/* ============================================================
   THE RESEARCHER — THE WORK BEHIND THE QUESTION
   Design system for Dr. Amara Okafor's research archive.
   Image-free. Typographic + SVG visual language.
   ============================================================ */

/* ---------- tokens ---------- */
:root{
  --ink:#1c1730;
  --ink-soft:#4a4360;
  --paper:#faf3e6;
  --paper-raised:#fffbf3;
  --line: rgba(28,23,48,.14);
  --line-strong: rgba(28,23,48,.28);

  --cobalt:#2b4fe0;   --cobalt-soft:#e4e9fd;
  --mango:#e2960f;    --mango-soft:#fbedd0;
  --coral:#e5503a;    --coral-soft:#fbe1da;
  --green:#28875a;    --green-soft:#dcf0e4;
  --lilac:#7a5bc7;    --lilac-soft:#ece6fa;
  --plum:#7a3a6f;     --plum-soft:#f3e2ef;
  --peach:#d98a4c;    --peach-soft:#f8e6d4;
  --red:#c93636;      --red-soft:#f8dede;

  --radius: 3px;
  --maxw: 1320px;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --header-h: 68px;
  --shadow: 0 18px 40px -20px rgba(28,23,48,.35);
}

[data-theme="dark"]{
  --ink:#f3ecd9;
  --ink-soft:#c9c0d8;
  --paper:#171225;
  --paper-raised:#1f192f;
  --line: rgba(243,236,217,.16);
  --line-strong: rgba(243,236,217,.32);

  --cobalt:#7d94ff;   --cobalt-soft:#242a4d;
  --mango:#f3b640;    --mango-soft:#3a2f16;
  --coral:#ff8a71;    --coral-soft:#3c261f;
  --green:#58c98c;    --green-soft:#1c3626;
  --lilac:#b49bff;    --lilac-soft:#2c2447;
  --plum:#e29fd4;     --plum-soft:#3a1f37;
  --peach:#f2b47f;    --peach-soft:#3a2a19;
  --red:#ff7a7a;      --red-soft:#3d1f1f;
  --shadow: 0 18px 40px -18px rgba(0,0,0,.6);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important;} }

body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--sans); font-size:17px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}

img,svg{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{margin:0; padding:0; list-style:none;}
button{font-family:inherit; cursor:pointer;}
input,textarea,select{font-family:inherit; font-size:inherit;}

h1,h2,h3,h4{font-family:var(--serif); font-weight:600; margin:0; line-height:1.08; letter-spacing:-.01em;}
p{margin:0;}

.mono{font-family:var(--mono); letter-spacing:.02em;}
.upper{text-transform:uppercase;}

/* ---------- type scale ---------- */
.t-display{ font-size:clamp(2.6rem, 3.2rem + 3vw, 6.8rem); }
.t-h1{ font-size:clamp(2.1rem, 1.8rem + 2.4vw, 4.2rem); }
.t-h2{ font-size:clamp(1.7rem, 1.5rem + 1.6vw, 3rem); }
.t-h3{ font-size:clamp(1.3rem, 1.2rem + .8vw, 1.9rem); }
.t-card{ font-size:clamp(1.1rem, 1rem + .5vw, 1.5rem); }
.t-lede{ font-size:clamp(1.05rem, 1rem + .4vw, 1.35rem); line-height:1.55; color:var(--ink-soft); }
.t-meta{ font-size:12px; letter-spacing:.08em; }
.t-mono-sm{ font-family:var(--mono); font-size:11px; letter-spacing:.06em; }

/* ---------- layout ---------- */
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }
.grid{ display:grid; grid-template-columns:repeat(12,1fr); gap:22px; }
@media (max-width:1024px){ .grid{ grid-template-columns:repeat(8,1fr); gap:18px; } .wrap{padding:0 22px;} }
@media (max-width:640px){ .grid{ grid-template-columns:repeat(4,1fr); gap:14px; } .wrap{padding:0 18px;} }

