --line-2: rgba(255, 255, 255, 0.18);
  --red-soft: rgba(194, 31, 58, 0.16);
  --green-soft: rgba(47, 191, 127, 0.12);
  --green-ink: #2fbf7f;
  --sq-dark: #3a0911;
  --sq-light: #4a4a50;
  --pc-white: #d8d6d0;
  --pc-black: #0d0d10;
}
.sheets.is-light {
  --bg: #ffffff;
  --bg-2: #f4f3f0;
  --ink: #141416;
  --ink-2: #4a4a50;
  --ink-3: #85848a;
  --line: rgba(0, 0, 0, 0.1);
  --line-2: rgba(0, 0, 0, 0.18);
  --red-soft: rgba(194, 31, 58, 0.08);
  --green-soft: rgba(19, 92, 62, 0.07);
  --green-ink: #13784e;
  --sq-dark: #8e2a3a;
  --sq-light: #e3e1dc;
  --pc-white: #ffffff;
  --pc-black: #121214;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: #2a2a2e;
  color: #ecebe7;
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}
h1, h2, h3, h4, p { margin: 0; font-weight: 500; }
a { color: inherit; text-decoration: none; }

/* ---------- Toolbar (screen only) ---------- */
.toolbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 12px 24px;
  background: #0a0a0b; border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
}
.tb-back { color: #a9a8ad; transition: color .2s; }
.tb-back:hover { color: #fff; }
.tb-title { display: flex; align-items: center; gap: 10px; color: #a9a8ad; }
.tb-title b { color: #fff; font-weight: 600; }
.tb-glyph { font-family: var(--glyph); font-size: 18px; color: var(--red); }
.tb-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tb-seg { display: flex; padding: 3px; border: 1px solid rgba(255,255,255,0.14); border-radius: 100px; }
.tb-seg button, .tb-btn {
  font: inherit; font-size: 13px; cursor: pointer; color: #a9a8ad;
  background: none; border: 0; border-radius: 100px; padding: 7px 14px; transition: all .2s;
}
.tb-seg button small { opacity: .6; }
.tb-seg button.is-active { background: #ecebe7; color: #0a0a0b; }
.tb-btn { border: 1px solid rgba(255,255,255,0.14); color: #fff; padding: 9px 18px; }
.tb-btn:hover { border-color: var(--green); color: var(--green); }
.tb-btn--primary { background: var(--red); border-color: var(--red); }
.tb-btn--primary:hover { background: #d62a47; border-color: #d62a47; color: #fff; }
.tb-btn:disabled { opacity: .6; cursor: progress; }
.tb-progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; }
.tb-progress i { display: block; height: 100%; width: 0; background: var(--green); transition: width .3s; }

/* ---------- Sheets ---------- */
.sheets { display: grid; justify-content: center; gap: 28px; padding: 32px 16px 80px; overflow-x: auto; }
.page {
  position: relative; overflow: hidden;
  width: 210mm; height: 297mm;
  background: var(--bg); color: var(--ink);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6);
  font-size: 9.6pt; line-height: 1.55;
}
.page__inner { position: absolute; inset: 0; padding: 20mm 17mm 20mm; display: flex; flex-direction: column; }
.page__body { flex: 1; min-height: 0; overflow: hidden; }

.mono { font-family: var(--mono); letter-spacing: 0.02em; }
.glyph { font-family: var(--glyph); font-variant-emoji: text; }

/* Running header / footer */
.run-head {
  position: absolute; left: 17mm; right: 17mm; top: 9mm;
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 2.5mm; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 6.8pt; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-3);
}
.run-head b { color: var(--ink); font-family: var(--serif); font-size: 11pt; letter-spacing: 0; text-transform: none; font-weight: 600; }
.run-head b em { color: var(--red); font-weight: 500; }
.run-foot {
  position: absolute; left: 17mm; right: 17mm; bottom: 9mm;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 6.8pt; letter-spacing: 0.14em; color: var(--ink-3);
}
.run-foot .pn b { color: var(--red); font-weight: 500; }

/* Section heading */
.sec { margin: 0 0 6mm; }
.sec:not(:first-child) { margin-top: 9mm; }
.sec__idx { font-family: var(--mono); font-size: 7pt; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); }
.sec__idx b { color: var(--red); font-weight: 500; text-transform: none; }
.sec__title { font-family: var(--serif); font-size: 30pt; line-height: 1; letter-spacing: -0.01em; margin-top: 2mm; }
.sec__sub { color: var(--ink-2); margin-top: 2.5mm; max-width: 140mm; }

