:root{
  --bg:#FAFAF9;
  --alabaster:#D3D4D9;
  --alabaster-40:rgba(211,212,217,0.35);
  --blue:#4B88A2;
  --blue-deep:#33606F;
  --red:#BB0A21;
  --red-deep:#8f0819;
  --ink:#1D1E1F;
  --ink-70:rgba(29,30,31,0.72);
  --ink-45:rgba(29,30,31,0.48);
  --line:rgba(29,30,31,0.16);
  --line-soft:rgba(29,30,31,0.09);
  --card:#FFFFFF;
  --font-display:'Oswald', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.65;
  overflow-x:hidden;
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

a{color:inherit; text-decoration:none;}
::selection{background:var(--red); color:#fff;}

.wrap{max-width:1140px; margin:0 auto; padding:0 28px;}

.grid-bg{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 55% at 50% 0%, black 20%, transparent 82%);
  opacity:0.55;
}

.bracket{position:relative;}
.bracket::before, .bracket::after{
  content:''; position:absolute; width:14px; height:14px; border:1.4px solid var(--blue); opacity:0.55;
}
.bracket::before{top:-1px; left:-1px; border-right:none; border-bottom:none;}
.bracket::after{bottom:-1px; right:-1px; border-left:none; border-top:none;}

header{
  position:sticky; top:0; z-index:50;
  background:rgba(250,250,249,0.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
html[data-theme="dark"] header{ background:rgba(11,11,12,0.82); }
nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 28px; max-width:1140px; margin:0 auto;
}
.logo{
  font-family:var(--font-display); font-weight:600; font-size:19px; letter-spacing:1px; text-transform:uppercase;
  color:var(--ink); display:flex; align-items:center; gap:10px;
}
.logo .dot{width:8px; height:8px; background:var(--red);}
.navlinks{display:flex; gap:32px; font-size:15px; font-family:var(--font-display); font-weight:500; color:var(--ink-70); text-transform:none; letter-spacing:0.2px;}
.navlinks a{transition:color 0.2s; position:relative; padding-bottom:2px;}
.navlinks a:hover{color:var(--blue-deep);}
.navlinks a.active{color:var(--ink); border-bottom:1.5px solid var(--red);}
.navlinks a:focus-visible, a:focus-visible, button:focus-visible{outline:2px solid var(--blue); outline-offset:3px;}
.nav-toggle{display:none; background:none; border:1px solid var(--line); color:var(--ink); width:38px; height:38px; font-size:18px; cursor:pointer;}

@media (max-width:760px){
  .navlinks{
    position:fixed; top:65px; right:0; left:0; background:var(--bg);
    flex-direction:column; padding:22px 28px; gap:20px; border-bottom:1px solid var(--line);
    transform:translateY(-130%); transition:transform 0.3s ease; opacity:0;
  }
  .navlinks.open{transform:translateY(0); opacity:1;}
  .nav-toggle{display:block;}
}

section{position:relative; z-index:1;}

/* HERO */
.hero{padding:72px 0 84px;}
.hero-top{display:flex; justify-content:space-between; align-items:flex-start; font-family:var(--font-mono); font-size:11.5px; color:var(--ink-45); letter-spacing:1px; text-transform:uppercase; padding-bottom:26px; border-bottom:1px solid var(--line); margin-bottom:44px; flex-wrap:wrap; gap:10px;}
.hero-top span b{color:var(--ink); font-weight:500;}
.hero-main{display:grid; grid-template-columns:1.25fr 0.75fr; gap:52px; align-items:end;}
.eyebrow{font-family:var(--font-mono); font-size:12px; letter-spacing:2px; text-transform:uppercase; color:var(--red); display:flex; align-items:center; gap:10px; margin-bottom:20px;}
.eyebrow::before{content:''; width:22px; height:1px; background:var(--red);}
h1{font-family:var(--font-display); font-weight:600; text-transform:uppercase; font-size:clamp(2.4rem, 5.2vw, 4rem); line-height:1.03; letter-spacing:0.005em; color:var(--ink); margin-bottom:26px;}
h1 .accent{color:var(--blue-deep);}
h1 .accent2{color:var(--red);}
.hero-sub{font-size:16.5px; color:var(--ink-70); max-width:480px;}
.hero-side{border-left:1px solid var(--line); padding-left:32px;}
.hero-side .k{font-family:var(--font-mono); font-size:11px; color:var(--ink-45); text-transform:uppercase; letter-spacing:1px; margin-bottom:6px;}
.hero-side .v{font-size:14.5px; color:var(--ink-70); margin-bottom:22px;}
.hero-cta{display:flex; gap:12px; flex-wrap:wrap; margin-top:8px;}
.btn{font-family:var(--font-mono); font-size:12px; padding:13px 22px; display:inline-flex; align-items:center; gap:8px; transition:all 0.2s; letter-spacing:0.6px; text-transform:uppercase; border:1px solid transparent; cursor:pointer; background:none;}
.btn-primary{background:var(--ink); color:#fff; font-weight:500;}
.btn-primary:hover{background:var(--red-deep);}
.btn-ghost{border:1px solid var(--line); color:var(--ink);}
.btn-ghost:hover{border-color:var(--blue); color:var(--blue-deep);}