.section{ padding:88px 0; border-bottom:1px solid var(--line); }
.section-tight{ padding:56px 0; }
@media (max-width:640px){ .section{ padding:56px 0; } .section-tight{ padding:38px 0; } }
.section.raised{ background:var(--paper-raised); }

.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom:40px; flex-wrap:wrap; }
.section-head .kicker{ display:block; margin-bottom:10px; }

.kicker{ font-family:var(--mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-soft); }
.kicker .dot{ display:inline-block; width:6px; height:6px; border-radius:50%; margin-right:8px; background:currentColor; position:relative; top:-1px; }

/* ---------- color-role helpers (text/bg per taxonomy) ---------- */
.c-cobalt{color:var(--cobalt);} .bg-cobalt{background:var(--cobalt-soft); color:var(--cobalt);}
.c-mango{color:var(--mango);} .bg-mango{background:var(--mango-soft); color:var(--mango);}
.c-coral{color:var(--coral);} .bg-coral{background:var(--coral-soft); color:var(--coral);}
.c-green{color:var(--green);} .bg-green{background:var(--green-soft); color:var(--green);}
.c-lilac{color:var(--lilac);} .bg-lilac{background:var(--lilac-soft); color:var(--lilac);}
.c-plum{color:var(--plum);} .bg-plum{background:var(--plum-soft); color:var(--plum);}
.c-peach{color:var(--peach);} .bg-peach{background:var(--peach-soft); color:var(--peach);}
.c-red{color:var(--red);} .bg-red{background:var(--red-soft); color:var(--red);}

/* ---------- buttons ---------- */
.btn{ display:inline-flex; align-items:center; gap:10px; padding:14px 22px; border-radius:2px; border:1px solid var(--ink); font-family:var(--mono); font-size:12.5px; letter-spacing:.08em; text-transform:uppercase; background:transparent; color:var(--ink); transition:transform .15s ease, background .15s ease, color .15s ease; }
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--ink); color:var(--paper); }
.btn-primary:hover{ background:var(--cobalt); border-color:var(--cobalt); color:#fff; }
.btn-block{ width:100%; justify-content:center; }
.btn svg{ width:13px; height:10px; }
.btn:disabled{ opacity:.5; cursor:not-allowed; transform:none; }

.link-arrow{ display:inline-flex; align-items:center; gap:8px; font-family:var(--mono); font-size:12.5px; letter-spacing:.08em; text-transform:uppercase; border-bottom:1px solid var(--line-strong); padding-bottom:3px; }
.link-arrow svg{ width:13px; height:9px; transition:transform .15s ease; }
.link-arrow:hover svg{ transform:translateX(4px); }

/* ---------- header ---------- */
.site-header{ position:sticky; top:0; z-index:60; background:var(--paper); border-bottom:1px solid var(--line); height:var(--header-h); display:flex; align-items:center; transition:box-shadow .2s ease; }
.site-header.scrolled{ box-shadow:var(--shadow); }
.header-inner{ max-width:var(--maxw); margin:0 auto; padding:0 28px; width:100%; display:flex; align-items:center; justify-content:space-between; gap:20px; }
.wordmark{ font-family:var(--serif); font-weight:600; font-size:18px; letter-spacing:-.01em; white-space:nowrap; }
.wordmark span{ color:var(--cobalt); }
.status-chip{ display:none; }
@media (min-width:1180px){ .status-chip{ display:inline-flex; align-items:center; gap:7px; font-family:var(--mono); font-size:10.5px; letter-spacing:.08em; color:var(--ink-soft); } }
.status-chip .dot{ width:6px; height:6px; border-radius:50%; background:var(--green); box-shadow:0 0 0 3px var(--green-soft); }

