/* ===== BUILD PC HERO ===== */
.build-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#06030d 0%,#100820 60%,#06030d 100%);
  padding:80px 24px;border-bottom:1px solid var(--border);
  text-align:center;
}
[data-theme=light] .build-hero{
  background:linear-gradient(135deg,#f0eaff 0%,#fdf4ff 60%,#f0eaff 100%);
}
[data-theme=light] .build-hero h1,
[data-theme=light] .build-hero p,
[data-theme=light] .build-hero .slide-badge { color: #0a0a0f }
[data-theme=light] .build-hero .build-chip { color: var(--violet); }
.build-hero::before{content:'';position:absolute;width:800px;height:800px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.2) 0%,transparent 70%);top:-300px;left:50%;transform:translateX(-50%);pointer-events:none}
.build-hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(124,58,237,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(124,58,237,.04) 1px,transparent 1px);background-size:48px 48px;pointer-events:none}
.build-hero-inner{position:relative;z-index:1;max-width:800px;margin:0 auto}
.build-hero h1{font-family:var(--display);font-size:clamp(36px,6vw,72px);font-weight:800;text-transform:uppercase;line-height:1.0;margin-bottom:14px}
.build-hero h1 span{background:linear-gradient(90deg,var(--purple-l),var(--red));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.build-hero p{font-size:17px;color:var(--text2);margin-bottom:32px;line-height:1.7}
.hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:36px}
.hero-chip{padding:7px 16px;border-radius:20px;font-size:13px;font-weight:600;border:1px solid rgba(124,58,237,.3);color:var(--purple-l);background:rgba(124,58,237,.08)}

/* ===== BUILDER LAYOUT ===== */
.builder-wrap{display:grid;grid-template-columns:1fr 320px;gap:24px;max-width:1500px;margin:0 auto;padding:28px 24px;align-items:start}

/* ===== COMPONENT TABS ===== */
.comp-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.comp-tab{
  padding:9px 18px;border-radius:20px;border:1px solid var(--border2);
  background:var(--surface);font-size:13px;font-weight:600;
  color:var(--text2);cursor:pointer;transition:all .15s;
  display:flex;align-items:center;gap:7px;
}
.comp-tab:hover{border-color:var(--purple-l);color:var(--purple-l)}
.comp-tab.active{background:var(--purple);border-color:var(--purple);color:#fff}
.comp-tab .tick{width:18px;height:18px;border-radius:50%;background:rgba(16,185,129,.2);color:var(--green);display:flex;align-items:center;justify-content:center;font-size:10px}
.comp-tab.done{border-color:rgba(16,185,129,.4)}

/* ===== COMPONENT CARDS ===== */
.comp-list{display:flex;flex-direction:column;gap:14px}
.comp-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:18px;
  display:flex;gap:18px;cursor:pointer;
  transition:all .2s;position:relative;overflow:hidden;
}
.comp-card:hover{border-color:var(--border2);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.3)}
.comp-card.selected{border-color:var(--purple);background:rgba(124,58,237,.06);box-shadow:0 0 0 2px rgba(124,58,237,.2)}
.comp-card-badge{position:absolute;top:12px;right:12px;padding:3px 10px;border-radius:12px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.cbb-popular{background:rgba(245,158,11,.15);color:var(--yellow);border:1px solid rgba(245,158,11,.3)}
.cbb-best{background:rgba(16,185,129,.12);color:var(--green);border:1px solid rgba(16,185,129,.3)}
.cbb-new{background:rgba(59,130,246,.12);color:var(--blue);border:1px solid rgba(59,130,246,.3)}
.comp-img{width:100px;height:90px;border-radius:8px;background:var(--surface2);flex-shrink:0;display:flex;align-items:center;justify-content:center;overflow:hidden}
.comp-img img{max-width:100%;max-height:100%;object-fit:contain}
.comp-img .no-img{font-size:30px;color:var(--text3)}
.comp-info{flex:1}
.comp-name{font-weight:600;font-size:15px;margin-bottom:5px}
.comp-specs{font-size:12px;color:var(--text2);margin-bottom:8px;line-height:1.5}
.comp-stars{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--yellow);margin-bottom:8px}
.comp-stars span{color:var(--text3);margin-left:2px}
.comp-price{font-family:var(--display);font-size:20px;font-weight:700;color:var(--purple-l)}
.comp-actions{display:flex;gap:8px;margin-top:8px}
.comp-select-btn{padding:7px 16px;border-radius:7px;background:var(--purple);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s;font-family:var(--font)}
.comp-select-btn:hover{background:var(--purple-d)}
.comp-card.selected .comp-select-btn{background:var(--green)}
.comp-detail-btn{padding:7px 12px;border-radius:7px;background:var(--surface2);color:var(--text2);border:1px solid var(--border2);font-size:13px;cursor:pointer;transition:all .15s;font-family:var(--font)}
.comp-detail-btn:hover{background:var(--border2);color:var(--text)}

