/* ==========================================================================
   Custom PC Builder — Front End Styles
   Theme accent color is overridden via --pcb-accent (default #0693e3)
   ========================================================================== */

.pcb-app {
	--pcb-accent: #0693e3;
	--pcb-accent-rgb: 6, 147, 227;
	--pcb-bg: #ffffff;
	--pcb-bg-soft: #f6f8fa;
	--pcb-border: #e7eaee;
	--pcb-text: #1c1f24;
	--pcb-text-muted: #767c87;
	--pcb-success: #21a366;
	--pcb-radius: 14px;
	--pcb-shadow: 0 6px 24px rgba(20, 25, 35, 0.06);
	--pcb-shadow-hover: 0 14px 34px rgba(20, 25, 35, 0.12);
	position: relative;
	max-width: 1280px;
	margin: 0 auto;
	font-family: inherit;
	color: var(--pcb-text);
	box-sizing: border-box;
	opacity: 0;
	transform: translateY(8px);
	animation: pcbFadeUp .5s ease forwards;
}
.pcb-app * { box-sizing: border-box; }

@keyframes pcbFadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes pcbSpin { to { transform: rotate(360deg); } }
@keyframes pcbPulse { 0%,100% { box-shadow: 0 0 0 0 rgba(var(--pcb-accent-rgb),.35);} 70% { box-shadow: 0 0 0 12px rgba(var(--pcb-accent-rgb),0);} }
@keyframes pcbPop { 0% { transform: scale(.85); opacity:0; } 60% { transform: scale(1.04); opacity:1; } 100% { transform: scale(1); } }
@keyframes pcbSlideIn { from { opacity:0; transform: translateX(24px);} to { opacity:1; transform: translateX(0);} }
@keyframes pcbShimmer { 0% { background-position: -300px 0; } 100% { background-position: 300px 0; } }
@keyframes pcbCheck { from { stroke-dashoffset: 24; } to { stroke-dashoffset: 0; } }
@keyframes pcbFloatUp { 0% { opacity:0; transform: translateY(0);} 15% { opacity:1;} 100% { opacity:0; transform: translateY(-40px);} }

.pcb-loading { display:flex; flex-direction:column; align-items:center; justify-content:center; padding:80px 0; color: var(--pcb-text-muted); }
.pcb-spinner { width:40px; height:40px; border-radius:50%; border:3px solid var(--pcb-border); border-top-color: var(--pcb-accent); animation: pcbSpin .8s linear infinite; margin-bottom:14px; }

/* ---------- Header / Progress ---------- */
.pcb-header { padding: 6px 0 22px; }
.pcb-title { font-size: 26px; font-weight: 800; margin: 0 0 4px; letter-spacing: -0.02em; }
.pcb-subtitle { color: var(--pcb-text-muted); margin: 0 0 22px; font-size: 15px; }

.pcb-steps { display:flex; gap:6px; overflow-x:auto; padding-bottom:6px; scrollbar-width: thin; }
.pcb-step {
	flex: 0 0 auto;
	display:flex; align-items:center; gap:8px;
	padding: 10px 16px;
	border-radius: 999px;
	background: var(--pcb-bg-soft);
	border: 1px solid var(--pcb-border);
	cursor: pointer;
	font-size: 13.5px;
	font-weight: 600;
	color: var(--pcb-text-muted);
	white-space: nowrap;
	transition: all .25s ease;
	position: relative;
}
.pcb-step .dashicons { font-size:16px; width:16px; height:16px; }
.pcb-step:hover { border-color: rgba(var(--pcb-accent-rgb),.45); color: var(--pcb-text); transform: translateY(-1px); }
.pcb-step.is-active {
	background: var(--pcb-accent);
	border-color: var(--pcb-accent);
	color: #fff;
	box-shadow: 0 8px 18px rgba(var(--pcb-accent-rgb), .28);
}
.pcb-step.is-complete:not(.is-active) { color: var(--pcb-success); border-color: rgba(33,163,102,.35); }
.pcb-step.is-complete:not(.is-active)::after {
	content: "✓"; margin-left:2px; font-weight:800;
}
.pcb-step .pcb-step-required { color:#e0533d; margin-left:2px; }

.pcb-progressbar { height:4px; background: var(--pcb-border); border-radius:4px; overflow:hidden; margin: 14px 0 0; }
.pcb-progressbar-fill { height:100%; background: linear-gradient(90deg, var(--pcb-accent), #38b6ff); border-radius:4px; transition: width .5s cubic-bezier(.4,0,.2,1); width:0%; }

/* ---------- Body Layout ---------- */
.pcb-body { display:grid; grid-template-columns: 1fr 320px; gap: 26px; align-items:flex-start; }
@media (max-width: 900px) { .pcb-body { grid-template-columns: 1fr; } }