.main-nav{ display:none; }
@media (min-width:980px){
  .main-nav{ display:flex; align-items:center; gap:26px; }
  .main-nav a{ font-family:var(--mono); font-size:12px; letter-spacing:.07em; text-transform:uppercase; color:var(--ink-soft); padding:6px 0; border-bottom:2px solid transparent; }
  .main-nav a:hover, .main-nav a.active{ color:var(--ink); border-color:var(--cobalt); }
}
.nav-right{ display:flex; align-items:center; gap:14px; }
.icon-btn{ background:none; border:1px solid var(--line); width:36px; height:36px; display:flex; align-items:center; justify-content:center; border-radius:2px; color:var(--ink); }
.icon-btn:hover{ border-color:var(--ink); }
.icon-btn svg{ width:16px; height:16px; }
.menu-btn{ display:flex; flex-direction:column; justify-content:center; gap:5px; width:36px; height:36px; background:none; border:1px solid var(--line); border-radius:2px; }
@media (min-width:980px){ .menu-btn{ display:none; } }
.menu-btn span{ display:block; height:1.5px; background:var(--ink); margin:0 8px; }

/* ---------- mobile nav drawer ---------- */
.mobile-menu{ position:fixed; inset:0; z-index:90; background:var(--paper); transform:translateX(100%); transition:transform .3s ease; display:flex; flex-direction:column; padding:22px; overflow-y:auto; }
.mobile-menu.open{ transform:translateX(0); }
.mobile-menu-top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:34px; }
.mobile-menu-items{ display:flex; flex-direction:column; gap:2px; }
.mobile-menu-items a{ font-family:var(--serif); font-size:1.7rem; padding:12px 0; border-bottom:1px solid var(--line); }
.mobile-menu-bottom{ margin-top:auto; padding-top:24px; display:flex; flex-direction:column; gap:14px; }
.close-x{ background:none; border:0; font-size:30px; line-height:1; color:var(--ink); }

/* ---------- footer ---------- */
.site-footer{ background:var(--ink); color:var(--paper); padding:76px 0 30px; }
[data-theme="dark"] .site-footer{ background:#0d0a16; }
.footer-top{ display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; padding-bottom:52px; border-bottom:1px solid rgba(250,243,230,.16); }
.footer-statement{ font-family:var(--serif); font-size:clamp(1.6rem,1.3rem+2vw,3rem); max-width:640px; }
.footer-cols{ display:flex; gap:56px; flex-wrap:wrap; }
.footer-col h5{ font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:rgba(250,243,230,.5); margin-bottom:14px; }
.footer-col a, .footer-col span{ display:block; padding:5px 0; font-size:14.5px; color:rgba(250,243,230,.86); }
.footer-col a:hover{ color:var(--mango); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; gap:20px; padding-top:24px; flex-wrap:wrap; font-family:var(--mono); font-size:11px; letter-spacing:.05em; color:rgba(250,243,230,.55); }
.footer-bottom a{ color:rgba(250,243,230,.7); }
.footer-bottom a:hover{ color:var(--mango); }

/* ---------- hero ---------- */
.hero{ padding:64px 0 40px; border-bottom:1px solid var(--line); }
.hero-eyebrow{ display:block; margin-bottom:22px; }
.hero h1{ max-width:15ch; }
.hero-sub{ margin-top:26px; max-width:52ch; }
.hero-cta{ display:flex; gap:16px; margin-top:34px; flex-wrap:wrap; }
.hero-diagram{ margin-top:64px; }

/* ---------- question panel ---------- */
.question-panel{ background:var(--ink); color:var(--paper); padding:64px 0; }
[data-theme="dark"] .question-panel{ background:#0d0a16; }
.question-panel .kicker{ color:var(--mango); }
.question-panel h2{ max-width:22ch; margin-top:18px; font-size:clamp(1.7rem,1.3rem+2.4vw,3.3rem); }
.qp-stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; margin-top:48px; border-top:1px solid rgba(250,243,230,.18); padding-top:30px; }
@media (max-width:640px){ .qp-stats{ grid-template-columns:repeat(2,1fr); } }
.qp-stat .num{ font-family:var(--serif); font-size:clamp(1.8rem,1.5rem+1.6vw,3rem); color:var(--mango); }
.qp-stat .lbl{ font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:rgba(250,243,230,.6); margin-top:6px; }

