/* CanIRunLLM — single hand-written CSS, system font stack, no framework */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--c-green:#2e7d32;--c-red:#c62828;--c-amber:#e65100;--c-bg:#fff;--c-fg:#1a1a1a;--c-muted:#666;--c-border:#e0e0e0;--c-surface:#f8f9fa;--c-link:#1565c0;--w-main:860px;--radius:6px}
html{font-size:16px;line-height:1.6;color:var(--c-fg);background:var(--c-bg);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
body{min-height:100vh;display:flex;flex-direction:column}
a{color:var(--c-link);text-decoration:none}
a:hover{text-decoration:underline}
.site-nav{max-width:var(--w-main);margin:0 auto;padding:1rem 1.5rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--c-border)}
.nav-logo{font-weight:700;font-size:1.15rem;color:var(--c-fg)}
.nav-links{list-style:none;display:flex;gap:1.25rem}
.nav-links a{color:var(--c-muted);font-size:.9rem}
.site-main{max-width:var(--w-main);margin:0 auto;padding:2rem 1.5rem;flex:1}
.site-footer{max-width:var(--w-main);margin:2rem auto 0;padding:1.5rem;border-top:1px solid var(--c-border);text-align:center;font-size:.85rem;color:var(--c-muted)}
.footer-links{display:flex;gap:1.25rem;justify-content:center;margin-bottom:.5rem}
.footer-meta{font-size:.8rem}
.breadcrumb{font-size:.85rem;color:var(--c-muted);margin-bottom:1.5rem}
.breadcrumb a{color:var(--c-muted)}
h1{font-size:1.75rem;margin-bottom:1rem;line-height:1.3}
h2{font-size:1.25rem;margin:1.5rem 0 .75rem}
h3{font-size:1.05rem;margin:1rem 0 .5rem}
section{margin-bottom:2rem}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{padding:.5rem .75rem;text-align:left;border-bottom:1px solid var(--c-border)}
th{font-weight:600;background:var(--c-surface);white-space:nowrap}
tr:hover{background:var(--c-surface)}

/* Verdict */
.verdict{padding:1.25rem;border-radius:var(--radius);margin-bottom:1.5rem}
.verdict-fits{background:#e8f5e9;border:1px solid var(--c-green)}
.verdict-no-fit{background:#fbe9e7;border:1px solid var(--c-red)}
.verdict-badge{font-size:1.25rem;font-weight:700;margin-bottom:.5rem}
.verdict-badge.fits{color:var(--c-green)}
.verdict-badge.no-fit{color:var(--c-red)}
.verdict-headline{font-size:1.05rem}
.speed-band{font-size:.8rem;padding:2px 8px;border-radius:12px;font-weight:600}
.speed-fast{background:#c8e6c9;color:#1b5e20}
.speed-smooth{background:#dcedc8;color:#33691e}
.speed-usable{background:#fff9c4;color:#f57f17}
.speed-slow{background:#ffccbc;color:#bf360c}

/* Math table */
.math-table{max-width:520px}
.math-formula td,.math-formula th{background:#f3e5f5}

/* Alternatives */
.alternative-block{background:var(--c-surface);padding:1rem;border-radius:var(--radius);margin-bottom:.75rem}

/* Spec grid */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.spec-card{background:var(--c-surface);padding:1rem;border-radius:var(--radius)}
.spec-card h3{margin-top:0}

/* Mini-FAQ */
details{margin-bottom:.75rem;padding:.75rem;background:var(--c-surface);border-radius:var(--radius)}
summary{cursor:pointer;font-weight:600}
details p{padding-top:.5rem}

/* Explore */
.explore-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.explore-card{background:var(--c-surface);padding:1rem;border-radius:var(--radius)}
.explore-more{display:inline-block;margin-top:.5rem;font-size:.85rem}

/* Hub tables */
.hub-intro{margin-bottom:1.5rem;line-height:1.7}
.fits-row{--row-color:var(--c-green)}
.no-fit-row{--row-color:var(--c-red);opacity:.7}

