/* Box Studio */
.studio-page{background:var(--db-ink)}
.studio{display:grid;grid-template-columns:minmax(0,1fr) 460px;min-height:calc(100vh - 82px)}
.studio__stage{position:sticky;top:0;height:calc(100vh - 82px);min-height:560px;display:flex;flex-direction:column;color:#fff;
	background-color:#1b1b1a;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:32px 32px}
.studio__bar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 22px;flex-wrap:wrap}
.studio__tabs,.studio__tools{display:flex;gap:6px}
.studio__bar button{border:1px solid rgba(255,255,255,.22);background:transparent;color:#fff;border-radius:999px;padding:8px 15px;font-weight:700;font-size:13px;cursor:pointer}
.studio__bar button:hover{border-color:#fff}
.studio__bar button.is-active,.studio__bar button.is-on{background:var(--db-orange);border-color:var(--db-orange)}
.studio__view{display:none;flex:1;position:relative;min-height:0}
.studio__view.is-active{display:block}
.scene{position:absolute;inset:0;perspective:1500px;touch-action:none;cursor:grab;overflow:hidden}
.scene.is-drag{cursor:grabbing}
.scene:before{content:"";position:absolute;left:50%;top:50%;width:380px;height:90px;margin:150px 0 0 -190px;border-radius:50%;background:radial-gradient(closest-side,rgba(0,0,0,.45),transparent);filter:blur(6px)}
.box{position:absolute;left:50%;top:50%;width:0;height:0;transform-style:preserve-3d;--rx:-22;--ry:-32;--zoom:1;--lid:0;--w:200px;--d:140px;--h:80px;
	transform:scale(var(--zoom)) rotateX(calc(var(--rx)*1deg)) rotateY(calc(var(--ry)*1deg))}
.face,.lf{position:absolute;transform-style:preserve-3d}
.face{left:50%;top:50%}
.f-front,.f-back{width:var(--w);height:var(--h);margin:calc(var(--h)/-2) 0 0 calc(var(--w)/-2)}
.f-left,.f-right{width:var(--d);height:var(--h);margin:calc(var(--h)/-2) 0 0 calc(var(--d)/-2)}
.f-bottom{width:var(--w);height:var(--d);margin:calc(var(--d)/-2) 0 0 calc(var(--w)/-2)}
.f-front{transform:translateZ(calc(var(--d)/2))}
.f-back{transform:rotateY(180deg) translateZ(calc(var(--d)/2))}
.f-right{transform:rotateY(90deg) translateZ(calc(var(--w)/2))}
.f-left{transform:rotateY(-90deg) translateZ(calc(var(--w)/2))}
.f-bottom{transform:rotateX(-90deg) translateZ(calc(var(--h)/2))}
.lid{position:absolute;left:0;top:0;width:0;height:0;transform-style:preserve-3d;transition:transform .7s cubic-bezier(.3,.7,.2,1);
	transform:translate3d(0,calc(var(--h)/-2),calc(var(--d)/-2)) rotateX(calc(var(--lid)*1deg))}
.lf{left:calc(var(--w)/-2);top:0;width:var(--w);height:var(--d);transform-origin:50% 0;transform:rotateX(90deg)}
.face .o,.face .i,.lf .o,.lf .i{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;background-size:cover;background-position:center;
	display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(0,0,0,.22);overflow:hidden}
.face .i,.lf .i{transform:rotateY(180deg)}
.face .o span,.lf .o span{font-weight:900;letter-spacing:.06em;font-size:calc(var(--h)/4.2);text-align:center;padding:0 8%;line-height:1.05;text-transform:uppercase}
/* shading so each face reads as a different plane */
.f-right .o,.f-left .o{filter:brightness(.88)}.f-back .o{filter:brightness(.8)}.f-bottom .o{filter:brightness(.6)}
.f-front .o:after,.lf .o:after{content:"";position:absolute;inset:0;pointer-events:none}
.fin-gloss .o:after{background:linear-gradient(115deg,rgba(255,255,255,.5),transparent 38%,transparent 62%,rgba(255,255,255,.18))}
.fin-soft .o:after{background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.14),transparent 60%)}
/* style cues */
.st-rsc .lf .o:before{content:"";position:absolute;left:0;right:0;top:50%;height:calc(var(--d)/9);margin-top:calc(var(--d)/-18);background:rgba(190,150,90,.55);box-shadow:0 0 0 1px rgba(0,0,0,.12)}
.st-tuck .lf .o:before,.st-snaplock .lf .o:before{content:"";position:absolute;left:0;right:0;bottom:8%;border-top:2px solid rgba(0,0,0,.2)}
.st-mailer .f-front .o:before{content:"";position:absolute;left:50%;top:-1px;width:18%;height:22%;transform:translateX(-50%);border-radius:0 0 999px 999px;background:rgba(0,0,0,.28)}
.studio__hint{position:absolute;left:22px;bottom:16px;margin:0;font-size:12px;color:#9a9a94}
.studio__dims{position:absolute;right:22px;bottom:14px;background:rgba(255,255,255,.1);padding:7px 14px;border-radius:999px;font-size:13px;font-weight:700}
.studio__view--dieline{overflow:auto;padding:0 22px 40px}
.dieline{background:#fff;border-radius:18px;padding:14px;max-width:900px;margin:0 auto;box-shadow:0 20px 60px rgba(0,0,0,.4);overflow:auto;max-height:68vh}
.dieline svg{display:block;width:100%;height:auto;max-height:62vh;margin:auto}
.dieline__legend{display:flex;gap:12px 18px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:16px;font-size:13px}
.lg{display:inline-flex;align-items:center;gap:8px}.lg:before{content:"";width:26px;border-top:2px solid #e5484d}.lg--fold:before{border-top:2px dashed #2563eb}
/* panel */
.studio__panel{background:#fff;padding:30px 28px 60px;overflow:auto}
.studio__intro h1{font-size:34px;line-height:1.05;letter-spacing:-.035em;margin:6px 0 10px}
.studio__intro p{color:var(--db-muted);margin:0 0 6px}
.step{border:0;border-top:1px solid var(--db-line);margin:22px 0 0;padding:20px 0 0;min-width:0}
.step legend{display:flex;align-items:center;gap:10px;font-weight:900;font-size:16px;padding:0 10px 0 0;float:left;width:100%;margin-bottom:14px}
.step legend span{width:26px;height:26px;border-radius:50%;background:var(--db-ink);color:#fff;display:grid;place-items:center;font-size:12px}
.step legend em{font-style:normal;font-weight:500;color:var(--db-muted);font-size:13px}
.step>*:not(legend){clear:both}
.step__note{font-size:13px;color:var(--db-muted);margin:0 0 12px}
.style-cards{display:grid;gap:8px}
.style-card{display:block;cursor:pointer}.style-card input,.swatch input{position:absolute;opacity:0;pointer-events:none}
.style-card span{display:block;padding:13px 16px;border:1.5px solid var(--db-line);border-radius:16px;transition:.15s}
.style-card strong{display:block}.style-card small{color:var(--db-muted)}
.style-card input:checked+span,.swatch input:checked~span{border-color:var(--db-orange);background:#fff6f1}
.style-card input:focus-visible+span,.swatch input:focus-visible~span{outline:3px solid var(--db-blue);outline-offset:2px}
.dim-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.dim label,.mini{font-size:12px;font-weight:800;display:flex;flex-direction:column;gap:6px}
.dim input[type=number],.mini input[type=number],.mini input[type=text],.mini input[type=email],.mini select,.mini textarea{border:1px solid #d8d2c8;border-radius:12px;padding:10px 12px;width:100%;background:#fff;font-weight:500}
.dim input[type=range]{width:100%;margin-top:8px;accent-color:var(--db-orange)}
.chips{display:flex;gap:6px;align-items:center;margin-top:12px;font-size:12px;color:var(--db-muted);flex-wrap:wrap}
.chips button{border:1px solid var(--db-line);background:#fff;border-radius:999px;padding:6px 13px;font-weight:700;cursor:pointer}
.chips button:hover{border-color:var(--db-ink)}
.swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.swatch{position:relative;cursor:pointer;display:block}
.swatch i{display:block;height:46px;border-radius:12px 12px 0 0;border:1.5px solid var(--db-line);border-bottom:0}
.swatch span{display:block;text-align:center;font-size:12px;font-weight:800;padding:6px 0;border:1.5px solid var(--db-line);border-radius:0 0 12px 12px}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px;align-items:end}
.mini input[type=color]{width:100%;height:42px;border:1px solid #d8d2c8;border-radius:12px;padding:3px;background:#fff}
.mini--full{margin-top:14px}
.faces{display:grid;gap:8px}
.face-row{display:grid;grid-template-columns:88px 42px 1fr auto;gap:8px;align-items:center;padding:8px 10px;border:1px solid var(--db-line);border-radius:14px;font-size:13px}
.face-row input[type=color]{width:42px;height:34px;border:1px solid #d8d2c8;border-radius:10px;padding:2px;background:#fff}
.upload{position:relative;display:block}.upload input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}
.upload span{display:block;text-align:center;border:1.5px dashed #bdb6a8;border-radius:10px;padding:7px;font-weight:700;color:var(--db-muted);white-space:nowrap}
.face-row.has-art .upload span{border-style:solid;border-color:var(--db-green);color:var(--db-green);background:#eef7f0}
.clear{border:0;background:transparent;color:var(--db-muted);font-weight:700;cursor:pointer;text-decoration:underline}
.price-box{background:var(--db-paper);border-radius:16px;padding:12px 16px}
.price-box small{display:block;color:var(--db-muted);font-weight:700}.price-box strong{display:block;font-size:30px;line-height:1.1;letter-spacing:-.03em}.price-box span{font-size:12px;color:var(--db-muted)}
.cta{display:grid;gap:8px;margin:16px 0}
.btn--lg{padding:16px 22px;font-size:16px}.btn--sm{padding:8px 14px;font-size:13px}
.quote-fields{display:grid;gap:10px;margin-bottom:12px;padding:16px;border-radius:16px;background:var(--db-paper)}
@media(max-width:1000px){.studio{grid-template-columns:1fr}.studio__stage{position:relative;top:auto;height:520px;min-height:0}.studio__panel{padding:24px 20px 50px}}
@media(max-width:520px){.dim-grid{grid-template-columns:1fr}.face-row{grid-template-columns:70px 40px 1fr auto}.studio__intro h1{font-size:28px}}
@media(prefers-reduced-motion:reduce){.lid{transition:none}}

