/* ── CSS Triangle Generator ── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[x-cloak] { display: none !important; }

:root {
  --accent:  #f97316;
  --agrad:   linear-gradient(135deg,#f97316,#ea580c);
  --bg:      #09090f;
  --card:    #111119;
  --card2:   #16161f;
  --text:    #f1f5f9;
  --text2:   #94a3b8;
  --faint:   #64748b;
  --border:  #1c1c2a;
  --border2: #252535;
  --input:   #0d0d17;
  --radius:  14px;
}

body { background:var(--bg); color:var(--text); font-family:system-ui,-apple-system,sans-serif; line-height:1.6; min-height:100vh; }

/* ── HEADER ──────────────────────────────────── */
.site-header { position:sticky; top:0; z-index:100; background:rgba(9,9,15,.88); backdrop-filter:blur(12px); border-bottom:1px solid var(--border); }
.header-inner { max-width:1200px; margin:0 auto; padding:0 20px; display:flex; align-items:center; justify-content:space-between; height:56px; }
.logo { display:flex; align-items:center; gap:10px; text-decoration:none; }
.logo-icon { width:32px; height:32px; flex-shrink:0; }
.logo-text { font-size:.95rem; font-weight:800; background:var(--agrad); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.nav-links { display:flex; gap:24px; }
.nav-links a { color:var(--text2); text-decoration:none; font-size:.87rem; font-weight:500; transition:color .15s; }
.nav-links a:hover { color:var(--text); }

/* ── HERO ────────────────────────────────────── */
.hero { text-align:center; padding:52px 20px 36px; }
.hero-badge { display:inline-flex; align-items:center; gap:6px; background:rgba(249,115,22,.1); border:1px solid rgba(249,115,22,.25); color:#fdba74; border-radius:999px; padding:4px 14px; font-size:.78rem; font-weight:600; margin-bottom:18px; }
.hero h1 { font-size:clamp(2rem,5vw,2.8rem); font-weight:900; letter-spacing:-.03em; margin-bottom:12px; }
.g { background:var(--agrad); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero p { color:var(--text2); font-size:1rem; max-width:520px; margin:0 auto; }

/* ── PAGE WRAP ───────────────────────────────── */
.page-wrap { max-width:1100px; margin:0 auto; padding:0 20px 80px; }

/* ── MAIN LAYOUT ─────────────────────────────── */
.tg-layout {
  display:grid;
  grid-template-columns:280px 1fr;
  border:1px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  background:var(--border);
  gap:1px;
  margin-bottom:16px;
}

/* ── CONTROLS ────────────────────────────────── */
.tg-controls { background:var(--card); padding:24px 20px; }

.ctrl-sep { height:1px; background:var(--border); margin:18px 0; }
.ctrl-group { margin-bottom:18px; }
.ctrl-label { display:flex; justify-content:space-between; align-items:center; font-size:.73rem; font-weight:700; color:var(--text2); text-transform:uppercase; letter-spacing:.07em; margin-bottom:8px; }
.ctrl-val { color:var(--accent); font-weight:800; font-size:.8rem; font-variant-numeric:tabular-nums; }

input[type=range] { -webkit-appearance:none; appearance:none; width:100%; height:5px; background:var(--border2); border-radius:99px; outline:none; cursor:pointer; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance:none; width:16px; height:16px; border-radius:50%; background:var(--accent); border:2px solid var(--card); box-shadow:0 0 0 2px rgba(249,115,22,.3); }
input[type=range]::-moz-range-thumb { width:16px; height:16px; border-radius:50%; background:var(--accent); border:2px solid var(--card); }

.color-row { display:flex; align-items:center; gap:10px; }
.color-row input[type=color] { width:36px; height:36px; border:2px solid var(--border2); border-radius:8px; background:none; padding:2px; cursor:pointer; flex-shrink:0; }
.color-row input[type=color]::-webkit-color-swatch-wrapper { padding:0; border-radius:5px; }
.color-row input[type=color]::-webkit-color-swatch { border:none; border-radius:5px; }
.color-hex { flex:1; font-size:.82rem; font-family:monospace; color:var(--text2); }