/* ---------- counters snapshot ---------- */
.snapshot{ display:grid; grid-template-columns:repeat(5,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
@media (max-width:900px){ .snapshot{ grid-template-columns:repeat(2,1fr); } }
.snap-cell{ background:var(--paper); padding:30px 24px; }
.snap-cell .num{ font-family:var(--serif); font-size:2.6rem; }
.snap-cell .lbl{ font-family:var(--mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-soft); margin-top:6px; }

/* ---------- research area cards ---------- */
.area-grid{ display:grid; grid-template-columns:repeat(6,1fr); gap:16px; }
@media (max-width:1024px){ .area-grid{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:640px){ .area-grid{ grid-template-columns:repeat(1,1fr); } }
.area-card{ border:1px solid var(--line); padding:22px 18px; min-height:170px; display:flex; flex-direction:column; justify-content:space-between; transition:border-color .15s ease, transform .15s ease; }
.area-card:hover{ transform:translateY(-3px); border-color:var(--line-strong); }
.area-card .swatch{ width:26px; height:26px; border-radius:50%; }
.area-card h4{ font-size:1.05rem; margin-top:16px; }
.area-card .count{ font-family:var(--mono); font-size:11px; color:var(--ink-soft); margin-top:8px; }

/* ---------- question wall ---------- */
.qwall{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
@media (max-width:760px){ .qwall{ grid-template-columns:1fr; } }
.qwall-item{ background:var(--paper); padding:30px 26px; cursor:pointer; }
.qwall-item:hover{ background:var(--paper-raised); }
.qwall-item .code{ font-family:var(--mono); font-size:11px; color:var(--mango); }
.qwall-item h4{ margin-top:12px; font-size:clamp(1.15rem,1rem+.6vw,1.5rem); max-width:34ch; }
.qwall-item .status{ margin-top:14px; display:inline-block; }

/* status pill */
.pill{ display:inline-flex; align-items:center; gap:6px; font-family:var(--mono); font-size:10.5px; letter-spacing:.06em; text-transform:uppercase; padding:5px 10px; border-radius:20px; border:1px solid var(--line-strong); }
.pill .dot{ width:6px; height:6px; border-radius:50%; background:currentColor; }

/* ---------- timeline ---------- */
.timeline{ display:flex; gap:0; overflow-x:auto; padding-bottom:14px; scrollbar-width:thin; }
.timeline::-webkit-scrollbar{ height:6px; }
.timeline::-webkit-scrollbar-thumb{ background:var(--line-strong); }
.tl-year{ min-width:240px; flex:1 0 240px; border-left:1px solid var(--line-strong); padding:0 24px 0 22px; position:relative; }
.tl-year:first-child{ border-left:2px solid var(--cobalt); }
.tl-year .yr{ font-family:var(--mono); font-size:13px; color:var(--cobalt); }
.tl-year p{ margin-top:12px; font-size:15px; color:var(--ink-soft); }
@media (max-width:760px){ .timeline{ flex-direction:column; overflow-x:visible; } .tl-year{ min-width:0; border-left:2px solid var(--line-strong); padding:0 0 30px 22px; } .tl-year:first-child{border-left:2px solid var(--cobalt);} }

/* ---------- generic row list (research index etc.) ---------- */
.row-list{ border-top:1px solid var(--line); }
.row-item{ display:grid; grid-template-columns:70px 1fr auto auto; align-items:center; gap:24px; padding:26px 4px; border-bottom:1px solid var(--line); transition:background .12s ease; }
.row-item:hover{ background:var(--paper-raised); }
.row-item .num{ font-family:var(--mono); font-size:12px; color:var(--ink-soft); }
.row-item .ttl h4{ font-size:clamp(1.15rem,1rem+.5vw,1.55rem); }
.row-item .ttl .sub{ font-family:var(--mono); font-size:11.5px; color:var(--ink-soft); margin-top:8px; letter-spacing:.02em; }
.row-item .arrow{ width:16px; height:11px; color:var(--ink-soft); }
@media (max-width:760px){ .row-item{ grid-template-columns:1fr; gap:10px; padding:20px 2px; } .row-item .arrow{ display:none; } .row-item .num{ order:-1; } }

