/* ==========================================================================
   I BUILD THINGS — Chinonso Ezeonu
   Space Grotesk (display) / Inter (body) / JetBrains Mono (system)
   ========================================================================== */

:root{
  --cream:#f4f0e6;
  --cream-dim:#e9e3d3;
  --ink:#141310;
  --ink-soft:#2a2822;
  --graphite:#5c5749;
  --line:#d8d0ba;

  --cobalt:#2b4ce0;
  --cobalt-dim:#e5e9fb;
  --tomato:#e0472b;
  --tomato-dim:#fbe6e1;
  --citrus:#e0a800;
  --citrus-dim:#faf0cf;
  --mint:#2f9e6e;
  --mint-dim:#e1f3ea;
  --lavender:#7d6fd4;
  --lavender-dim:#eae7fa;
  --peach:#e8955f;
  --peach-dim:#faeadd;

  --surface:#ffffff;
  --term-bg:#141310;
  --term-text:#f4f0e6;
  --term-dim:#8a8574;

  --display:'Space Grotesk', 'Arial Narrow', sans-serif;
  --sans:'Inter', -apple-system, sans-serif;
  --mono:'JetBrains Mono', 'Courier New', monospace;

  --max:1320px;
  --gutter:clamp(20px, 4vw, 56px);
  --pad:clamp(48px, 8vw, 108px);
  --radius:3px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --transition:180ms var(--ease);
}

html.dark{
  --cream:#131210;
  --cream-dim:#1c1a15;
  --ink:#f2ede0;
  --ink-soft:#cfc9b8;
  --graphite:#9a927b;
  --line:#333026;
  --surface:#1a1814;
  --term-bg:#0c0b09;
  --term-text:#f2ede0;
  --cobalt-dim:#1d2545;
  --tomato-dim:#3a1d17;
  --citrus-dim:#332a0d;
  --mint-dim:#12301f;
  --lavender-dim:#241f3d;
  --peach-dim:#3a2617;
}

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

html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  transition:background var(--transition), color var(--transition);
}
body.nav-open,body.modal-open{overflow:hidden;}

a{color:inherit; text-decoration:none;}
button{font-family:inherit; cursor:pointer; background:none; border:none; color:inherit;}
ul{margin:0; padding:0; list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,textarea,select{font-family:inherit; font-size:inherit; color:inherit;}
:focus-visible{outline:2px solid var(--cobalt); outline-offset:2px;}

.wrap{max-width:var(--max); margin:0 auto; padding-left:var(--gutter); padding-right:var(--gutter);}
.section{padding-top:var(--pad); padding-bottom:var(--pad);}
.section-tight{padding-top:calc(var(--pad) * .55); padding-bottom:calc(var(--pad) * .55);}
.border-t{border-top:1px solid var(--line);}
.border-b{border-bottom:1px solid var(--line);}

h1,h2,h3,h4{font-family:var(--display); font-weight:600; letter-spacing:-.01em; line-height:1.08;}
h1{font-size:clamp(2.4rem, 6vw, 4.6rem);}
h2{font-size:clamp(1.7rem, 3.4vw, 2.6rem);}
h3{font-size:clamp(1.25rem, 2vw, 1.6rem);}
p.lead{font-size:clamp(1.05rem, 1.6vw, 1.3rem); line-height:1.5; color:var(--ink-soft); max-width:62ch;}
.mono{font-family:var(--mono);}
.eyebrow{font-family:var(--mono); font-size:.72rem; letter-spacing:.06em; color:var(--graphite);}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:.82rem;
  padding:12px 20px; border:1px solid var(--ink); border-radius:var(--radius);
  transition:background var(--transition), color var(--transition), border-color var(--transition);
}
.btn:hover{background:var(--ink); color:var(--cream);}
.btn-fill{background:var(--ink); color:var(--cream);}
.btn-fill:hover{background:var(--cobalt); border-color:var(--cobalt); color:#fff;}
.btn-ghost{border-color:var(--line); color:var(--graphite);}
.btn-ghost:hover{border-color:var(--ink); color:var(--ink); background:transparent;}
.btn[disabled]{opacity:.4; pointer-events:none;}

