*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0f1117;--bg2:#1a1d27;--bg3:#222636;--text:#e2e4ed;--text-dim:#8b8fa3;--accent:#f59e0b;--accent2:#fbbf24;--green:#22c55e;--red:#ef4444;--blue:#3b82f6;--border:#2a2e3d;--radius:8px;--shadow:0 4px 24px rgba(0,0,0,.3)}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent2)}

.site-header{background:var(--bg2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:56px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:700;color:var(--text)}
.logo .accent{color:var(--accent)}
.site-nav{display:flex;gap:24px}
.site-nav a{color:var(--text-dim);font-size:.9rem;font-weight:500;padding:4px 0;border-bottom:2px solid transparent;transition:all .2s}
.site-nav a:hover{color:var(--text);border-bottom-color:var(--accent)}

.section-sub{color:var(--text-dim);margin-bottom:24px;font-size:.95rem}

.planner-section{padding:40px 24px}
.planner-layout{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:1fr 360px;gap:32px;align-items:start}
.component-picker h2{font-size:1.5rem;margin-bottom:4px}
.picker-group{margin-bottom:20px}
.picker-label{display:block;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-dim);margin-bottom:6px}
.picker-row{display:flex;gap:8px;align-items:center}
.component-select{flex:1;background:var(--bg3);border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:var(--radius);font-size:.9rem;cursor:pointer;appearance:auto}
.component-select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(245,158,11,.15)}
.btn-clear{background:var(--bg3);border:1px solid var(--border);color:var(--text-dim);width:36px;height:36px;border-radius:var(--radius);cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center}
.btn-clear:hover{color:var(--red);border-color:var(--red)}
.component-wattage{display:block;font-size:.8rem;color:var(--accent);margin-top:4px;font-weight:500}
.input-number{background:var(--bg3);border:1px solid var(--border);color:var(--text);padding:8px 12px;border-radius:var(--radius);font-size:.9rem;width:60px;text-align:center}
.input-number:focus{outline:none;border-color:var(--accent)}
.input-suffix{color:var(--text-dim);font-size:.85rem}
.input-number-sm{background:var(--bg3);border:1px solid var(--border);color:var(--text);padding:8px;border-radius:var(--radius);font-size:.85rem;width:70px}
.input-text{flex:1;background:var(--bg3);border:1px solid var(--border);color:var(--text);padding:8px 12px;border-radius:var(--radius);font-size:.85rem}
.input-text:focus,.input-number-sm:focus{outline:none;border-color:var(--accent)}

.storage-list{margin-bottom:8px}
.storage-item{display:flex;align-items:center;justify-content:space-between;background:var(--bg3);padding:6px 12px;border-radius:var(--radius);margin-bottom:4px;font-size:.85rem}
.storage-item .remove-storage{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:1.1rem;padding:0 4px}
.storage-item .remove-storage:hover{color:var(--red)}
.storage-controls{display:flex;gap:8px}
.storage-controls .component-select{flex:1}

.btn-add{background:var(--bg3);border:1px dashed var(--border);color:var(--accent);padding:8px 16px;border-radius:var(--radius);cursor:pointer;font-size:.85rem;font-weight:500}
.btn-add:hover{background:var(--accent);color:#000}

.extras-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.checkbox-label{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-dim);cursor:pointer;padding:6px 10px;background:var(--bg3);border-radius:var(--radius);border:1px solid var(--border)}
.checkbox-label:hover{border-color:var(--accent)}
.checkbox-label input{accent-color:var(--accent)}

.custom-add-row{display:flex;gap:8px;margin-top:8px}
.custom-list{margin-bottom:4px}
.custom-item{display:flex;align-items:center;justify-content:space-between;background:var(--bg3);padding:6px 12px;border-radius:var(--radius);margin-bottom:4px;font-size:.85rem}
.custom-item .remove-custom{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:1.1rem;padding:0 4px}
.custom-item .remove-custom:hover{color:var(--red)}