/* dieline toolbar + exports */
.dl-tools{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;justify-content:center;max-width:900px;margin:0 auto 12px;font-size:13px;font-weight:700}
.dl-tools label{display:inline-flex;align-items:center;gap:6px;cursor:pointer}
.dl-tools input{accent-color:var(--db-orange);width:16px;height:16px}
.dl-zoom{display:inline-flex;align-items:center;gap:6px;margin-left:6px}
.dl-zoom b{min-width:48px;text-align:center;font-variant-numeric:tabular-nums}
.studio__view--dieline .dl-zoom button{border:1px solid rgba(255,255,255,.28);background:transparent;color:#fff;border-radius:999px;min-width:34px;padding:5px 12px;font-weight:800;cursor:pointer}
.studio__view--dieline .dl-zoom button:hover{border-color:#fff}
.lg--glue:before{width:26px;height:10px;border-top:0;background:repeating-linear-gradient(45deg,#9a9a94 0 1px,#fff 1px 4px);border:1px solid #bbb}
.lg--safe:before{border-top:2px dashed #16a34a}
.dl-export{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap}
.dl-export em{font-style:normal;font-weight:800;margin-right:2px}
.dl-note{max-width:900px;margin:10px auto 0;text-align:center;font-size:12px;color:#9a9a94}
.studio__view--dieline .lg{color:#fff}