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:60;
  background:color-mix(in srgb, var(--cream) 92%, transparent);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-row{display:flex; align-items:center; justify-content:space-between; height:64px; gap:20px;}
.brand{font-family:var(--display); font-weight:700; font-size:1.02rem; letter-spacing:-.01em; white-space:nowrap;}
.brand small{display:block; font-family:var(--mono); font-weight:400; font-size:.62rem; letter-spacing:.05em; color:var(--graphite); margin-top:2px;}
.main-nav{display:flex; align-items:center; gap:26px;}
.main-nav a{font-family:var(--mono); font-size:.78rem; letter-spacing:.02em; color:var(--graphite); position:relative; padding:4px 0;}
.main-nav a:hover,.main-nav a.active{color:var(--ink);}
.main-nav a.active::after{content:''; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--tomato);}
.header-actions{display:flex; align-items:center; gap:10px;}
.status-dot{width:7px; height:7px; border-radius:50%; background:var(--mint); display:inline-block; animation:pulse 2.4s infinite;}
@keyframes pulse{0%,100%{opacity:1;} 50%{opacity:.35;}}
.status-chip{display:flex; align-items:center; gap:6px; font-family:var(--mono); font-size:.72rem; color:var(--graphite); border:1px solid var(--line); border-radius:20px; padding:5px 10px 5px 8px;}
.icon-btn{width:36px; height:36px; display:flex; align-items:center; justify-content:center; border:1px solid var(--line); border-radius:var(--radius); color:var(--graphite); transition:var(--transition);}
.icon-btn:hover{border-color:var(--ink); color:var(--ink);}
.kbd-hint{font-family:var(--mono); font-size:.68rem; color:var(--graphite); border:1px solid var(--line); border-radius:3px; padding:2px 6px;}
.menu-toggle{display:none;}

@media (max-width:900px){
  .main-nav{display:none;}
  .menu-toggle{display:flex;}
  .kbd-hint{display:none;}
}

/* ---------- mobile nav drawer ---------- */
.drawer-overlay{position:fixed; inset:0; background:rgba(20,19,16,.5); z-index:90; opacity:0; pointer-events:none; transition:opacity var(--transition);}
.drawer-overlay.open{opacity:1; pointer-events:auto;}
.drawer{position:fixed; top:0; right:0; bottom:0; width:min(340px,84vw); background:var(--surface); z-index:91; transform:translateX(100%); transition:transform 240ms var(--ease); display:flex; flex-direction:column; border-left:1px solid var(--line);}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex; justify-content:space-between; align-items:center; padding:18px 20px; border-bottom:1px solid var(--line);}
.drawer-nav{padding:10px 8px; overflow-y:auto;}
.drawer-nav a{display:block; padding:14px 12px; font-family:var(--display); font-size:1.2rem; border-radius:var(--radius);}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--cream-dim);}
.drawer-foot{padding:16px 20px; border-top:1px solid var(--line); font-family:var(--mono); font-size:.78rem; color:var(--graphite);}
.drawer-foot button{display:flex; align-items:center; gap:8px; padding:8px 0;}

/* ---------- terminal panel ---------- */
.term-launch{position:fixed; right:20px; bottom:20px; z-index:70; background:var(--ink); color:var(--cream); font-family:var(--mono); font-size:.8rem; padding:12px 16px; border-radius:24px; display:flex; align-items:center; gap:8px; box-shadow:0 8px 24px rgba(0,0,0,.18); transition:var(--transition);}
.term-launch:hover{background:var(--cobalt);}
.term-overlay{position:fixed; inset:0; background:rgba(20,19,16,.55); z-index:95; opacity:0; pointer-events:none; transition:opacity var(--transition);}
.term-overlay.open{opacity:1; pointer-events:auto;}
.term-panel{
  position:fixed; left:50%; bottom:0; transform:translate(-50%,110%);
  width:min(680px,94vw); max-height:72vh;
  background:var(--term-bg); color:var(--term-text); z-index:96;
  border-radius:10px 10px 0 0; border:1px solid #000; border-bottom:none;
  display:flex; flex-direction:column; overflow:hidden;
  transition:transform 260ms var(--ease);
  box-shadow:0 -12px 40px rgba(0,0,0,.35);
}
.term-panel.open{transform:translate(-50%,0);}
.term-bar{display:flex; align-items:center; justify-content:space-between; padding:10px 14px; border-bottom:1px solid #2a2822; font-family:var(--mono); font-size:.72rem; color:var(--term-dim);}
.term-dots{display:flex; gap:6px;}
.term-dots span{width:8px; height:8px; border-radius:50%; background:#3a372e;}
.term-body{flex:1; overflow-y:auto; padding:14px 16px; font-family:var(--mono); font-size:.86rem; line-height:1.7;}
.term-line{margin-bottom:4px; white-space:pre-wrap; word-break:break-word;}
.term-line .prompt{color:var(--mint);}
.term-line .out{color:var(--term-dim);}
.term-line .err{color:var(--tomato);}
.term-line .cmd{color:var(--term-text);}
.term-line a{color:var(--cobalt); text-decoration:underline;}
.term-input-row{display:flex; align-items:center; gap:8px; padding:10px 14px; border-top:1px solid #2a2822; position:relative;}
.term-input-row .prompt{color:var(--mint); font-family:var(--mono); font-size:.86rem; white-space:nowrap;}
.term-input-row input{flex:1; background:transparent; border:none; color:var(--term-text); font-family:var(--mono); font-size:.86rem;}
.term-input-row input:focus{outline:none;}
.term-suggest{position:absolute; left:14px; right:14px; bottom:calc(100% + 4px); background:#1e1c17; border:1px solid #33302a; border-radius:6px; overflow:hidden; display:none;}
.term-suggest.show{display:block;}
.term-suggest button{display:block; width:100%; text-align:left; padding:8px 12px; font-family:var(--mono); font-size:.8rem; color:var(--term-text);}
.term-suggest button:hover,.term-suggest button.active{background:#2b2822; color:var(--mint);}