.topo{width:100%; height:auto; overflow:visible; margin-top:40px;}
.topo-node-core{fill:var(--ink); stroke:var(--red); stroke-width:1.4;}
.topo-node{fill:var(--card); stroke:var(--alabaster); stroke-width:1.3;}
.topo-line{stroke:var(--line); stroke-width:1; stroke-dasharray:3 3;}
.topo-pulse{stroke:var(--blue); stroke-width:1.6; stroke-dasharray:5 300; stroke-dashoffset:0; opacity:0.9;}
.topo-label{font-family:var(--font-mono); font-size:9.5px; fill:var(--ink-45); letter-spacing:0.5px; text-transform:uppercase;}
.topo-label-core{font-family:var(--font-mono); font-size:10px; fill:#fff; font-weight:500;}

@keyframes travel1{ to { stroke-dashoffset:-306; } }
@keyframes travel2{ to { stroke-dashoffset:-306; } }
.p1{animation:travel1 3.2s linear infinite;}
.p2{animation:travel2 3.8s linear infinite; animation-delay:0.6s;}
.p3{animation:travel1 4.4s linear infinite; animation-delay:1.2s;}
.p4{animation:travel2 2.8s linear infinite; animation-delay:1.8s;}

.sec-head{margin-bottom:20px; max-width:640px; display:flex; align-items:baseline; gap:18px; flex-wrap:wrap;}
.sec-num{font-family:var(--font-mono); font-size:12px; color:var(--red); letter-spacing:2px; text-transform:uppercase; white-space:nowrap;}
.sec-title{font-family:var(--font-display); font-size:clamp(1.7rem, 3vw, 2.3rem); font-weight:600; text-transform:uppercase; color:var(--ink); letter-spacing:0.01em;}
.sec-desc{color:var(--ink-70); font-size:15.5px; max-width:640px; margin-bottom:44px;}

section.pad{padding:86px 0;}
.pad-top{padding-top:56px;}
.divider{height:1px; background:var(--line); width:100%;}

.page-head{padding:56px 0 40px; border-bottom:1px solid var(--line); margin-bottom:56px;}
.page-head .eyebrow{margin-bottom:16px;}
.page-head h1{font-size:clamp(2.2rem, 4.6vw, 3.2rem); margin-bottom:14px;}
.page-head p{color:var(--ink-70); font-size:16px; max-width:600px;}

.about-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start;}
.about-text p{color:var(--ink-70); font-size:15.5px; margin-bottom:18px;}
.about-text strong{color:var(--ink); font-weight:600;}
.philosophy-box{background:var(--card); border:1px solid var(--line); padding:30px 30px 30px 28px; border-left:3px solid var(--red);}
.philosophy-box .tag{font-family:var(--font-mono); font-size:10.5px; color:var(--red); letter-spacing:1.5px; text-transform:uppercase; margin-bottom:16px; display:block;}
.philosophy-box p{font-size:16px; color:var(--ink); font-family:var(--font-display); font-weight:400; text-transform:none; line-height:1.5; letter-spacing:0.005em;}

.expertise-grid{display:grid; grid-template-columns:repeat(2, 1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.exp-card{background:var(--card); padding:34px; transition:background 0.25s;}
.exp-card:hover{background:#f2f6f7;}
.exp-num{font-family:var(--font-mono); font-size:12px; color:var(--ink-45);}
.exp-icon{width:34px; height:34px; margin:18px 0 18px; color:var(--blue-deep);}
.exp-card h3{font-family:var(--font-display); font-size:19px; font-weight:600; text-transform:uppercase; margin-bottom:10px; color:var(--ink); letter-spacing:0.01em;}
.exp-card p{font-size:14.5px; color:var(--ink-70); margin-bottom:6px;}