.overclock-toggle{margin-bottom:20px;padding:12px 16px;background:var(--bg3);border-radius:var(--radius);border:1px solid var(--border)}
.toggle-label{display:flex;align-items:center;gap:12px;cursor:pointer;font-size:.9rem}
.toggle-label input{display:none}
.toggle-track{width:44px;height:24px;background:var(--bg);border-radius:12px;position:relative;flex-shrink:0;border:1px solid var(--border)}
.toggle-thumb{position:absolute;width:18px;height:18px;background:var(--text-dim);border-radius:50%;top:2px;left:2px;transition:all .2s}
.toggle-label input:checked+.toggle-track{background:rgba(245,158,11,.2);border-color:var(--accent)}
.toggle-label input:checked+.toggle-track .toggle-thumb{background:var(--accent);left:22px}

.action-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.btn-primary{background:var(--accent);color:#000;border:none;padding:10px 20px;border-radius:var(--radius);font-weight:600;cursor:pointer;font-size:.9rem}
.btn-primary:hover{background:var(--accent2)}
.btn-secondary{background:var(--bg3);color:var(--text);border:1px solid var(--border);padding:10px 20px;border-radius:var(--radius);font-weight:500;cursor:pointer;font-size:.9rem}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{background:var(--bg3);color:var(--text);border:1px solid var(--border);padding:4px 10px;border-radius:var(--radius);font-size:.8rem;cursor:pointer}
.btn-sm:hover{border-color:var(--accent)}
.btn-danger:hover{border-color:var(--red);color:var(--red)}

.power-summary{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:24px}
.summary-sticky{position:sticky;top:72px}
.summary-sticky h2{font-size:1.1rem;margin-bottom:16px}
.summary-total{text-align:center;padding:20px;background:var(--bg3);border-radius:var(--radius);margin-bottom:16px}
.summary-label{display:block;font-size:.8rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.summary-value{display:block;font-size:2.5rem;font-weight:700;color:var(--accent)}
.summary-bar{height:8px;background:var(--bg);border-radius:4px;margin-bottom:20px;overflow:hidden}
.summary-bar-fill{height:100%;width:0%;background:var(--accent);border-radius:4px;transition:width .4s ease}
.psu-recommendation{text-align:center;padding:16px;background:var(--bg3);border-radius:var(--radius);margin-bottom:16px}
.psu-tier{font-size:1.8rem;font-weight:700;color:var(--text);margin-bottom:4px}
.psu-wattage{font-size:1rem;color:var(--accent);font-weight:600;margin-bottom:8px}
.psu-detail{font-size:.8rem;color:var(--text-dim)}
.psu-rating{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:var(--bg3);border-radius:var(--radius);margin-bottom:16px}
.rating-label{font-size:.85rem;color:var(--text-dim)}
.rating-value{font-weight:600;color:var(--text)}

.breakdown h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-dim);margin-bottom:8px}
.breakdown-list{list-style:none}
.breakdown-list li{display:flex;justify-content:space-between;padding:4px 0;font-size:.85rem;border-bottom:1px solid var(--border)}
.breakdown-list li:last-child{border-bottom:none;font-weight:600;color:var(--accent)}

.summary-actions{display:flex;gap:8px;margin-top:16px}
.summary-actions .btn-secondary{flex:1;text-align:center;padding:8px;font-size:.85rem}

.warning-area{margin-top:16px}
.warning-item{padding:10px 14px;border-radius:var(--radius);font-size:.85rem;margin-bottom:6px}
.warning-warn{background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.3);color:var(--accent)}
.warning-error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:var(--red)}
.warning-info{background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.3);color:var(--blue)}