/* ---------- filter bar ---------- */
.filter-bar{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:36px; align-items:center; }
.filter-select{ border:1px solid var(--line-strong); background:var(--paper); padding:9px 30px 9px 12px; font-family:var(--mono); font-size:11.5px; letter-spacing:.05em; text-transform:uppercase; color:var(--ink); border-radius:2px; appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='7'%3E%3Cpath d='M0 0L5 6L10 0' stroke='%231c1730' fill='none'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 10px center; }
.filter-count{ font-family:var(--mono); font-size:11px; color:var(--ink-soft); margin-left:auto; }

/* ---------- detail header ---------- */
.detail-hero{ padding:56px 0 44px; border-bottom:1px solid var(--line); }
.detail-hero .grid-head{ display:grid; grid-template-columns:120px 1fr; gap:24px; align-items:start; }
@media (max-width:640px){ .detail-hero .grid-head{ grid-template-columns:1fr; gap:14px; } }
.detail-hero .idnum{ font-family:var(--mono); font-size:14px; }
.detail-hero .tagrow{ display:flex; gap:10px; flex-wrap:wrap; margin-top:18px; }
.detail-hero .lede{ margin-top:20px; max-width:60ch; }
.meta-strip{ display:flex; gap:34px; flex-wrap:wrap; margin-top:30px; padding-top:26px; border-top:1px solid var(--line); }
.meta-strip .m-lbl{ font-family:var(--mono); font-size:10.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-soft); }
.meta-strip .m-val{ margin-top:5px; font-size:15px; }

/* ---------- highlighted editorial block ---------- */
.editorial-block{ border-left:3px solid var(--cobalt); padding:6px 0 6px 26px; margin:8px 0; }
.editorial-block.mango{ border-color:var(--mango); }
.editorial-block.coral{ border-color:var(--coral); }
.editorial-block.lilac{ border-color:var(--lilac); }
.editorial-block .lbl{ margin-bottom:10px; }
.editorial-block p{ font-family:var(--serif); font-size:clamp(1.2rem,1.05rem+.6vw,1.6rem); line-height:1.4; }

/* ---------- method chips ---------- */
.chip-row{ display:flex; gap:10px; flex-wrap:wrap; }
.method-chip{ display:inline-flex; align-items:center; gap:8px; border:1px solid var(--line-strong); padding:9px 14px; font-family:var(--mono); font-size:11.5px; letter-spacing:.03em; border-radius:20px; }
.method-chip:hover{ border-color:var(--lilac); color:var(--lilac); }

/* ---------- finding card ---------- */
.finding{ border:1px solid var(--line); padding:28px; margin-bottom:18px; }
.finding-top{ display:flex; align-items:flex-start; justify-content:space-between; gap:20px; flex-wrap:wrap; }
.finding h4{ font-size:clamp(1.2rem,1.05rem+.5vw,1.6rem); max-width:52ch; }
.evidence-btn{ margin-top:18px; }
.evidence-panel{ max-height:0; overflow:hidden; transition:max-height .35s ease; }
.evidence-panel.open{ max-height:600px; }
.evidence-inner{ margin-top:20px; padding-top:20px; border-top:1px dashed var(--line-strong); display:grid; grid-template-columns:repeat(2,1fr); gap:18px 26px; }
@media (max-width:640px){ .evidence-inner{ grid-template-columns:1fr; } }
.ev-field .m-lbl{ font-family:var(--mono); font-size:10.5px; letter-spacing:.07em; text-transform:uppercase; color:var(--ink-soft); }
.ev-field .m-val{ margin-top:5px; font-size:14.5px; }