@media (max-width:760px){ .expertise-grid{grid-template-columns:1fr;} .about-grid{grid-template-columns:1fr;} .hero-main{grid-template-columns:1fr;} .hero-photo-wrap{max-width:200px; margin:28px auto 0;} }

.work-list{display:flex; flex-direction:column; border-top:1px solid var(--line);}
.work-item{display:grid; grid-template-columns:130px 1fr; gap:24px; padding:30px 0; border-bottom:1px solid var(--line); align-items:start; transition:padding-left 0.25s, background 0.25s;}
.work-item:hover{padding-left:12px; background:#f2f6f7;}
.work-type{font-family:var(--font-mono); font-size:10.5px; color:var(--red); letter-spacing:1px; padding-top:5px; text-transform:uppercase;}
.work-body h3{font-family:var(--font-display); font-size:18.5px; font-weight:600; text-transform:uppercase; margin-bottom:8px; letter-spacing:0.005em;}
.work-body p{font-size:14.5px; color:var(--ink-70);}

@media (max-width:640px){ .work-item{grid-template-columns:1fr; gap:10px;} .work-type{padding-top:0;} }

.cap-wrap{display:flex; flex-wrap:wrap; gap:9px;}
.cap-pill{font-family:var(--font-mono); font-size:12.5px; color:var(--ink-70); border:1px solid var(--line); padding:9px 15px; transition:all 0.2s; cursor:default; background:var(--card);}
.cap-pill:hover{border-color:var(--blue); color:var(--blue-deep); transform:translateY(-2px);}
.cap-pill.core{border-color:var(--red); color:var(--red-deep); background:#fbf0f0;}

.style-grid{display:grid; grid-template-columns:repeat(4, 1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.style-card{padding:30px; background:var(--card);}
.style-mark{font-family:var(--font-mono); font-size:12px; color:var(--red); margin-bottom:18px; letter-spacing:1px;}
.style-card h4{font-size:15px; font-weight:600; margin-bottom:8px; color:var(--ink); font-family:var(--font-body); text-transform:uppercase; letter-spacing:0.02em;}
.style-card p{font-size:13.5px; color:var(--ink-70);}
@media (max-width:900px){ .style-grid{grid-template-columns:repeat(2, 1fr);} }
@media (max-width:520px){ .style-grid{grid-template-columns:1fr;} }

/* TOOLS PAGE */
.tools-grid{display:grid; grid-template-columns:repeat(2, 1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.tool-card{background:var(--card); padding:36px;}
.tool-card h3{font-family:var(--font-display); font-size:19px; text-transform:uppercase; letter-spacing:0.01em; margin-bottom:8px;}
.tool-card > p{font-size:13.5px; color:var(--ink-70); margin-bottom:24px;}
.field{margin-bottom:16px;}
.field label{display:block; font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:0.8px; color:var(--ink-45); margin-bottom:7px;}
.field input, .field select, .field textarea{
  width:100%; border:1px solid var(--line); background:var(--bg); padding:11px 12px; font-family:var(--font-mono);
  font-size:13.5px; color:var(--ink);
}
.field textarea{resize:vertical; min-height:110px; font-family:var(--font-body); font-size:14px;}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:12px;}
.checks{display:flex; flex-wrap:wrap; gap:14px; font-family:var(--font-mono); font-size:12px; color:var(--ink-70);}
.checks label{display:flex; align-items:center; gap:6px; cursor:pointer;}
.result-box{margin-top:20px; border:1px dashed var(--line); background:var(--alabaster-40); padding:16px 18px;}
.result-box .r-row{display:flex; justify-content:space-between; font-family:var(--font-mono); font-size:12.5px; padding:5px 0; border-bottom:1px solid var(--line-soft);}
.result-box .r-row:last-child{border-bottom:none;}
.result-box .r-row b{color:var(--ink); font-weight:500;}
.result-box.empty{color:var(--ink-45); font-family:var(--font-mono); font-size:12.5px; text-align:center; padding:22px 0;}
.copy-line{display:flex; gap:8px; align-items:center; margin-top:14px;}
.copy-line input{flex:1;}
.small-note{font-family:var(--font-mono); font-size:11px; color:var(--ink-45); margin-top:14px;}