/* ---------- Cover ---------- */
.cover .page__inner { padding: 16mm 17mm 14mm; }
.cover__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(90mm 90mm at 92% 55%, var(--red-soft), transparent 70%),
    radial-gradient(80mm 80mm at 10% 100%, var(--green-soft), transparent 70%);
}
.cover__top { position: relative; display: flex; justify-content: space-between; align-items: center; }
.cover__logo { display: flex; align-items: center; gap: 3mm; font-family: var(--serif); font-size: 14pt; font-weight: 600; }
.cover__logo em { color: var(--red); font-weight: 500; }
.cover__logo .glyph { display: grid; place-items: center; width: 9mm; height: 9mm; border: 1px solid var(--line-2); border-radius: 50%; font-size: 13pt; }
.cover__tag { font-family: var(--mono); font-size: 7pt; letter-spacing: 0.2em; color: var(--ink-3); text-transform: uppercase; }

.cover__eyebrow { position: relative; margin-top: 20mm; display: flex; align-items: center; gap: 2.5mm; font-family: var(--mono); font-size: 7.5pt; letter-spacing: 0.18em; color: var(--ink-2); text-transform: uppercase; }
.dot { display: inline-block; width: 2mm; height: 2mm; border-radius: 50%; background: var(--green); }
.cover__name { position: relative; margin-top: 5mm; font-family: var(--serif); font-size: 76pt; line-height: 0.86; letter-spacing: -0.02em; }
.cover__name em { display: block; color: var(--red); font-style: italic; padding-left: 16mm; }
.cover__lead { position: relative; margin-top: 7mm; max-width: 80mm; color: var(--ink-2); font-size: 10.5pt; }

.cover__board { position: absolute; right: 15mm; top: 122mm; width: 94mm; }
.board {
  display: grid; grid-template-columns: repeat(8, 1fr);
  border: 1px solid var(--green); padding: 1.2mm; background: var(--bg);
}
.sq { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.sq--d { background: var(--sq-dark); }
.sq--l { background: var(--sq-light); }
.sq--from::after, .sq--to::after { content: ""; position: absolute; inset: 0; background: rgba(47,191,127,0.3); }
.sq--mate::after { content: ""; position: absolute; inset: 0; background: rgba(194,31,58,0.55); }
.pc { position: relative; z-index: 1; font-family: var(--glyph); font-variant-emoji: text; font-size: 23pt; line-height: 1; }
.pc--w { color: var(--pc-white); text-shadow: 0 0 1px #000, 0 1px 2px rgba(0,0,0,0.6); }
.pc--b { color: var(--pc-black); text-shadow: 0 0 1px rgba(255,255,255,0.55), 0 0 3px rgba(194,31,58,0.8); }
.board__coords { display: flex; justify-content: space-around; margin-top: 4.5mm; font-family: var(--mono); font-size: 6.5pt; color: var(--ink-3); }
.board__cap { margin-top: 3mm; display: flex; justify-content: space-between; gap: 4mm; font-size: 7.5pt; color: var(--ink-2); }
.board__cap b { font-family: var(--mono); color: var(--red); font-weight: 500; }

.cover__side { position: absolute; left: 17mm; top: 160mm; width: 72mm; }
.cover__side .mono { font-size: 6.8pt; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 2mm; }
.cover__moves { font-family: var(--mono); font-size: 7.4pt; line-height: 1.75; color: var(--ink-2); columns: 2; column-gap: 5mm; }
.cover__moves span { display: block; }
.cover__moves span:last-child { color: var(--red); }

.cover__stats {
  position: absolute; left: 17mm; right: 17mm; bottom: 30mm;
  display: grid; grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.cover__stats div { padding: 5mm 3mm; border-left: 1px solid var(--line); }
.cover__stats div:first-child { border-left: 0; padding-left: 0; }
.cover__stats b { display: block; font-family: var(--serif); font-size: 28pt; line-height: 1; font-weight: 500; }
.cover__stats span { display: block; margin-top: 1.5mm; font-size: 7pt; color: var(--ink-3); line-height: 1.35; }
.cover__foot {
  position: absolute; left: 17mm; right: 17mm; bottom: 12mm;
  display: flex; justify-content: space-between; gap: 6mm; font-size: 7.5pt; color: var(--ink-2);
}
.cover__foot p span { display: block; font-family: var(--mono); font-size: 6.5pt; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); }