/* ---------- know / dont-know ---------- */
.know-grid{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); margin-top:20px; }
@media (max-width:700px){ .know-grid{ grid-template-columns:1fr; } }
.know-cell{ background:var(--paper); padding:28px; }
.know-cell .lbl{ margin-bottom:12px; }
.know-cell p{ font-size:15.5px; color:var(--ink-soft); }

/* ---------- data chart (SVG) ---------- */
.chart-card{ border:1px solid var(--line); padding:26px; }
.chart-controls{ display:flex; gap:8px; margin-bottom:20px; flex-wrap:wrap; }
.chart-toggle{ font-family:var(--mono); font-size:10.5px; letter-spacing:.05em; text-transform:uppercase; padding:6px 12px; border:1px solid var(--line-strong); border-radius:20px; background:none; color:var(--ink-soft); }
.chart-toggle.active{ background:var(--ink); color:var(--paper); border-color:var(--ink); }
.bar-row{ display:flex; align-items:center; gap:14px; margin-bottom:12px; }
.bar-row .b-lbl{ width:140px; flex:none; font-family:var(--mono); font-size:11.5px; color:var(--ink-soft); }
.bar-track{ flex:1; height:14px; background:var(--line); position:relative; border-radius:2px; overflow:hidden; }
.bar-fill{ height:100%; background:var(--green); transition:width .5s ease; }
.bar-row .b-val{ width:56px; flex:none; text-align:right; font-family:var(--mono); font-size:12px; }

/* ---------- citation modal / generic modal ---------- */
.modal-overlay{ position:fixed; inset:0; background:rgba(23,18,37,.55); z-index:120; display:none; align-items:center; justify-content:center; padding:20px; }
.modal-overlay.open{ display:flex; }
.modal-box{ background:var(--paper); max-width:560px; width:100%; max-height:85vh; overflow-y:auto; padding:34px; position:relative; box-shadow:var(--shadow); }
.modal-close{ position:absolute; top:16px; right:16px; background:none; border:0; font-size:26px; color:var(--ink); line-height:1; }
.citation-tabs{ display:flex; gap:8px; margin:18px 0; flex-wrap:wrap; }
.citation-tab{ font-family:var(--mono); font-size:11px; letter-spacing:.05em; padding:7px 13px; border:1px solid var(--line-strong); border-radius:20px; background:none; color:var(--ink-soft); }
.citation-tab.active{ background:var(--plum); color:#fff; border-color:var(--plum); }
.citation-text{ font-family:var(--mono); font-size:12.5px; line-height:1.7; background:var(--paper-raised); border:1px solid var(--line); padding:16px; white-space:pre-wrap; word-break:break-word; }

/* ---------- toast ---------- */
.toast-wrap{ position:fixed; bottom:26px; left:50%; transform:translateX(-50%); z-index:200; display:flex; flex-direction:column; gap:8px; align-items:center; }
.toast{ background:var(--ink); color:var(--paper); font-family:var(--mono); font-size:12.5px; letter-spacing:.02em; padding:12px 20px; border-radius:3px; box-shadow:var(--shadow); opacity:0; transform:translateY(10px); transition:opacity .25s ease, transform .25s ease; }
.toast.show{ opacity:1; transform:translateY(0); }

/* ---------- forms ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column:1 / -1; }
.field label{ font-family:var(--mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-soft); }
.field input, .field textarea, .field select{ border:1px solid var(--line-strong); background:var(--paper-raised); padding:13px 14px; color:var(--ink); border-radius:2px; }
.field input:focus, .field textarea:focus, .field select:focus{ outline:2px solid var(--cobalt); outline-offset:1px; }
.field.invalid input, .field.invalid textarea{ border-color:var(--red); }
.field .err{ font-size:12px; color:var(--red); display:none; }
.field.invalid .err{ display:block; }
.form-status{ margin-top:22px; }
.success-box{ display:none; border:1px solid var(--green); background:var(--green-soft); padding:26px; }
.success-box.show{ display:block; }
.success-box h4{ color:var(--green); }