@media (max-width:760px){ .tools-grid{grid-template-columns:1fr;} .field-row{grid-template-columns:1fr;} }

/* CONTACT */
.contact-sec{padding:100px 0 92px; text-align:center;}
.contact-sec h2{font-family:var(--font-display); font-size:clamp(2.1rem, 4.6vw, 3.2rem); font-weight:600; text-transform:uppercase; margin-bottom:22px; letter-spacing:0.01em;}
.contact-sec h2 span{color:var(--blue-deep);}
.contact-sec p{color:var(--ink-70); max-width:480px; margin:0 auto 38px; font-size:16px;}
.contact-links{display:flex; justify-content:center; gap:14px; flex-wrap:wrap;}

.contact-page-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px;}
.contact-card{border:1px solid var(--line); padding:30px; background:var(--card);}
.contact-card .k{font-family:var(--font-mono); font-size:11px; color:var(--ink-45); text-transform:uppercase; letter-spacing:1px; margin-bottom:8px;}
.contact-card .v{font-size:17px; font-family:var(--font-display); text-transform:none; margin-bottom:22px;}
.contact-card .v:last-child{margin-bottom:0;}
@media (max-width:760px){ .contact-page-grid{grid-template-columns:1fr;} }

footer{border-top:1px solid var(--line); padding:26px 0;}
.foot-row{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;}
.foot-row span{font-family:var(--font-mono); font-size:11.5px; color:var(--ink-45); letter-spacing:0.5px; text-transform:uppercase;}

.reveal{opacity:0; transform:translateY(18px); transition:opacity 0.6s ease, transform 0.6s ease;}
.reveal.visible{opacity:1; transform:translateY(0);}

/* ---- TOOLS INDEX & CATEGORIES ---- */
.tool-index{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:56px; padding-bottom:32px; border-bottom:1px solid var(--line);}
.tool-index a{font-family:var(--font-mono); font-size:11.5px; text-transform:uppercase; letter-spacing:0.5px; color:var(--ink-70); border:1px solid var(--line); padding:8px 14px; transition:all 0.2s;}
.tool-index a:hover{border-color:var(--blue); color:var(--blue-deep);}

.tool-category{margin-bottom:64px;}
.tool-category-head{display:flex; align-items:baseline; gap:14px; margin-bottom:24px;}
.tool-category-head .cat-num{font-family:var(--font-mono); font-size:11px; color:var(--red); letter-spacing:1.5px;}
.tool-category-head h2{font-family:var(--font-display); font-size:20px; text-transform:uppercase; letter-spacing:0.02em; color:var(--ink);}

.tools-grid-cat{display:grid; grid-template-columns:repeat(2, 1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
@media (max-width:760px){ .tools-grid-cat{grid-template-columns:1fr;} }

/* generic form bits reused inside tool cards */
.field-inline{display:flex; gap:8px; align-items:center;}
.field-inline input{flex:1;}
.mode-tabs{display:flex; gap:6px; margin-bottom:16px; flex-wrap:wrap;}
.mode-tab{font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:0.5px; padding:7px 12px; border:1px solid var(--line); color:var(--ink-70); cursor:pointer; background:var(--card);}
.mode-tab.active{background:var(--ink); color:#fff; border-color:var(--ink);}

/* calculator keypad */
.calc-display{width:100%; border:1px solid var(--line); background:var(--bg); font-family:var(--font-mono); font-size:20px; text-align:right; padding:14px 12px; margin-bottom:10px; color:var(--ink); overflow-x:auto;}
.calc-grid{display:grid; grid-template-columns:repeat(5, 1fr); gap:4px;}
.calc-btn{font-family:var(--font-mono); font-size:13px; padding:10px 0; border:1px solid var(--line); background:var(--card); color:var(--ink); cursor:pointer; transition:background 0.15s;}
.calc-btn:hover{background:var(--alabaster-40);}
.calc-btn.op{color:var(--blue-deep);}
.calc-btn.eq{background:var(--ink); color:#fff;}
.calc-btn.eq:hover{background:var(--red-deep);}
.calc-btn.clr{color:var(--red-deep);}