.pcb-panel {
	background: var(--pcb-bg);
	border: 1px solid var(--pcb-border);
	border-radius: var(--pcb-radius);
	padding: 22px;
	min-height: 320px;
}

.pcb-panel-head { display:flex; align-items:baseline; justify-content:space-between; margin-bottom: 16px; flex-wrap:wrap; gap:8px; }
.pcb-panel-head h2 { font-size: 19px; margin:0; font-weight:800; }
.pcb-panel-head .pcb-hint { font-size:12.5px; color: var(--pcb-text-muted); }

/* ---------- Product Grid ---------- */
.pcb-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }

.pcb-card {
	border: 1.5px solid var(--pcb-border);
	border-radius: 12px;
	padding: 14px;
	cursor: pointer;
	position: relative;
	background: #fff;
	transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
	animation: pcbSlideIn .35s ease both;
}
.pcb-card:hover { transform: translateY(-4px); box-shadow: var(--pcb-shadow-hover); border-color: rgba(var(--pcb-accent-rgb),.4); }
.pcb-card.is-selected {
	border-color: var(--pcb-accent);
	background: linear-gradient(180deg, rgba(var(--pcb-accent-rgb),.06), rgba(var(--pcb-accent-rgb),.02));
	box-shadow: 0 0 0 3px rgba(var(--pcb-accent-rgb),.15);
	animation: pcbPop .3s ease;
}
.pcb-card.is-oos { opacity:.5; cursor:not-allowed; }
.pcb-card-badge {
	position:absolute; top:10px; right:10px; width:24px; height:24px; border-radius:50%;
	background: var(--pcb-accent); display:flex; align-items:center; justify-content:center;
	opacity:0; transform: scale(.5); transition: all .25s ease;
}
.pcb-card.is-selected .pcb-card-badge { opacity:1; transform: scale(1); }
.pcb-card-badge svg { width:13px; height:13px; }
.pcb-card-badge path { stroke:#fff; stroke-width:3; fill:none; stroke-dasharray:24; stroke-dashoffset:24; animation: pcbCheck .3s ease .05s forwards; }

.pcb-card-img { width:100%; height:130px; display:flex; align-items:center; justify-content:center; margin-bottom:10px; border-radius:8px; background: var(--pcb-bg-soft); overflow:hidden; }
.pcb-card-img img { max-width:100%; max-height:100%; object-fit: contain; transition: transform .3s ease; }
.pcb-card:hover .pcb-card-img img { transform: scale(1.06); }

.pcb-card-name { font-size:14px; font-weight:700; line-height:1.35; margin-bottom:4px; min-height:38px; }
.pcb-card-sku { font-size:11px; color:var(--pcb-text-muted); margin-bottom:8px; }
.pcb-card-price { font-size:16px; font-weight:800; color: var(--pcb-accent); }
.pcb-card-oos-label { font-size:11px; color:#e0533d; font-weight:700; text-transform:uppercase; letter-spacing:.03em; }

.pcb-card-radio {
	width:20px;height:20px;border-radius:50%;border:2px solid var(--pcb-border);
	display:inline-flex;align-items:center;justify-content:center;margin-right:8px;flex-shrink:0;transition:all .2s ease;
}
.pcb-card.is-selected .pcb-card-radio { border-color: var(--pcb-accent); background: var(--pcb-accent); }
.pcb-card.is-selected .pcb-card-radio::after { content:""; width:8px;height:8px;border-radius:50%;background:#fff; }
.pcb-card-multi .pcb-card-radio { border-radius:6px; }

.pcb-empty-msg { color: var(--pcb-text-muted); padding: 30px 10px; text-align:center; font-size:14px; }

/* ---------- Nav buttons ---------- */
.pcb-nav-row { display:flex; justify-content:space-between; margin-top:22px; gap:10px; }
.pcb-btn {
	border:none; border-radius:10px; padding:12px 22px; font-weight:700; font-size:14px;
	cursor:pointer; transition: all .2s ease; display:inline-flex; align-items:center; gap:8px;
}
.pcb-btn:disabled { opacity:.45; cursor:not-allowed; }
.pcb-btn-primary { background: var(--pcb-accent); color:#fff; box-shadow: 0 6px 16px rgba(var(--pcb-accent-rgb),.28); }
.pcb-btn-primary:hover:not(:disabled) { filter:brightness(1.06); transform: translateY(-1px); box-shadow: 0 10px 22px rgba(var(--pcb-accent-rgb),.34); }
.pcb-btn-ghost { background: var(--pcb-bg-soft); color: var(--pcb-text); border:1px solid var(--pcb-border); }
.pcb-btn-ghost:hover:not(:disabled) { background:#eef1f4; }
.pcb-btn-outline { background:transparent; border:1.5px solid var(--pcb-accent); color: var(--pcb-accent); }
.pcb-btn-outline:hover:not(:disabled) { background: rgba(var(--pcb-accent-rgb),.08); }
.pcb-btn-full { width:100%; justify-content:center; }