/* ===== studio v1.3: toolbar, units, fit helper, extras, price breaks, info bar ===== */
.studio__tools{flex-wrap:wrap;justify-content:flex-end;align-items:center}
.studio__bar select{border:1px solid rgba(255,255,255,.22);background:transparent;color:inherit;border-radius:999px;padding:7px 12px;font-weight:700;font-size:13px;cursor:pointer}
.studio__bar select option{color:#171717}
.studio__stage[data-bg="light"]{background-color:#eceae4;color:#171717;background-image:linear-gradient(rgba(0,0,0,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.05) 1px,transparent 1px)}
.studio__stage[data-bg="studio"]{background-color:#2c2b3a;color:#fff;background-image:radial-gradient(circle at 50% 38%,#5b5a78,#23222f 70%)}
.studio__stage[data-bg="light"] .studio__bar button,.studio__stage[data-bg="light"] .studio__bar select{border-color:rgba(0,0,0,.25);color:#171717}
.studio__stage[data-bg="light"] .studio__bar button.is-active,.studio__stage[data-bg="light"] .studio__bar button.is-on{color:#fff}
.studio__stage[data-bg="light"] .studio__hint{color:#6b6b67}
.studio__stage[data-bg="light"] .studio__dims{background:rgba(0,0,0,.08)}
.studio__stage[data-bg="light"] .scene:before{background:radial-gradient(closest-side,rgba(0,0,0,.22),transparent)}
.studio__info{display:flex;flex-wrap:wrap;gap:8px;padding:10px 22px 16px;min-height:52px;align-items:center}
.chip-i{display:inline-flex;align-items:center;border:1px solid rgba(128,128,128,.35);border-radius:999px;padding:5px 12px;font-size:12px;font-weight:700}
.chip-i--warn{border-color:#f2b94a;background:rgba(242,185,74,.18);color:inherit}
.studio__stage[data-bg="dark"] .chip-i--warn,.studio__stage[data-bg="studio"] .chip-i--warn{color:#ffd88a}
.studio__stage[data-bg="light"] .chip-i--warn{color:#7a4b00}
.studio__stage[data-bg="light"] .studio__view--dieline .lg,.studio__stage[data-bg="light"] .dl-tools{color:#171717}
.studio__stage[data-bg="light"] .studio__view--dieline .dl-zoom button{color:#171717;border-color:rgba(0,0,0,.25)}
.studio__stage[data-bg="light"] .dl-note{color:#6b6b67}