/* ---------- About ---------- */
.quote { position: relative; font-family: var(--serif); font-size: 17pt; line-height: 1.22; padding-left: 7mm; border-left: 2px solid var(--red); margin-bottom: 6mm; }
.quote em { color: var(--green-ink); }
.bio p { color: var(--ink-2); margin-bottom: 2.6mm; }
.dropcap { font-family: var(--serif); font-size: 26pt; float: left; line-height: 0.9; padding: 1mm 2mm 0 0; color: var(--red); }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 0 8mm; margin-top: 4mm; border-top: 1px solid var(--line); }
.facts div { padding: 2.6mm 0; border-bottom: 1px solid var(--line); }
.facts dt { font-family: var(--mono); font-size: 6.5pt; letter-spacing: 0.15em; text-transform: uppercase; color: var(--ink-3); }
.facts dd { margin: 0.6mm 0 0; }

/* ---------- Courses ---------- */
.course { display: grid; grid-template-columns: 14mm 1fr auto; gap: 4mm; align-items: center; padding: 3.2mm 0; border-bottom: 1px solid var(--line); }
.course:first-child { border-top: 1px solid var(--line); }
.course .glyph { font-size: 24pt; line-height: 1; color: var(--red); text-align: center; }
.course:nth-child(even) .glyph { color: var(--green-ink); }
.course h4 { font-family: var(--serif); font-size: 14pt; line-height: 1.1; }
.course p { color: var(--ink-2); font-size: 8.6pt; margin-top: 0.8mm; }
.course .role { font-family: var(--mono); font-size: 6.3pt; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); text-align: right; max-width: 34mm; }

/* ---------- Methods ---------- */
.methods { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4mm; }
.method { position: relative; overflow: hidden; padding: 5mm 5mm 14mm; border: 1px solid var(--line); border-radius: 4mm; background: var(--bg-2); min-height: 62mm; }
.method--red { background: linear-gradient(160deg, var(--red-soft), var(--bg-2) 70%); }
.method--green { background: linear-gradient(160deg, var(--green-soft), var(--bg-2) 70%); }
.method .tag { font-family: var(--mono); font-size: 6.3pt; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); }
.method h4 { font-family: var(--serif); font-size: 22pt; line-height: 1; margin: 3mm 0 1mm; }
.method .sub { font-family: var(--mono); font-size: 6.5pt; color: var(--ink-2); margin-bottom: 2mm; }
.method p { color: var(--ink-2); font-size: 8.4pt; margin-top: 2mm; }
.method .glyph { position: absolute; right: 3mm; bottom: -5mm; font-size: 44pt; line-height: 1; color: var(--line-2); }

.rep { border-top: 1px solid var(--line); }
.rep div { display: grid; grid-template-columns: 10mm 1fr; padding: 2.8mm 0; border-bottom: 1px solid var(--line); }
.rep span { grid-row: span 2; font-family: var(--mono); font-size: 7pt; color: var(--red); padding-top: 0.6mm; }
.rep b { font-weight: 600; font-size: 10pt; }
.rep i { font-style: normal; color: var(--ink-3); font-size: 8.4pt; }

.project { display: grid; grid-template-columns: 1.1fr 1fr; gap: 7mm; padding: 7mm; border: 1px solid var(--line); border-radius: 5mm;
  background: radial-gradient(70mm 50mm at 100% 0%, var(--green-soft), transparent 70%), radial-gradient(70mm 50mm at 0% 100%, var(--red-soft), transparent 70%), var(--bg-2); }
.project .label { font-family: var(--mono); font-size: 6.5pt; letter-spacing: 0.16em; text-transform: uppercase; color: var(--green-ink); }
.project h4 { font-family: var(--serif); font-size: 22pt; line-height: 1; margin: 2mm 0 3mm; }
.project p { color: var(--ink-2); font-size: 8.6pt; }
.project .stack p { font-family: var(--mono); font-size: 6.3pt; letter-spacing: 0.15em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 1.5mm; }
.project .stack > div + div { margin-top: 3.5mm; }