/* ---------- empty / error states ---------- */
.state-block{ text-align:center; padding:70px 20px; }
.state-block h3{ margin-bottom:14px; }
.state-block p{ color:var(--ink-soft); max-width:44ch; margin:0 auto 26px; }

/* ---------- command palette ---------- */
.palette-overlay{ position:fixed; inset:0; background:rgba(23,18,37,.6); z-index:150; display:none; align-items:flex-start; justify-content:center; padding-top:12vh; }
.palette-overlay.open{ display:flex; }
.palette-box{ background:var(--paper); width:100%; max-width:600px; box-shadow:var(--shadow); border:1px solid var(--line-strong); max-height:60vh; display:flex; flex-direction:column; }
.palette-input{ border:0; border-bottom:1px solid var(--line); padding:20px; font-family:var(--mono); font-size:15px; background:none; color:var(--ink); }
.palette-input:focus{ outline:none; }
.palette-results{ overflow-y:auto; padding:8px; }
.palette-item{ display:flex; justify-content:space-between; gap:12px; padding:12px 14px; border-radius:2px; }
.palette-item:hover, .palette-item.sel{ background:var(--cobalt-soft); }
.palette-item .p-type{ font-family:var(--mono); font-size:10px; text-transform:uppercase; color:var(--ink-soft); }

/* ---------- table of contents ---------- */
.toc{ position:sticky; top:calc(var(--header-h) + 24px); border-left:1px solid var(--line); padding-left:18px; }
.toc a{ display:block; font-family:var(--mono); font-size:11.5px; letter-spacing:.03em; padding:6px 0; color:var(--ink-soft); }
.toc a:hover, .toc a.active{ color:var(--cobalt); }

/* ---------- reading progress ---------- */
.reading-progress{ position:fixed; top:var(--header-h); left:0; height:3px; background:var(--cobalt); width:0%; z-index:55; transition:width .1s linear; }

/* ---------- save button ---------- */
.save-btn{ display:inline-flex; align-items:center; gap:8px; }
.save-btn svg{ width:15px; height:15px; }
.save-btn.saved{ color:var(--coral); border-color:var(--coral); }

/* ---------- CV ---------- */
.cv-section{ margin-bottom:46px; }
.cv-section h3{ margin-bottom:22px; }
.cv-entry{ display:grid; grid-template-columns:130px 1fr; gap:18px; padding:16px 0; border-top:1px solid var(--line); }
@media (max-width:640px){ .cv-entry{ grid-template-columns:1fr; gap:6px; } }
.cv-entry .yr{ font-family:var(--mono); font-size:12.5px; color:var(--ink-soft); }
.cv-entry h4{ font-size:1.05rem; }
.cv-entry p{ margin-top:6px; font-size:14.5px; color:var(--ink-soft); }
@media print{
  .site-header, .mobile-menu, .site-footer, .cv-actions, .reading-progress, .toast-wrap, .palette-overlay, .modal-overlay, .skip-link{ display:none !important; }
  body{ background:#fff; color:#000; font-size:12pt; }
  .section{ padding:14px 0; border:0; }
}

/* ---------- research map ---------- */
.map-shell{ display:flex; gap:0; min-height:70vh; }
.map-legend{ width:220px; flex:none; border-right:1px solid var(--line); padding:26px 20px; }
.map-legend h5{ font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-soft); margin-bottom:16px; }
.legend-item{ display:flex; align-items:center; gap:10px; padding:7px 0; font-size:13.5px; }
.legend-dot{ width:11px; height:11px; border-radius:3px; flex:none; }
.map-canvas-wrap{ flex:1; overflow:auto; position:relative; background:
  radial-gradient(circle, var(--line) 1px, transparent 1px) 0 0/22px 22px;
}
.map-toolbar{ position:sticky; top:0; z-index:10; display:flex; gap:10px; padding:14px 18px; background:var(--paper); border-bottom:1px solid var(--line); flex-wrap:wrap; align-items:center; }
.map-side{ width:300px; flex:none; border-left:1px solid var(--line); padding:26px 22px; overflow-y:auto; }
@media (max-width:1100px){ .map-legend{ display:none; } }
@media (max-width:900px){ .map-side{ display:none; } .map-shell{ flex-direction:column; min-height:0; } .map-canvas-wrap{ background-size:16px 16px; } }