.studio__actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.studio__resume{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px;background:#fff4ee;border:1px solid #f7c9b3;border-radius:14px;padding:10px 14px;font-size:13px;font-weight:700}
.studio__resume[hidden],.studio__toast[hidden]{display:none}
.linkbtn{border:0;background:none;padding:0;font-weight:700;color:var(--db-muted);text-decoration:underline;cursor:pointer}
.studio__toast{margin:12px 0 0;background:var(--db-ink);color:#fff;border-radius:12px;padding:10px 14px;font-size:13px;font-weight:600}

.seg{display:inline-flex;border:1.5px solid var(--db-line);border-radius:999px;padding:3px;margin-bottom:14px;background:#fff}
.seg label{position:relative;cursor:pointer}.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:800;color:var(--db-muted)}
.seg input:checked+span{background:var(--db-ink);color:#fff}
.seg input:focus-visible+span{outline:2px solid var(--db-orange);outline-offset:1px}
.fit{margin-top:14px;border:1px solid var(--db-line);border-radius:16px;padding:0 16px;background:var(--db-paper)}
.fit summary{cursor:pointer;font-weight:800;font-size:14px;padding:13px 0;list-style:none;display:flex;justify-content:space-between;align-items:center}
.fit summary::-webkit-details-marker{display:none}.fit summary:after{content:"+";font-size:20px;color:var(--db-orange);transition:transform .2s}
.fit[open] summary:after{transform:rotate(45deg)}
.fit__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:12px}
.fit .btn{margin-bottom:16px}

.extras{display:grid;gap:8px;margin-top:14px}
.extra{display:flex;align-items:center;gap:12px;border:1.5px solid var(--db-line);border-radius:14px;padding:11px 14px;cursor:pointer;transition:.15s}
.extra:hover{border-color:var(--db-ink)}
.extra input{width:18px;height:18px;accent-color:var(--db-orange)}
.extra b{display:block;font-size:14px}.extra small{display:block;color:var(--db-muted);font-size:12px}
.extra:has(input:checked){border-color:var(--db-orange);background:#fff4ee}

.breaks{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin-top:16px}
.breaks button{display:flex;flex-direction:column;align-items:center;gap:1px;border:1.5px solid var(--db-line);background:#fff;border-radius:12px;padding:8px 2px;cursor:pointer;font-size:11px;transition:.15s}
.breaks button:hover{border-color:var(--db-ink)}
.breaks b{font-size:13px}.breaks span{color:var(--db-muted);font-weight:700}.breaks em{font-style:normal;font-weight:800;color:var(--db-green);font-size:11px}
.breaks button.is-on{border-color:var(--db-orange);background:#fff4ee}
.mini input[type=range]{width:100%;accent-color:var(--db-orange)}
@media(max-width:1000px){.studio__info{padding:8px 16px 12px}.breaks{grid-template-columns:repeat(4,1fr)}}