.chips { display: flex; flex-wrap: wrap; gap: 1.6mm; }
.chips span { padding: 1.1mm 3mm; border: 1px solid var(--line-2); border-radius: 10mm; font-size: 7.6pt; }
.chips--mono span { font-family: var(--mono); font-size: 7pt; color: var(--ink-2); }

.lab { display: grid; grid-template-columns: 1fr 52mm; gap: 7mm; align-items: start; }
.lab p { color: var(--ink-2); }
.lab__label { font-family: var(--mono); font-size: 6.5pt; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); margin: 4mm 0 2mm; }
.mind { position: relative; width: 52mm; height: 52mm; }
.mind svg { width: 100%; height: 100%; }

/* ---------- Timeline ---------- */
.tl { position: relative; }
.tl::before { content: ""; position: absolute; left: 17mm; top: 0; bottom: 0; width: 1px; background: var(--line-2); }
.tl--last::before { bottom: auto; height: 4mm; background: var(--red); }
.tl__row { position: relative; display: grid; grid-template-columns: 17mm 1fr; gap: 7mm; padding: 2.8mm 0; }
.tl__row::before { content: ""; position: absolute; left: calc(17mm - 1.1mm); top: 4.1mm; width: 2.2mm; height: 2.2mm; border-radius: 50%; background: var(--bg); border: 1px solid var(--ink-2); }
.tl--last .tl__row::before { background: var(--red); border-color: var(--red); }
.tl .y { font-family: var(--mono); font-size: 8pt; color: var(--ink-2); padding-top: 0.6mm; }
.tl--last .y { color: var(--red); }
.tl h4 { font-family: var(--serif); font-size: 13.5pt; line-height: 1.15; }
.tl p { color: var(--ink-2); font-size: 8.4pt; }

/* ---------- Publications ---------- */
.pgroup { display: flex; align-items: baseline; justify-content: space-between; margin: 5mm 0 1mm; padding-bottom: 1.5mm; border-bottom: 1px solid var(--line-2); }
.pgroup h4 { font-family: var(--serif); font-size: 15pt; }
.pgroup span { font-family: var(--mono); font-size: 7pt; color: var(--red); }
.pub { display: grid; grid-template-columns: 8mm 1fr 14mm; gap: 3mm; padding: 2.4mm 0; border-bottom: 1px solid var(--line); }
.pub .n { font-family: var(--mono); font-size: 7.4pt; color: var(--red); padding-top: 0.5mm; }
.pub h5 { margin: 0; font-family: var(--serif); font-size: 11pt; line-height: 1.22; font-weight: 600; }
.pub .v { color: var(--ink-2); font-size: 7.8pt; margin-top: 0.8mm; line-height: 1.45; }
.pub .a { color: var(--ink-3); font-size: 7.4pt; margin-top: 0.4mm; }
.pub .a b { color: var(--ink); font-weight: 600; }
.pub .a a { color: var(--green-ink); }
.pub .yr { font-family: var(--serif); font-size: 14pt; text-align: right; line-height: 1.1; }

/* ---------- Closing ---------- */
.closing { margin-top: 10mm; padding: 9mm; border-radius: 5mm; border: 1px solid var(--line); text-align: center;
  background: radial-gradient(80mm 40mm at 50% 0%, var(--red-soft), transparent 70%), var(--bg-2); }
.closing h3 { font-family: var(--serif); font-size: 30pt; line-height: 1; }
.closing h3 em { color: var(--red); }
.closing p { color: var(--ink-2); margin: 3mm auto 0; max-width: 120mm; }
.closing .contacts { display: flex; justify-content: center; flex-wrap: wrap; gap: 3mm 8mm; margin-top: 5mm; font-size: 8.4pt; }
.closing .contacts span { display: block; font-family: var(--mono); font-size: 6.3pt; letter-spacing: 0.15em; text-transform: uppercase; color: var(--ink-3); }

/* ---------- Print ---------- */
@media print {
  body { background: none; }
  .toolbar { display: none; }
  .sheets { display: block; padding: 0; gap: 0; overflow: visible; }
  .page { box-shadow: none; break-after: page; page-break-after: always; }
  .page:last-child { break-after: auto; page-break-after: auto; }
}