/* ---------- hero terminal (embedded, not overlay) ---------- */
.hero-term{background:var(--term-bg); color:var(--term-text); border-radius:10px; padding:0; overflow:hidden; box-shadow:0 20px 50px rgba(20,19,16,.18);}
.hero-term .term-bar{border-bottom:1px solid #2a2822;}
.hero-term .term-body{min-height:220px; max-height:340px;}
.blink{display:inline-block; width:8px; height:1.1em; background:var(--mint); vertical-align:-2px; animation:blink 1s steps(1) infinite;}
@keyframes blink{50%{opacity:0;}}
@media (prefers-reduced-motion:reduce){.blink{animation:none;}}

/* ---------- command palette ---------- */
.palette-overlay{position:fixed; inset:0; background:rgba(20,19,16,.5); z-index:98; opacity:0; pointer-events:none; transition:opacity var(--transition); display:flex; align-items:flex-start; justify-content:center; padding-top:12vh;}
.palette-overlay.open{opacity:1; pointer-events:auto;}
.palette{width:min(560px,92vw); max-height:64vh; background:var(--surface); border-radius:10px; overflow:hidden; box-shadow:0 30px 70px rgba(0,0,0,.3); display:flex; flex-direction:column; transform:translateY(-8px); transition:transform var(--transition);}
.palette-overlay.open .palette{transform:translateY(0);}
.palette-input{display:flex; align-items:center; gap:10px; padding:16px 18px; border-bottom:1px solid var(--line);}
.palette-input input{flex:1; border:none; background:transparent; font-family:var(--mono); font-size:.95rem;}
.palette-results{overflow-y:auto; padding:8px;}
.palette-group-label{font-family:var(--mono); font-size:.68rem; color:var(--graphite); padding:10px 10px 4px;}
.palette-item{display:flex; justify-content:space-between; align-items:center; padding:10px 12px; border-radius:6px;}
.palette-item:hover,.palette-item.active{background:var(--cream-dim);}
.palette-item .t{font-family:var(--sans); font-size:.92rem;}
.palette-item .k{font-family:var(--mono); font-size:.68rem; color:var(--graphite);}
.palette-empty{padding:30px 18px; text-align:center; font-family:var(--mono); font-size:.82rem; color:var(--graphite);}

/* ---------- toast ---------- */
.toast-stack{position:fixed; left:50%; bottom:24px; transform:translateX(-50%); z-index:120; display:flex; flex-direction:column; gap:8px; align-items:center;}
.toast{background:var(--ink); color:var(--cream); font-family:var(--mono); font-size:.8rem; padding:10px 16px; border-radius:20px; opacity:0; transform:translateY(6px); transition:all 220ms var(--ease);}
.toast.show{opacity:1; transform:translateY(0);}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line); background:var(--cream-dim);}
.footer-grid{display:grid; grid-template-columns:1.4fr repeat(3,1fr); gap:40px; padding:var(--pad) 0 40px;}
.footer-brand{font-family:var(--display); font-size:1.3rem; font-weight:700;}
.footer-brand small{display:block; font-family:var(--mono); font-size:.7rem; color:var(--graphite); margin-top:6px; font-weight:400;}
.footer-loop{margin-top:18px; font-family:var(--mono); font-size:.72rem; color:var(--graphite); letter-spacing:.04em;}
.footer-col h4{font-family:var(--mono); font-size:.7rem; letter-spacing:.04em; color:var(--graphite); margin-bottom:12px; font-weight:500;}
.footer-col a{display:block; font-size:.9rem; padding:5px 0; color:var(--ink-soft);}
.footer-col a:hover{color:var(--cobalt);}
.footer-bottom{border-top:1px solid var(--line); padding:18px 0; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px; font-family:var(--mono); font-size:.74rem; color:var(--graphite);}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr; gap:28px 20px;}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- utility grid/badges ---------- */
.tag{display:inline-flex; align-items:center; font-family:var(--mono); font-size:.7rem; letter-spacing:.02em; padding:3px 9px; border-radius:20px;}
.tag-cobalt{background:var(--cobalt-dim); color:var(--cobalt);}
.tag-tomato{background:var(--tomato-dim); color:var(--tomato);}
.tag-citrus{background:var(--citrus-dim); color:#8a6b00;}
.tag-mint{background:var(--mint-dim); color:var(--mint);}
.tag-lavender{background:var(--lavender-dim); color:var(--lavender);}
.tag-peach{background:var(--peach-dim); color:#a15b26;}
html.dark .tag-citrus{color:var(--citrus);}
html.dark .tag-peach{color:var(--peach);}