/* Direction grid */
.dir-grid {
  display:grid;
  grid-template-columns:repeat(3, 44px);
  grid-template-rows:repeat(3, 44px);
  gap:6px;
}
.dir-cell {
  width:44px; height:44px; border-radius:8px;
  border:1px solid var(--border2); background:var(--input);
  color:var(--text2); font-size:1.1rem; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:all .15s;
}
.dir-cell:hover { border-color:var(--accent); color:var(--text); background:rgba(249,115,22,.08); }
.dir-cell.active { border-color:var(--accent); background:rgba(249,115,22,.15); color:var(--accent); }
.dir-center {
  width:44px; height:44px; border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  background:var(--border); border:1px dashed var(--border2);
  font-size:.65rem; color:var(--faint); letter-spacing:.05em;
  user-select:none;
}

/* ── PREVIEW ─────────────────────────────────── */
.tg-preview { background:var(--card2); display:flex; flex-direction:column; align-items:center; justify-content:center; padding:40px 32px; gap:20px; }

.preview-scene {
  width:100%; min-height:280px;
  border-radius:12px; overflow:hidden;
  display:flex; align-items:center; justify-content:center;
  /* checkerboard */
  background-color:#fff;
  background-image:
    linear-gradient(45deg,#e2e8f0 25%,transparent 25%),
    linear-gradient(-45deg,#e2e8f0 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,#e2e8f0 75%),
    linear-gradient(-45deg,transparent 75%,#e2e8f0 75%);
  background-size:20px 20px;
  background-position:0 0,0 10px,10px -10px,-10px 0;
}

/* the actual CSS triangle lives here */
.tri-shape { transition:border .1s; }

/* dimension labels */
.dim-labels { display:flex; gap:24px; align-items:center; }
.dim-label { display:flex; align-items:center; gap:6px; font-size:.78rem; color:var(--text2); }
.dim-label span { font-weight:800; color:var(--text); font-variant-numeric:tabular-nums; }
.dir-label { font-size:.82rem; font-weight:700; color:var(--accent); background:rgba(249,115,22,.1); border:1px solid rgba(249,115,22,.2); padding:3px 12px; border-radius:999px; }

/* ── CSS OUTPUT ──────────────────────────────── */
.tg-code-wrap { background:var(--card); border:1px solid var(--border); border-radius:14px; overflow:hidden; margin-bottom:40px; }
.tg-code-head { display:flex; align-items:center; justify-content:space-between; padding:12px 18px; border-bottom:1px solid var(--border); }
.tg-code-title { font-size:.8rem; font-weight:700; color:var(--text2); display:flex; align-items:center; gap:6px; }
.tg-code-title svg { width:14px; height:14px; }
.copy-btn { display:inline-flex; align-items:center; gap:6px; padding:7px 14px; border-radius:8px; font-size:.8rem; font-weight:700; border:1px solid var(--border2); background:var(--input); color:var(--text2); cursor:pointer; transition:all .15s; }
.copy-btn:hover { border-color:var(--accent); color:var(--text); }
.copy-btn.done { border-color:#4ade80; color:#4ade80; background:rgba(74,222,128,.08); }
.copy-btn svg { width:13px; height:13px; }
.tg-code-body { padding:20px 22px; }
.tg-code-body pre { font-family:'Fira Code','Cascadia Code',Consolas,monospace; font-size:.84rem; line-height:1.8; color:var(--text2); white-space:pre; }