/* ===== BUILD SUMMARY ===== */
.build-summary{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:24px;position:sticky;top:calc(var(--hdr)+14px)}
.summary-hdr{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.summary-hdr h3{font-family:var(--display);font-size:16px;font-weight:700}
.summary-reset{font-size:12px;color:var(--text3);cursor:pointer;transition:color .15s}
.summary-reset:hover{color:var(--red)}
.summary-item{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border);gap:8px}
.summary-item:last-child{border-bottom:none}
.si-name{font-size:13px;color:var(--text3);min-width:90px}
.si-val{font-size:12px;color:var(--text2);flex:1;text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:120px}
.si-price{font-size:13px;font-weight:600;color:var(--text);white-space:nowrap}
.si-empty{color:var(--text3);font-style:italic;font-size:12px}
.summary-total-section{padding-top:16px;margin-top:8px;border-top:1px solid var(--border)}
.total-row{display:flex;justify-content:space-between;font-size:13px;margin-bottom:8px;color:var(--text2)}
.total-grand{display:flex;justify-content:space-between;font-family:var(--display);font-size:22px;font-weight:800;color:var(--purple-l);margin-top:8px}
.summary-order-btn{width:100%;padding:14px;background:var(--purple);color:#fff;border-radius:var(--radius);font-family:var(--display);font-size:15px;font-weight:700;cursor:pointer;transition:all .15s;display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px}
.summary-order-btn:hover:not(:disabled){background:var(--purple-d);transform:translateY(-1px)}
.summary-order-btn:disabled{opacity:.4;cursor:default}
.summary-save-btn{width:100%;padding:11px;background:var(--surface2);color:var(--text2);border:1px solid var(--border2);border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:all .15s;margin-top:8px;font-family:var(--font)}
.summary-save-btn:hover{background:var(--border2);color:var(--text)}

/* Compatibility */
.compat-check{padding:12px 14px;border-radius:8px;font-size:13px;display:flex;align-items:flex-start;gap:10px;margin-top:14px}
.compat-ok{background:rgba(16,185,129,.08);border:1px solid rgba(16,185,129,.2);color:var(--green)}
.compat-warn{background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.2);color:var(--yellow)}
.compat-err{background:rgba(244,63,94,.08);border:1px solid rgba(244,63,94,.2);color:var(--red)}

/* Performance bars */
.perf-section{margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}
.perf-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text3);margin-bottom:14px}
.perf-bar-wrap{margin-bottom:12px}
.perf-lbl{display:flex;justify-content:space-between;font-size:12px;margin-bottom:5px}
.perf-name{color:var(--text2)}.perf-val{font-weight:600}
.perf-bg{height:7px;background:var(--border2);border-radius:4px;overflow:hidden}
.perf-fill{height:100%;border-radius:4px;transition:width .6s cubic-bezier(.77,0,.18,1)}
.perf-gaming{background:linear-gradient(90deg,var(--purple),var(--red))}
.perf-prod{background:linear-gradient(90deg,var(--blue),var(--green))}
.perf-stream{background:linear-gradient(90deg,var(--purple-l),var(--blue))}

/* Prebuilts */
.prebuilt-templates{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.template-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all .2s;cursor:pointer}
.template-card:hover{transform:translateY(-4px);border-color:var(--purple);box-shadow:0 12px 32px rgba(124,58,237,.12)}
.template-img{height:160px;background:linear-gradient(135deg,var(--surface2),var(--bg2));display:flex;align-items:center;justify-content:center;font-size:56px;position:relative}
.template-badge{position:absolute;top:10px;right:10px;padding:4px 12px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase}
.tb-featured{background:var(--red);color:#fff}
.tb-value{background:var(--green);color:#fff}
.tb-premium{background:var(--purple);color:#fff}
.tb-new{background:var(--blue);color:#fff}
.template-body{padding:18px}
.template-name{font-family:var(--display);font-size:16px;font-weight:700;margin-bottom:10px}
.template-spec-list{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}
.tpl-spec{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text2)}
.tpl-spec i{width:14px;color:var(--purple-l);flex-shrink:0}
.template-price-row{display:flex;align-items:baseline;gap:8px;margin-bottom:14px}
.template-price{font-family:var(--display);font-size:22px;font-weight:800;color:var(--purple-l)}
.template-compare{font-size:13px;color:var(--text3);text-decoration:line-through}
.template-actions{display:flex;gap:8px}
.template-actions .btn{flex:1;justify-content:center;font-size:12px;padding:9px}

/* Why section */
.why-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.why-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;text-align:center;transition:all .2s}
.why-card:hover{transform:translateY(-4px);border-color:var(--border2)}
.why-icon{font-size:32px;margin-bottom:14px}
.why-title{font-family:var(--display);font-size:15px;font-weight:700;margin-bottom:8px}
.why-desc{font-size:13px;color:var(--text2);line-height:1.6}

/* Details modal */
.comp-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(4px)}
.comp-modal{background:var(--surface);border:1px solid var(--border2);border-radius:var(--radius-xl);max-width:500px;width:100%;padding:28px;position:relative}
.comp-modal-close{position:absolute;top:14px;right:16px;background:none;border:none;font-size:20px;color:var(--text3);cursor:pointer;line-height:1}
.comp-modal-close:hover{color:var(--text)}
.comp-modal h4{font-family:var(--display);font-size:18px;font-weight:700;margin-bottom:6px}
.comp-modal-price{font-family:var(--display);font-size:24px;font-weight:800;color:var(--purple-l);margin-bottom:14px}
.comp-modal-specs{font-size:13px;color:var(--text2);line-height:1.8;margin-bottom:18px;padding:14px;background:var(--bg2);border-radius:8px;white-space:pre-wrap}
.comp-modal-actions{display:flex;gap:10px}
.comp-modal-actions .btn{flex:1;justify-content:center}

@media(max-width:1100px){
  .builder-wrap{grid-template-columns:1fr}
  .build-summary{position:static;margin-bottom:24px;order:-1}
}
@media(max-width:640px){
  .comp-card{flex-direction:column}
  .comp-img{width:100%;height:140px}
  .comp-tab{padding:7px 12px;font-size:12px}
}