.presets-section{padding:40px 24px;background:var(--bg2);border-top:1px solid var(--border)}
.presets-section h2{font-size:1.5rem;text-align:center;margin-bottom:4px}
.presets-section .section-sub{text-align:center;max-width:600px;margin:0 auto 32px}
.preset-grid{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.preset-card{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:24px;display:flex;flex-direction:column;transition:border-color .2s}
.preset-card:hover{border-color:var(--accent)}
.preset-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}
.preset-header h3{font-size:1.1rem}
.preset-price{font-size:.8rem;background:var(--bg3);padding:4px 10px;border-radius:20px;color:var(--accent);font-weight:500}
.preset-desc{font-size:.85rem;color:var(--text-dim);margin-bottom:12px;flex-grow:1}
.preset-specs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.preset-specs span{font-size:.75rem;background:var(--bg3);padding:3px 8px;border-radius:4px;color:var(--text-dim)}
.preset-power{font-size:.85rem;font-weight:600;color:var(--accent);margin-bottom:12px}
.btn-preset{background:var(--bg3);color:var(--accent);border:1px solid var(--accent);padding:8px;border-radius:var(--radius);cursor:pointer;font-weight:500;font-size:.85rem;width:100%}
.btn-preset:hover{background:var(--accent);color:#000}

.compare-section{padding:40px 24px;border-top:1px solid var(--border)}
.compare-section h2{font-size:1.5rem;text-align:center;margin-bottom:4px}
.compare-section .section-sub{text-align:center;max-width:600px;margin:0 auto 32px}
.compare-controls{max-width:1280px;margin:0 auto 24px}
.save-slots{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px}
.save-slot{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center}
.slot-label{display:block;font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-dim);margin-bottom:4px}
.slot-name{display:block;font-size:.9rem;font-weight:600;margin-bottom:4px;min-height:1.4em}
.slot-watts{display:block;font-size:.85rem;color:var(--accent);margin-bottom:8px;min-height:1.2em}
.slot-actions{display:flex;gap:6px;justify-content:center}
#compare-btn{display:block;margin:0 auto}
.compare-table-wrapper{max-width:1280px;margin:0 auto;overflow-x:auto}
.compare-table{width:100%;border-collapse:collapse;font-size:.85rem}
.compare-table th,.compare-table td{padding:10px 16px;text-align:left;border-bottom:1px solid var(--border)}
.compare-table th{background:var(--bg2);font-weight:600;text-transform:uppercase;font-size:.75rem;letter-spacing:.5px;color:var(--text-dim)}
.compare-table tr:last-child td{border-bottom:none}
.compare-table .diff-highlight{color:var(--accent);font-weight:600}

.guide-section{padding:40px 24px;background:var(--bg2);border-top:1px solid var(--border)}
.guide-section h2{font-size:1.5rem;text-align:center;margin-bottom:32px}
.guide-grid{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:20px}
.guide-card{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:24px}
.guide-card h3{font-size:1rem;margin-bottom:8px;color:var(--accent)}
.guide-card p{font-size:.85rem;color:var(--text-dim);line-height:1.7}

.site-footer{border-top:1px solid var(--border);padding:24px;margin-top:0}
.footer-inner{max-width:1280px;margin:0 auto;text-align:center}
.footer-inner p{font-size:.8rem;color:var(--text-dim);margin-bottom:4px}
.footer-links{display:flex;justify-content:center;gap:20px;margin-top:12px}
.footer-links a{font-size:.85rem}

@media(max-width:960px){
  .planner-layout{grid-template-columns:1fr}
  .summary-sticky{position:static}
  .site-nav{display:none}
  .extras-grid{grid-template-columns:1fr}
  .save-slots{grid-template-columns:1fr}
  .guide-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .header-inner{padding:0 16px}
  .planner-section,.presets-section,.compare-section,.guide-section{padding:24px 16px}
  .summary-value{font-size:2rem}
  .preset-grid{grid-template-columns:1fr}
}

.toast{position:fixed;bottom:24px;right:24px;background:var(--bg2);border:1px solid var(--accent);color:var(--text);padding:12px 20px;border-radius:var(--radius);font-size:.85rem;z-index:999;box-shadow:var(--shadow);animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@media print{
  .site-header,.summary-actions,.action-row,.compare-controls,.preset-card .btn-preset,.btn-clear,.btn-add,.storage-controls,.custom-add-row,.overclock-toggle,.site-footer,.warning-area{display:none!important}
  body{background:#fff;color:#000}
  .power-summary,.preset-card,.guide-card,.save-slot,.compare-table th{background:#f5f5f5}
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}