.mnode{ cursor:pointer; }
.mnode rect, .mnode circle{ transition:opacity .2s ease, stroke-width .15s ease; }
.mnode text{ font-family:var(--mono); pointer-events:none; }
.mnode.dim{ opacity:.22; }
.medge{ transition:opacity .2s ease, stroke-width .15s ease; }
.medge.dim{ opacity:.1; }
.medge.highlight{ stroke-width:2.4; }

.map-list{ display:none; }
.map-list.active{ display:block; }
.map-list .chain-block{ margin-bottom:34px; }
.map-list .chain-title{ margin-bottom:14px; }
.map-list .node-row{ display:flex; gap:14px; padding:12px 0; border-top:1px solid var(--line); align-items:flex-start; }
.map-list .node-row .stage-lbl{ width:110px; flex:none; }
.map-list .node-row .connects{ font-size:12.5px; color:var(--ink-soft); margin-top:4px; }

/* mobile map sheet */
.sheet-overlay{ position:fixed; inset:0; background:rgba(23,18,37,.5); z-index:130; display:none; }
.sheet-overlay.open{ display:block; }
.bottom-sheet{ position:fixed; left:0; right:0; bottom:0; background:var(--paper); z-index:131; padding:26px 22px 30px; border-top:1px solid var(--line-strong); transform:translateY(100%); transition:transform .25s ease; max-height:70vh; overflow-y:auto; }
.bottom-sheet.open{ transform:translateY(0); }

/* ---------- utility ---------- */
.skip-link{ position:absolute; left:-9999px; top:0; background:var(--ink); color:var(--paper); padding:10px 16px; z-index:300; }
.skip-link:focus{ left:12px; top:12px; }
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }
.hairline{ border:0; border-top:1px solid var(--line); margin:0; }
.tag{ font-family:var(--mono); font-size:10.5px; letter-spacing:.06em; text-transform:uppercase; padding:5px 10px; border:1px solid var(--line-strong); border-radius:20px; }
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start; }
@media (max-width:800px){ .two-col{ grid-template-columns:1fr; gap:30px; } }
.related-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:20px; }
@media (max-width:900px){ .related-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .related-grid{ grid-template-columns:1fr; } }
.related-card{ border:1px solid var(--line); padding:20px; }
.related-card .p-type{ margin-bottom:10px; }
.related-card h5{ font-size:1rem; }

.theme-toggle{ display:flex; align-items:center; gap:4px; border:1px solid var(--line); border-radius:20px; padding:3px; }
.theme-toggle button{ background:none; border:0; padding:5px 9px; border-radius:16px; font-family:var(--mono); font-size:10px; color:var(--ink-soft); }
.theme-toggle button.active{ background:var(--ink); color:var(--paper); }

.share-row{ display:flex; gap:10px; flex-wrap:wrap; }

.text-controls{ display:flex; gap:18px; flex-wrap:wrap; align-items:center; margin-bottom:34px; padding:14px 18px; border:1px solid var(--line); font-family:var(--mono); font-size:11px; letter-spacing:.04em; text-transform:uppercase; }
.text-controls .grp{ display:flex; gap:6px; align-items:center; }
.text-controls button{ background:none; border:1px solid var(--line-strong); padding:5px 10px; color:var(--ink-soft); border-radius:2px; }
.text-controls button.active{ background:var(--ink); color:var(--paper); }
.prose-width-narrow .prose{ max-width:54ch; }
.prose-width-comfortable .prose{ max-width:70ch; }
.prose-width-wide .prose{ max-width:88ch; }
.text-small .prose{ font-size:15.5px; }
.text-comfortable .prose{ font-size:17px; }
.text-large .prose{ font-size:19px; }
.prose p{ margin-bottom:18px; color:var(--ink-soft); }