/* =========================================================================
   Adam Hafez — article stylesheet ("Brutalist × Terminal")
   Tokens, reset, and page background come from ../base.css (single source).
   This file = article-only components + a narrower content width for reading.
   ========================================================================= */

@import url('../base.css');

:root{ --maxw:900px; }              /* narrower column for long-form readability */
body{ line-height:1.75; }           /* roomier leading for prose */

/* --- Navigation --- */
.article-nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(10,11,10,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);box-shadow:0 1px 0 0 rgba(214,255,63,.22);
}
.article-nav .nav-inner{max-width:1320px;margin:0 auto;padding:14px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.article-nav .logo{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-weight:700;font-size:14px;color:var(--ink);text-decoration:none}
.article-nav .logo::before{content:"adam@hafez:~$";color:var(--ink)}
.article-nav .logo span{display:none}
.article-nav .nav-links{list-style:none;display:flex;align-items:center;gap:22px;margin:0;padding:0;overflow-x:auto;-webkit-overflow-scrolling:touch}
.article-nav .nav-links li{flex:0 0 auto}
.article-nav .nav-links a{font-family:var(--mono);font-size:13px;color:var(--muted);text-decoration:none;transition:color .2s;white-space:nowrap}
.article-nav .nav-links a:not(.linkedin-link)::before{content:"~/";color:var(--faint)}
.article-nav .nav-links a:hover{color:var(--acc)}
.article-nav .linkedin-link{display:inline-flex;align-items:center;color:var(--muted)}
.article-nav .linkedin-link:hover{color:var(--acc)}

/* --- Layout --- */
.article-container{max-width:760px;margin:0 auto;padding:6.5rem 1.5rem 4rem;position:relative;z-index:2}

/* --- Header --- */
.article-header{margin-bottom:3rem;padding-bottom:2rem;border-bottom:1px solid var(--line-2)}
.article-header h1{
  font-family:var(--display);font-weight:400;text-transform:uppercase;
  font-size:clamp(2rem,5.5vw,3.4rem);color:var(--ink);line-height:.98;letter-spacing:.01em;margin-bottom:1.2rem;
}
.article-meta{font-family:var(--mono);color:var(--muted);font-size:.82rem;display:flex;gap:1.4rem;flex-wrap:wrap}
.article-meta span{display:flex;align-items:center;gap:.4rem}

/* --- Prose --- */
.article-body h2{
  font-family:var(--display);font-weight:400;text-transform:uppercase;letter-spacing:.01em;
  font-size:clamp(1.5rem,3.4vw,2.1rem);color:var(--ink);line-height:1;margin:3.2rem 0 1.1rem;padding-top:1rem;
}
.article-body h3{font-family:var(--body);font-size:1.15rem;font-weight:700;color:var(--ink);margin:2rem 0 .75rem}
.article-body p{margin-bottom:1.25rem;color:var(--lede)}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:2px;transition:color .2s}
.article-body a:hover{color:var(--acc)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.25rem 1.5rem;color:var(--lede)}
.article-body li{margin-bottom:.4rem}

/* --- Lede --- */
.lede{font-size:1.18rem;line-height:1.8;color:var(--ink);margin-bottom:2rem}

/* --- Code --- */
pre{
  background:var(--panel);border:1px solid var(--line-2);border-radius:8px;
  padding:1.25rem 1.5rem;overflow-x:auto;margin:1.5rem 0;
  font-family:var(--mono);font-size:.85rem;line-height:1.65;color:var(--ink);
}
code{font-family:var(--mono);font-size:.88em}
p code,li code{background:rgba(214,255,63,.1);padding:.15em .4em;border-radius:4px;color:var(--acc);font-size:.85em}
.code-label{
  display:inline-block;font-family:var(--mono);font-size:.72rem;font-weight:500;
  color:var(--muted);background:var(--panel-2);border:1px solid var(--line-2);border-bottom:none;
  padding:.25rem .7rem;border-radius:6px 6px 0 0;margin-bottom:-1px;position:relative;z-index:1;
}
.code-label+pre{margin-top:0;border-top-left-radius:0}

/* --- Comparison panels (semantic engine colors kept) --- */
.comparison{display:grid;grid-template-columns:1fr;gap:1rem;margin:2rem 0}
@media(min-width:640px){.comparison{grid-template-columns:1fr 1fr}.comparison.three-col{grid-template-columns:1fr 1fr 1fr}}
.comparison-panel{background:var(--panel);border:1px solid var(--line-2);border-radius:8px;overflow:hidden}
.comparison-panel .panel-header{padding:.6rem 1rem;font-family:var(--mono);font-size:.8rem;font-weight:500;border-bottom:1px solid var(--line)}
.comparison-panel pre{margin:0;border:none;border-radius:0;font-size:.78rem;padding:1rem}
.panel-godot .panel-header{color:var(--ok);background:rgba(134,239,172,.08)}
.panel-unity .panel-header{color:var(--info);background:rgba(147,197,253,.08)}
.panel-unreal .panel-header{color:var(--bad);background:rgba(252,165,165,.08)}

/* --- Table --- */
.comparison-table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.88rem}
.comparison-table th{text-align:left;padding:.75rem 1rem;background:rgba(214,255,63,.1);color:var(--ink);font-family:var(--mono);font-weight:500;font-size:.82rem;border-bottom:2px solid rgba(214,255,63,.3)}
.comparison-table td{padding:.65rem 1rem;border-bottom:1px solid var(--line);color:var(--lede);vertical-align:top}
.comparison-table tr:hover td{background:var(--panel)}
.yes{color:var(--ok)}.no{color:var(--bad)}.partial{color:var(--warn)}