/* Homepage */
.hero{text-align:center;padding:2rem 0 1rem}
.hero h1{font-size:2rem;margin-bottom:.5rem}
.hero-subtitle{font-size:1.1rem;color:var(--c-muted);max-width:620px;margin:0 auto 2rem}
.picker{max-width:540px;margin:0 auto 2rem}
.picker-row{display:flex;gap:.75rem;margin-bottom:1rem}
.picker-field{flex:1;position:relative}
.picker-field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:.25rem}
.picker-field input{width:100%;padding:.6rem .75rem;border:1px solid var(--c-border);border-radius:var(--radius);font-size:.95rem}
.picker-field input:focus{outline:2px solid var(--c-link);outline-offset:-1px}
.picker-results{position:absolute;top:100%;left:0;right:0;background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--radius);max-height:220px;overflow-y:auto;display:none;z-index:10}
.picker-results.active{display:block}
.picker-result-item{padding:.5rem .75rem;cursor:pointer;border-bottom:1px solid var(--c-border)}
.picker-result-item:hover,.picker-result-item.selected{background:#e3f2fd}
.picker-result-item small{color:var(--c-muted)}
.btn{display:inline-block;padding:.6rem 1.25rem;border-radius:var(--radius);font-weight:600;font-size:.9rem;cursor:pointer;border:none;text-align:center}
.btn-primary{background:var(--c-link);color:#fff}
.btn-primary:hover{opacity:.9;text-decoration:none}
.btn-primary:disabled{opacity:.4;cursor:default}
.btn-affiliate{background:#ff9900;color:#000}
.hero-stats{display:flex;justify-content:center;gap:2rem;margin:2rem 0}
.hero-stat{text-align:center}
.stat-number{display:block;font-size:1.5rem;font-weight:700}
.stat-label{font-size:.8rem;color:var(--c-muted);text-transform:uppercase;letter-spacing:.5px}

/* Popular combos */
.combo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.75rem}
.combo-card{display:flex;flex-direction:column;padding:.85rem;border:1px solid var(--c-border);border-radius:var(--radius);background:var(--c-surface)}
.combo-card:hover{text-decoration:none;border-color:var(--c-link)}
.combo-model{font-weight:600;font-size:.9rem}
.combo-vs{color:var(--c-muted);font-size:.8rem}
.combo-hardware{font-size:.85rem;margin-bottom:.35rem}
.combo-result{font-size:.8rem;font-weight:600}
.combo-result.fits{color:var(--c-green)}
.combo-result.no-fit{color:var(--c-red)}

/* How it works */
.steps{margin:1rem 0 1rem 1.5rem}
.steps li{margin-bottom:.5rem}

/* Best GPU picks */
.pick-card{background:var(--c-surface);border:2px solid var(--c-border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem;position:relative}
.pick-card:first-child{border-color:var(--c-link)}
.pick-badge{position:absolute;top:-10px;left:1rem;background:var(--c-link);color:#fff;padding:.15rem .75rem;border-radius:12px;font-size:.75rem;font-weight:700}
.pick-stats{display:flex;gap:1.5rem;margin:1rem 0}
.pick-stat{text-align:center}
.pick-why{margin-bottom:.75rem;font-size:.9rem}
.pick-actions{display:flex;gap:.5rem}

/* Model / Hardware index pages */
.model-list,.hardware-list{list-style:none;column-width:280px}
.model-list li,.hardware-list li{margin-bottom:.4rem}
.model-meta,.hardware-meta{font-size:.8rem;color:var(--c-muted);display:block}

/* Forms */
.form-group{margin-bottom:1rem}
.form-group label{display:block;font-weight:600;margin-bottom:.25rem;font-size:.9rem}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:.5rem .75rem;border:1px solid var(--c-border);border-radius:var(--radius);font-size:.9rem;font-family:inherit}
.form-note{font-size:.85rem;color:var(--c-muted);margin-top:1.5rem}

/* Responsive */
@media(max-width:640px){
  .spec-grid,.explore-grid{grid-template-columns:1fr}
  .hero-stats{flex-wrap:wrap;gap:1rem}
  .hero-stat{flex:0 0 45%}
  .picker-row{flex-direction:column}
  .pick-stats{flex-wrap:wrap;gap:.75rem}
}