.status-dot-sm{width:6px; height:6px; border-radius:50%; display:inline-block; margin-right:6px;}

/* ---------- shared cards / rows ---------- */
.row-list{border-top:1px solid var(--line);}
.row-item{display:grid; grid-template-columns:60px 1fr auto auto; gap:20px; align-items:center; padding:20px 0; border-bottom:1px solid var(--line); transition:background var(--transition);}
.row-item:hover{background:var(--cream-dim);}
.row-num{font-family:var(--mono); font-size:.78rem; color:var(--graphite);}
.row-title{font-family:var(--display); font-size:1.15rem; font-weight:600;}
.row-desc{font-family:var(--sans); font-size:.88rem; color:var(--graphite); margin-top:4px; max-width:52ch;}
.row-meta{font-family:var(--mono); font-size:.72rem; color:var(--graphite); text-align:right; white-space:nowrap;}
@media (max-width:760px){
  .row-item{grid-template-columns:1fr; gap:6px; padding:18px 0;}
  .row-meta{text-align:left;}
}

.filter-bar{display:flex; flex-wrap:wrap; gap:8px; padding:20px 0;}
.filter-chip{font-family:var(--mono); font-size:.76rem; padding:7px 14px; border:1px solid var(--line); border-radius:20px; color:var(--graphite);}
.filter-chip:hover{border-color:var(--ink); color:var(--ink);}
.filter-chip.active{background:var(--ink); color:var(--cream); border-color:var(--ink);}

.field{display:flex; flex-direction:column; gap:6px; margin-bottom:18px;}
.field label{font-family:var(--mono); font-size:.72rem; color:var(--graphite);}
.field input,.field textarea,.field select{border:1px solid var(--line); border-radius:var(--radius); padding:12px 14px; background:var(--surface);}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--cobalt);}
.field.error input,.field.error textarea{border-color:var(--tomato);}
.field-error{font-family:var(--mono); font-size:.72rem; color:var(--tomato); display:none;}
.field.error .field-error{display:block;}
.radio-group{display:flex; flex-wrap:wrap; gap:8px;}
.radio-chip{font-family:var(--mono); font-size:.78rem; padding:9px 14px; border:1px solid var(--line); border-radius:20px;}
.radio-chip input{position:absolute; opacity:0; pointer-events:none;}
.radio-chip.selected{background:var(--ink); color:var(--cream); border-color:var(--ink);}

.progress-track{height:8px; background:var(--line); border-radius:4px; overflow:hidden;}
.progress-fill{height:100%; border-radius:4px; transition:width 900ms var(--ease);}

.empty-state{text-align:center; padding:70px 20px; border:1px dashed var(--line); border-radius:8px;}
.empty-state h3{margin-bottom:8px;}
.empty-state p{color:var(--graphite); margin-bottom:20px;}

.reading-progress{position:fixed; top:0; left:0; height:3px; background:var(--tomato); z-index:80; width:0%; transition:width 80ms linear;}

.save-btn{display:inline-flex; align-items:center; gap:6px; font-family:var(--mono); font-size:.76rem; padding:9px 14px; border:1px solid var(--line); border-radius:20px; color:var(--graphite);}
.save-btn:hover{border-color:var(--ink); color:var(--ink);}
.save-btn.saved{background:var(--tomato-dim); color:var(--tomato); border-color:var(--tomato-dim);}

::selection{background:var(--citrus); color:var(--ink);}

@media (max-width:640px){
  h1{font-size:2.1rem;}
  .footer-bottom{flex-direction:column; align-items:flex-start;}
}

.skip-link{position:absolute; left:-999px; top:0; background:var(--ink); color:var(--cream); padding:10px 16px; z-index:200; font-family:var(--mono); font-size:.8rem;}
.skip-link:focus{left:12px; top:12px;}

@media print{
  .site-header,.term-launch,.drawer,.drawer-overlay,.term-panel,.term-overlay,.palette-overlay,.toast-stack,.site-footer{display:none !important;}
}