/* diff output */
.diff-box{border:1px solid var(--line); background:var(--card); padding:16px; font-family:var(--font-mono); font-size:13px; white-space:pre-wrap; line-height:1.8; max-height:340px; overflow:auto;}
.diff-add{background:#e4f3ec; color:#1c6b43; padding:1px 2px;}
.diff-del{background:#fbe6e6; color:var(--red-deep); text-decoration:line-through; padding:1px 2px;}

/* color swatch */
.color-swatch{width:100%; height:64px; border:1px solid var(--line); margin-bottom:16px;}

/* file drop */
.file-field{border:1px dashed var(--line); padding:20px; text-align:center; background:var(--bg); margin-bottom:14px;}
.file-field input[type="file"]{font-family:var(--font-mono); font-size:12px; width:100%;}
.compress-compare{display:flex; justify-content:space-between; font-family:var(--font-mono); font-size:12.5px; color:var(--ink-70); margin-top:12px;}
.compress-compare b{color:var(--ink);}
.preview-img{max-width:100%; margin-top:14px; border:1px solid var(--line);}

#qrcodeCanvas{margin-top:16px; display:flex; justify-content:center; background:var(--card); padding:16px; border:1px solid var(--line);}

/* ---- TOOL SELECT / DETAIL VIEW ---- */
.tools-select-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.tool-select-card{
  background:var(--card); padding:26px 24px; cursor:pointer; transition:background 0.2s, padding-left 0.2s;
  position:relative;
}
.tool-select-card:hover, .tool-select-card:focus-visible{background:#f2f6f7; padding-left:30px; outline:none;}
.tool-select-card h3{font-family:var(--font-display); font-size:16.5px; font-weight:600; text-transform:uppercase; letter-spacing:0.01em; color:var(--ink); margin-bottom:8px;}
.tool-select-card p{font-size:13px; color:var(--ink-70); margin-bottom:18px; min-height:34px;}
.tsc-arrow{font-family:var(--font-mono); font-size:11px; letter-spacing:0.5px; text-transform:uppercase; color:var(--blue-deep);}

#toolDetailWrap .tool-detail-card{
  background:var(--card); border:1px solid var(--line); padding:36px; margin-bottom:1px;
}

@media (max-width:900px){ .tools-select-grid{grid-template-columns:repeat(2, 1fr);} }
@media (max-width:600px){ .tools-select-grid{grid-template-columns:1fr;} }

/* ---- LIGHT / DARK THEME ---- */
html[data-theme="dark"]{
  --bg:#0B0B0C;
  --alabaster:#242426;
  --alabaster-40:rgba(255,255,255,0.07);
  --blue:#FF6B76;
  --blue-deep:#E8323F;
  --red:#FF4757;
  --red-deep:#B01F2B;
  --ink:#F5F1EE;
  --ink-70:rgba(245,241,238,0.75);
  --ink-45:rgba(245,241,238,0.52);
  --line:rgba(245,241,238,0.16);
  --line-soft:rgba(245,241,238,0.08);
  --card:#161617;
}
html[data-theme="dark"] .contact-sec h2 span,
html[data-theme="dark"] h1 .accent{ color:var(--blue); }
html[data-theme="dark"] .skill-pill.core,
html[data-theme="dark"] .cap-pill.core{ background:rgba(255,71,87,0.14); color:var(--blue); }
html[data-theme="dark"] .diff-add{ background:rgba(38,166,109,0.18); color:#5fd39a; }
html[data-theme="dark"] .diff-del{ background:rgba(255,71,87,0.18); color:#ff8f9c; }
html[data-theme="dark"] .exp-card:hover,
html[data-theme="dark"] .work-item:hover,
html[data-theme="dark"] .tool-select-card:hover{ background:rgba(255,71,87,0.06); }
html[data-theme="dark"] .mode-tab.active{ background:var(--blue-deep); color:#fff; border-color:var(--blue-deep); }
html[data-theme="dark"] .calc-btn.eq{ background:var(--blue-deep); color:#fff; }
html[data-theme="dark"] .calc-btn.eq:hover{ background:var(--red-deep); }
html[data-theme="dark"] .calc-btn.clr{ color:var(--blue); }
html[data-theme="dark"] .row-remove{ color:var(--blue); }
html[data-theme="dark"] .hero-photo{ box-shadow:0 10px 30px rgba(0,0,0,0.55); }
html[data-theme="dark"] .timeline-item::before{ border-color:var(--blue-deep); }
html[data-theme="dark"] .topo-label-core{ fill:#0B0B0C; }
html[data-theme="dark"] .topo-node-core{ fill:var(--ink); stroke:var(--blue-deep); }
html[data-theme="dark"] .btn-ghost{ border-color:var(--line); }
html[data-theme="dark"] .btn-ghost:hover{ border-color:var(--blue); color:var(--blue); }