/* ---------- Sticky Summary Sidebar ---------- */
.pcb-summary {
	position: sticky; top: 24px;
	background: var(--pcb-bg);
	border:1px solid var(--pcb-border);
	border-radius: var(--pcb-radius);
	padding: 20px;
	box-shadow: var(--pcb-shadow);
}
.pcb-summary h3 { margin:0 0 14px; font-size:16px; font-weight:800; display:flex; align-items:center; gap:8px; }
.pcb-summary-list { max-height: 320px; overflow-y:auto; margin-bottom:14px; padding-right:4px; }
.pcb-summary-item {
	display:flex; align-items:center; gap:10px; padding:9px 0; border-bottom:1px dashed var(--pcb-border);
	animation: pcbSlideIn .3s ease both;
}
.pcb-summary-item:last-child { border-bottom:none; }
.pcb-summary-item img { width:38px;height:38px;object-fit:contain;background:var(--pcb-bg-soft);border-radius:6px;flex-shrink:0; }
.pcb-summary-item-info { flex:1; min-width:0; }
.pcb-summary-item-cat { font-size:10.5px; text-transform:uppercase; letter-spacing:.04em; color:var(--pcb-text-muted); }
.pcb-summary-item-name { font-size:12.5px; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.pcb-summary-item-price { font-size:12.5px; font-weight:800; color: var(--pcb-accent); white-space:nowrap; }
.pcb-summary-empty { color:var(--pcb-text-muted); font-size:13px; text-align:center; padding: 20px 0; }

.pcb-summary-total { display:flex; justify-content:space-between; align-items:baseline; padding-top:12px; border-top:2px solid var(--pcb-border); margin-bottom:16px; }
.pcb-summary-total-label { font-size:13px; color:var(--pcb-text-muted); font-weight:700; text-transform:uppercase; letter-spacing:.03em; }
.pcb-summary-total-value { font-size:26px; font-weight:900; color: var(--pcb-text); transition: transform .25s ease; }
.pcb-summary-total-value.pcb-bump { animation: pcbTotalBump .35s ease; }
@keyframes pcbTotalBump { 0%{transform:scale(1);} 40%{transform:scale(1.12); color:var(--pcb-accent);} 100%{transform:scale(1);} }

.pcb-summary-actions { display:flex; flex-direction:column; gap:10px; }

/* ---------- Toast ---------- */
.pcb-toast {
	position:fixed; bottom:26px; left:50%; transform: translateX(-50%);
	background: var(--pcb-text); color:#fff; padding:13px 22px; border-radius:10px;
	font-size:14px; font-weight:600; z-index:99999; box-shadow: 0 10px 30px rgba(0,0,0,.25);
	display:flex; align-items:center; gap:10px;
	animation: pcbToastIn .35s ease;
}
.pcb-toast.pcb-toast-error { background:#c0392b; }
.pcb-toast.pcb-toast-success { background: var(--pcb-success); }
@keyframes pcbToastIn { from { opacity:0; transform: translate(-50%, 14px);} to { opacity:1; transform: translate(-50%,0);} }

/* ---------- Confetti dot (fun touch on add-to-cart) ---------- */
.pcb-confetti { position:fixed; width:8px;height:8px;border-radius:2px; pointer-events:none; z-index:99998; animation: pcbConfetti 1s ease-out forwards; }
@keyframes pcbConfetti { to { transform: translateY(-120px) rotate(340deg); opacity:0; } }

/* ---------- Print Modal Preview ---------- */
.pcb-modal-overlay {
	position:fixed; inset:0; background:rgba(20,25,35,.55); z-index:100000;
	display:flex; align-items:center; justify-content:center; padding:20px;
	animation: pcbFadeIn .2s ease;
}
@keyframes pcbFadeIn { from{opacity:0;} to{opacity:1;} }
.pcb-modal {
	background:#fff; border-radius:16px; max-width: 720px; width:100%; max-height:88vh; overflow-y:auto;
	padding: 0; animation: pcbModalIn .28s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes pcbModalIn { from { opacity:0; transform: scale(.92) translateY(10px);} to { opacity:1; transform:scale(1) translateY(0);} }
.pcb-modal-close { position:absolute; top:14px; right:18px; background:none; border:none; font-size:22px; cursor:pointer; color:var(--pcb-text-muted); }

/* ---------- Utility ---------- */
.pcb-flex-between { display:flex; align-items:center; justify-content:space-between; }
.pcb-sr-only { position:absolute; width:1px;height:1px; overflow:hidden; clip:rect(0,0,0,0); }