/* ── INFO SECTIONS ───────────────────────────── */
.info-sections { display:flex; flex-direction:column; gap:20px; margin-bottom:48px; }
.info-section { background:var(--card); border:1px solid var(--border); border-radius:16px; padding:32px 36px; }
.info-icon-row { display:flex; align-items:center; gap:14px; margin-bottom:14px; }
.info-icon { width:40px; height:40px; border-radius:10px; background:rgba(249,115,22,.1); border:1px solid rgba(249,115,22,.2); display:flex; align-items:center; justify-content:center; flex-shrink:0; color:var(--accent); }
.info-icon svg { width:18px; height:18px; }
.info-section h2 { font-size:1.1rem; font-weight:800; }
.info-body { color:var(--text2); font-size:.9rem; line-height:1.8; }
.info-body p + p { margin-top:10px; }
.info-body ul { padding-left:20px; display:flex; flex-direction:column; gap:6px; }
.info-body strong { color:var(--text); font-weight:700; }
.info-body code { font-family:monospace; font-size:.83em; background:var(--border); padding:1px 5px; border-radius:4px; color:var(--accent); }

/* ── RELATED / BLOG ──────────────────────────── */
.related-section { margin-bottom:48px; }
.related-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; }
.related-header h2 { font-size:1.15rem; font-weight:800; }
.view-all-link { display:inline-flex; align-items:center; gap:4px; font-size:.82rem; font-weight:600; color:var(--accent); text-decoration:none; }
.view-all-link svg { width:14px; height:14px; }
.related-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:14px; }
.related-tool-card { display:flex; flex-direction:column; gap:10px; background:var(--card); border:1px solid var(--border); border-radius:14px; padding:18px; text-decoration:none; color:inherit; transition:border-color .15s,transform .15s; }
.related-tool-card:hover { border-color:var(--accent); transform:translateY(-2px); }
.rt-icon { width:40px; height:40px; border-radius:10px; display:flex; align-items:center; justify-content:center; }
.rt-icon svg { width:20px; height:20px; color:#fff; }
.rt-name { font-size:.9rem; font-weight:700; }
.rt-desc { font-size:.78rem; color:var(--text2); line-height:1.5; flex:1; }
.rt-link { display:inline-flex; align-items:center; gap:3px; font-size:.76rem; font-weight:700; color:var(--accent); }
.rt-link svg { width:12px; height:12px; }
.blog-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:14px; }
.blog-card { display:flex; flex-direction:column; gap:8px; background:var(--card); border:1px solid var(--border); border-radius:14px; padding:20px; text-decoration:none; color:inherit; transition:border-color .15s; }
.blog-card:hover { border-color:var(--accent); }
.blog-cat { display:inline-block; padding:2px 10px; border-radius:999px; font-size:.71rem; font-weight:700; }
.blog-title { font-size:.92rem; font-weight:700; line-height:1.35; }
.blog-excerpt { font-size:.8rem; color:var(--text2); line-height:1.55; flex:1; }
.blog-meta { font-size:.72rem; color:var(--faint); }
.blog-read { display:inline-flex; align-items:center; gap:3px; font-size:.76rem; font-weight:700; color:var(--accent); margin-top:auto; }
.blog-read svg { width:12px; height:12px; }

/* ── FOOTER ──────────────────────────────────── */
.site-footer { background:var(--card); border-top:1px solid var(--border); padding:48px 20px 0; }
.footer-inner { max-width:1200px; margin:0 auto; display:grid; grid-template-columns:1fr auto; gap:40px; padding-bottom:40px; }
.footer-brand { max-width:280px; }
.footer-tagline { font-size:.82rem; color:var(--text2); margin-top:10px; line-height:1.55; }
.footer-nav-wrap { display:flex; gap:48px; }
.footer-col { display:flex; flex-direction:column; gap:8px; }
.footer-col h4 { font-size:.78rem; font-weight:700; color:var(--text2); text-transform:uppercase; letter-spacing:.07em; margin-bottom:12px; }
.footer-col a { font-size:.84rem; color:var(--faint); text-decoration:none; transition:color .15s; }
.footer-col a:hover { color:var(--text); }
.footer-bottom { border-top:1px solid var(--border); padding:16px 0; }
.footer-bottom .inner { max-width:1200px; margin:0 auto; padding:0 20px; display:flex; justify-content:space-between; align-items:center; }
.footer-bottom p { font-size:.78rem; color:var(--faint); }