.theme-toggle{
  background:none; border:1px solid var(--line); color:var(--ink); width:38px; height:38px;
  cursor:pointer; font-size:15px; display:flex; align-items:center; justify-content:center;
  transition:border-color 0.2s;
}
.theme-toggle:hover{ border-color:var(--blue); }

/* ---- HOMEPAGE PHOTO / HERO POLISH ---- */
.hero-photo-wrap{position:relative; width:100%; max-width:280px; margin-left:auto;}
.hero-photo{width:100%; display:block; border:1px solid var(--line); filter:grayscale(15%) contrast(1.02);}
.hero-photo-tag{
  position:absolute; bottom:-1px; left:-1px; background:var(--ink); color:var(--bg);
  font-family:var(--font-mono); font-size:10px; letter-spacing:0.5px; text-transform:uppercase;
  padding:6px 10px;
}
.stat-strip{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:56px;}
.stat-cell{background:var(--card); padding:22px 20px;}
.stat-cell .num{font-family:var(--font-display); font-size:28px; font-weight:600; color:var(--ink);}
.stat-cell .lbl{font-family:var(--font-mono); font-size:10.5px; color:var(--ink-45); text-transform:uppercase; letter-spacing:0.6px; margin-top:4px;}
@media (max-width:760px){ .stat-strip{grid-template-columns:repeat(2,1fr);} }

/* ---- misc new-tool components ---- */
.gpa-row{display:grid; grid-template-columns:1fr 90px 32px; gap:8px; margin-bottom:8px; align-items:center;}
.gpa-row select, .gpa-row input{width:100%;}
.row-remove{background:none; border:1px solid var(--line); color:var(--red-deep); cursor:pointer; height:38px;}
.regex-highlight{background:#fdeeb0; color:#5c4a06; padding:1px 2px; border-radius:2px;}
html[data-theme="dark"] .regex-highlight{background:#7a6a1c; color:#fff3c4;}
.dl-row{display:flex; gap:10px; flex-wrap:wrap; margin-top:14px;}

/* =====================================================================
   REDESIGN LAYER — softer, warmer "personal portfolio" visual language
   (inspired by rounded-card / blob-photo / timeline portfolio themes)
   All content and copy are unchanged; this section only restyles the
   existing components with rounder shapes, shadows, and pill buttons.
   ===================================================================== */

:root{
  --radius-sm:10px;
  --radius-md:18px;
  --radius-lg:32px;
  --radius-pill:999px;
  --shadow-sm:0 2px 14px rgba(29,30,31,0.07);
  --shadow-md:0 10px 30px rgba(29,30,31,0.09);
}
html[data-theme="dark"]{
  --shadow-sm:0 2px 14px rgba(0,0,0,0.35);
  --shadow-md:0 12px 32px rgba(0,0,0,0.45);
}

/* soften / remove the technical blueprint texture */
.grid-bg{ opacity:0.22; background-size:64px 64px; }
.bracket::before, .bracket::after{ display:none; }

/* rounder header + pill nav */
header{ border-bottom:1px solid var(--line-soft); }
.logo{ letter-spacing:0.3px; }
.navlinks a{ padding:8px 4px; }
.navlinks a.active{ border-bottom:none; color:var(--blue-deep); font-weight:600; }
.theme-toggle, .nav-toggle{ border-radius:var(--radius-pill); }

/* pill buttons with lift */
.btn{ border-radius:var(--radius-pill); box-shadow:var(--shadow-sm); }
.btn-primary{ background:var(--blue-deep); color:#fff; }
.btn-primary:hover{ background:var(--red-deep); transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn-ghost{ background:var(--card); }
.btn-ghost:hover{ transform:translateY(-2px); box-shadow:var(--shadow-md); }