/* --- Callout --- */
.callout{background:rgba(214,255,63,.06);border-left:3px solid var(--acc);padding:1.25rem 1.5rem;margin:1.5rem 0;border-radius:0 8px 8px 0}
.callout p{margin-bottom:0;color:var(--ink)}
.callout p+p{margin-top:.75rem}
.callout-warn{background:rgba(252,165,165,.06);border-left-color:var(--bad)}

/* --- Timeline --- */
.timeline-list{list-style:none;margin:1.5rem 0;padding:0;border-left:2px solid rgba(214,255,63,.3)}
.timeline-list li{padding:.6rem 0 .6rem 1.5rem;position:relative}
.timeline-list li::before{content:'';position:absolute;left:-5px;top:1rem;width:8px;height:8px;border-radius:50%;background:var(--acc)}
.timeline-list .year{font-family:var(--mono);font-weight:500;color:var(--cyan);font-size:.85rem}

/* --- Stat blocks --- */
.stat-row{display:flex;flex-wrap:wrap;gap:1rem;margin:1.5rem 0}
.stat-block{flex:1;min-width:140px;background:var(--panel);border:1px solid var(--line-2);border-radius:8px;padding:1.1rem 1.25rem;text-align:center}
.stat-block .stat-number{font-family:var(--display);font-size:2rem;font-weight:400;color:var(--acc);line-height:1}
.stat-block .stat-label{font-family:var(--mono);font-size:.74rem;color:var(--muted);margin-top:.4rem}

/* --- Footer / author --- */
.article-footer{margin-top:4rem;padding-top:2rem;border-top:1px solid var(--line-2)}
.author-card{display:flex;gap:1.25rem;align-items:flex-start}
.author-card img{width:56px;height:56px;border-radius:6px;object-fit:cover;border:1px solid var(--line-2);filter:grayscale(1) contrast(1.05)}
.author-card .author-info h3{font-family:var(--mono);font-size:.95rem;color:var(--ink);margin:0 0 .25rem}
.author-card .author-info p{font-size:.88rem;color:var(--muted);margin:0}
.author-card .author-info a{color:var(--acc);text-decoration:none}

/* --- .uasset layout diagram --- */
.uasset-layout{margin:1.5rem 0;border:1px solid var(--line-2);border-radius:8px;overflow:hidden;font-family:var(--mono);font-size:.85rem}
.uasset-label{padding:.5rem 1rem;background:rgba(214,255,63,.1);color:var(--muted);font-size:.78rem;font-weight:500;border-bottom:1px solid var(--line-2)}
.uasset-row{display:flex;border-bottom:1px solid var(--line);background:var(--panel)}
.uasset-row:last-child{border-bottom:none}
.uasset-section{flex:3;padding:.7rem 1rem;color:var(--ink);font-weight:500;border-right:1px solid var(--line)}
.uasset-detail{font-weight:400;font-size:.78rem;color:var(--muted)}
.uasset-desc{flex:2;padding:.7rem 1rem;color:var(--muted);font-size:.78rem;display:flex;align-items:center}
.uasset-magic .uasset-section{color:var(--acc)}
.uasset-bulk{background:var(--panel-2)}
@media(max-width:640px){.uasset-row{flex-direction:column}.uasset-desc{width:100%;padding:0 1rem .7rem}.uasset-section{border-right:none}}

/* --- Editor notes --- */
.editor-note{font-style:italic;color:var(--muted);font-size:.9rem;padding:.75rem 1.25rem;border-left:2px solid var(--line-2);margin:1.25rem 0}
.editor-note::before{content:"Editor's note: ";font-weight:600;color:var(--cyan);font-style:normal}

/* --- References --- */
.references{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--line-2)}
.references h2{font-family:var(--mono);font-size:1rem;font-weight:500;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:1rem}
.references ol{margin:0 0 0 1.25rem;color:var(--muted-deep);font-size:.8rem;line-height:1.6}
.references li{margin-bottom:.4rem}
.references .ref-title{color:var(--muted)}
.references a{color:var(--muted-deep);text-decoration:underline;text-underline-offset:2px;word-break:break-all}
.references a:hover{color:var(--acc)}

/* --- Footnotes --- */
sup.fn{font-size:.7em;line-height:0;vertical-align:super}
sup.fn a{color:var(--cyan);text-decoration:none;padding:0 .1em}
sup.fn a:hover{color:var(--acc)}

/* --- Syntax coloring --- */
.syn-key{color:#c4b5fd}.syn-str{color:var(--ok)}.syn-num{color:var(--warn)}
.syn-comment{color:var(--muted-deep)}.syn-type{color:var(--info)}.syn-tag{color:#f9a8d4}

/* --- a11y --- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* --- Responsive --- */
@media(max-width:640px){
  .article-nav .nav-inner{padding:12px 16px}
  .article-container{padding:5.5rem 1rem 3rem}
  pre{font-size:.75rem;padding:1rem}
  .comparison-table{font-size:.8rem}
  .comparison-table th,.comparison-table td{padding:.5rem .6rem}
  .stat-block .stat-number{font-size:1.6rem}
}

/* --- Reduced motion --- */
@media(prefers-reduced-motion:reduce){*{transition-duration:.001ms!important;scroll-behavior:auto!important}}