/* hero photo -> soft blob frame */
.hero-photo-wrap{ max-width:300px; }
.hero-photo{
  border-radius:44% 56% 62% 38% / 48% 42% 58% 52%;
  border:none;
  box-shadow:var(--shadow-md);
}
.hero-photo-tag{
  position:static; display:inline-flex; margin-top:16px; background:var(--card); color:var(--ink);
  border:1px solid var(--line-soft); border-radius:var(--radius-pill); box-shadow:var(--shadow-sm);
}
.eyebrow{ background:var(--alabaster-40); display:inline-flex; padding:6px 16px 6px 12px; border-radius:var(--radius-pill); }
.eyebrow::before{ display:none; }
h1{ letter-spacing:-0.01em; }

/* stat strip -> rounded pill cards */
.stat-strip{ background:none; border:none; gap:16px; }
.stat-cell{ border-radius:var(--radius-md); box-shadow:var(--shadow-sm); border:1px solid var(--line-soft); text-align:center; }

/* section labels a touch softer */
.sec-num{ background:var(--alabaster-40); padding:4px 12px; border-radius:var(--radius-pill); }

/* expertise / tools / style grids -> rounded individual cards */
.expertise-grid, .tools-select-grid, .tools-grid-cat, .style-grid{
  background:none; border:none; gap:20px;
}
.exp-card, .tool-select-card, .tool-card, .style-card{
  border-radius:var(--radius-md);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-sm);
  transition:transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.exp-card:hover, .tool-select-card:hover, .style-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  padding-left:34px;
}
.tool-select-card:hover{ padding-left:30px; }
.exp-icon{
  background:var(--alabaster-40); border-radius:var(--radius-sm); padding:8px; width:44px; height:44px; color:var(--blue-deep);
}

/* work list -> rounded cards instead of hairline rows */
.work-list{ border-top:none; display:flex; flex-direction:column; gap:16px; }
.work-item{
  border:1px solid var(--line-soft); border-radius:var(--radius-md); box-shadow:var(--shadow-sm);
  padding:26px 28px;
}
.work-item:hover{ padding-left:34px; box-shadow:var(--shadow-md); }
.work-type{ background:var(--alabaster-40); display:inline-flex; padding:4px 12px; border-radius:var(--radius-pill); }

/* philosophy box, result box, diff box -> rounded */
.philosophy-box{ border-radius:var(--radius-md); border-left:4px solid var(--red); box-shadow:var(--shadow-sm); }
.result-box, .diff-box, .file-field{ border-radius:var(--radius-sm); }
.tag-chip, .cap-pill, .skill-pill, .work-stack span{ border-radius:var(--radius-pill); }
.field input, .field select, .field textarea{ border-radius:var(--radius-sm); }
#toolDetailWrap .tool-detail-card{ border-radius:var(--radius-md); box-shadow:var(--shadow-sm); border:1px solid var(--line-soft); }

/* timeline (replaces the flat 4-col "How I Work" grid look) */
.timeline{ position:relative; padding-left:38px; max-width:640px; }
.timeline::before{ content:''; position:absolute; left:9px; top:6px; bottom:6px; width:2px; background:var(--line); }
.timeline-item{ position:relative; padding-bottom:34px; }
.timeline-item:last-child{ padding-bottom:0; }
.timeline-item::before{
  content:''; position:absolute; left:-38px; top:2px; width:20px; height:20px; border-radius:50%;
  background:var(--card); border:3px solid var(--blue-deep); box-shadow:var(--shadow-sm);
}
.timeline-item .style-mark{ font-family:var(--font-mono); font-size:11px; color:var(--red); letter-spacing:1px; margin-bottom:6px; }
.timeline-item h4{ font-size:16px; font-weight:600; margin-bottom:6px; color:var(--ink); }
.timeline-item p{ font-size:14px; color:var(--ink-70); max-width:520px; }

/* contact + misc cards */
.contact-card{ border-radius:var(--radius-md); box-shadow:var(--shadow-sm); border:1px solid var(--line-soft); }
footer{ border-top:1px solid var(--line-soft); }

@media (max-width:600px){
  .exp-card:hover, .tool-select-card:hover, .style-card:hover, .work-item:hover{ padding-left:inherit; transform:none; }
}

/* =====================================================================
   VISUAL RICHNESS LAYER — gradients, glow, and depth on top of the
   existing rounded/soft redesign. No content changes.
   ===================================================================== */

/* gradient CTA button */
.btn-primary{
  background:linear-gradient(135deg, var(--blue-deep), var(--red));
  position:relative; overflow:hidden;
}
.btn-primary:hover{
  background:linear-gradient(135deg, var(--red), var(--blue-deep));
  box-shadow:0 12px 28px rgba(187,10,33,0.28);
}
html[data-theme="dark"] .btn-primary:hover{ box-shadow:0 12px 28px rgba(255,71,87,0.35); }

/* soft radial glows behind hero + section backgrounds */
.hero{ overflow:visible; }
.hero::before{
  content:''; position:absolute; top:-120px; right:-140px; width:520px; height:520px;
  background:radial-gradient(circle, rgba(187,10,33,0.10), transparent 70%);
  z-index:-1; pointer-events:none;
}
.hero::after{
  content:''; position:absolute; bottom:-80px; left:-120px; width:420px; height:420px;
  background:radial-gradient(circle, rgba(75,136,162,0.12), transparent 70%);
  z-index:-1; pointer-events:none;
}
html[data-theme="dark"] .hero::before{ background:radial-gradient(circle, rgba(255,71,87,0.14), transparent 70%); }
html[data-theme="dark"] .hero::after{ background:radial-gradient(circle, rgba(232,50,63,0.10), transparent 70%); }

/* glow halo behind the hero blob photo */
.hero-photo-wrap{ position:relative; z-index:1; }
.hero-photo-wrap::before{
  content:''; position:absolute; inset:-26px; z-index:-1;
  border-radius:44% 56% 62% 38% / 48% 42% 58% 52%;
  background:linear-gradient(135deg, var(--blue-deep), var(--red));
  filter:blur(30px); opacity:0.4;
}

/* gradient text accents */
h1 .accent{
  background:linear-gradient(120deg, var(--blue-deep), var(--blue));
  -webkit-background-clip:text; background-clip:text; color:transparent; -webkit-text-fill-color:transparent;
}
h1 .accent2{
  background:linear-gradient(120deg, var(--red), var(--red-deep));
  -webkit-background-clip:text; background-clip:text; color:transparent; -webkit-text-fill-color:transparent;
}
html[data-theme="dark"] .contact-sec h2 span{
  background:linear-gradient(120deg, var(--blue), var(--red));
  -webkit-background-clip:text; background-clip:text; color:transparent; -webkit-text-fill-color:transparent;
}
.contact-sec h2 span{
  background:linear-gradient(120deg, var(--blue-deep), var(--red));
  -webkit-background-clip:text; background-clip:text; color:transparent; -webkit-text-fill-color:transparent;
}

/* gradient stat numbers + accent top bar */
.stat-cell{ position:relative; overflow:hidden; }
.stat-cell::before{
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg, var(--blue-deep), var(--red));
}
.stat-cell .num{
  background:linear-gradient(135deg, var(--blue-deep), var(--red));
  -webkit-background-clip:text; background-clip:text; color:transparent; -webkit-text-fill-color:transparent;
}

/* richer card hover: colored border + lift */
.exp-card:hover, .tool-select-card:hover, .style-card:hover, .work-item:hover{
  border-color:var(--blue-deep);
}
.exp-icon{
  background:linear-gradient(135deg, rgba(75,136,162,0.18), rgba(187,10,33,0.14));
}

/* glow on the schematic diagram */
.topo-node-core{ filter:drop-shadow(0 0 12px rgba(187,10,33,0.35)); }
html[data-theme="dark"] .topo-node-core{ filter:drop-shadow(0 0 14px rgba(255,71,87,0.5)); }
.topo-pulse{ filter:drop-shadow(0 0 3px currentColor); }

/* eyebrow pill gets a subtle gradient ring */
.eyebrow{
  background:linear-gradient(90deg, rgba(75,136,162,0.14), rgba(187,10,33,0.14));
  border:1px solid var(--line-soft);
}

/* divider gets a soft gradient instead of a flat hairline */
.divider{
  height:1px; border:none;
  background:linear-gradient(90deg, transparent, var(--line) 20%, var(--line) 80%, transparent);
}

/* section-head accent tick */
.sec-head{ position:relative; }
.sec-num{
  background:linear-gradient(90deg, rgba(75,136,162,0.16), rgba(187,10,33,0.16));
}

@media (max-width:760px){
  .hero::before, .hero::after{ display:none; }
}