/* Box Studio Pro: three-column workspace */
@media (min-width: 1201px){
	.studio{
		grid-template-columns:minmax(280px,330px) minmax(520px,1fr) minmax(300px,360px);
		min-height:calc(100vh - 82px);
		align-items:stretch;
		background:#f7f5f1;
	}
	.studio__stage{
		grid-column:2;
		grid-row:1;
		position:sticky;
		top:0;
		height:calc(100vh - 82px);
		min-height:620px;
		z-index:2;
		box-shadow:0 0 0 1px rgba(0,0,0,.08), 0 18px 50px rgba(0,0,0,.12);
	}
	.studio__panel{
		position:sticky;
		top:0;
		height:calc(100vh - 82px);
		max-height:calc(100vh - 82px);
		overflow-y:auto;
		overflow-x:hidden;
		overscroll-behavior:contain;
		padding:24px 20px 34px;
		background:#fff;
		box-shadow:inset 0 0 0 1px rgba(0,0,0,.045);
		min-width:0;
		z-index:3;
		scrollbar-width:thin;
	}
	.studio__panel--left{grid-column:1;grid-row:1;}
	.studio__panel--right{grid-column:3;grid-row:1;}
	.studio__panel::-webkit-scrollbar{width:7px}
	.studio__panel::-webkit-scrollbar-thumb{background:#d5d0c8;border-radius:20px}
	.studio__panel::-webkit-scrollbar-track{background:transparent}
	.studio__sidebar-head{padding-bottom:2px}
	.studio__intro h1{font-size:28px}
	.studio__intro p{font-size:13px;line-height:1.55}
	.studio__actions{display:grid;grid-template-columns:1fr 1fr;gap:7px}
	.studio__actions #db-reset{grid-column:1/-1}
	.step{margin-top:18px;padding-top:17px}
	.step:first-of-type{margin-top:20px}
	.step legend{font-size:15px}
	.style-card span{padding:11px 13px}
	.style-card small{font-size:11px;line-height:1.35;display:block;margin-top:2px}
	.dim-grid{grid-template-columns:1fr}
	.swatches{grid-template-columns:repeat(2,1fr)}
	.row-2{grid-template-columns:1fr}
	.fit__grid{grid-template-columns:1fr 1fr}
	.face-row{grid-template-columns:68px 38px 1fr auto}
	.breaks{grid-template-columns:repeat(3,1fr)}
	.studio__stage .studio__bar{padding:14px 18px}
	.studio__stage .studio__tools{max-width:100%;overflow:auto;scrollbar-width:none}
	.studio__stage .studio__tools::-webkit-scrollbar{display:none}
	.studio__view--dieline{padding-left:18px;padding-right:18px}
	.dieline{max-height:64vh}
}

@media (min-width: 1201px) and (max-height: 760px){
	.studio__panel{padding-top:16px;padding-bottom:20px}
	.studio__intro h1{font-size:24px}
	.step{margin-top:14px;padding-top:13px}
	.step legend{margin-bottom:10px}
	.studio__stage{min-height:520px}
}

@media (max-width:1200px){
	.studio{grid-template-columns:1fr;min-height:0}
	.studio__stage{grid-column:1;grid-row:1;position:relative;height:560px;min-height:0}
	.studio__panel{position:relative;height:auto;max-height:none;overflow:visible}
	.studio__panel--left{grid-column:1;grid-row:2}
	.studio__panel--right{grid-column:1;grid-row:3}
	.studio__panel--left,.studio__panel--right{padding:24px 22px 34px}
}

@media (max-width:640px){
	.studio__stage{height:500px}
	.studio__panel--left,.studio__panel--right{padding:20px 16px 30px}
	.studio__actions{grid-template-columns:1fr}
	.studio__actions #db-reset{grid-column:auto}
	.studio__bar{padding:12px 14px}
	.studio__tools{width:100%;overflow:auto;flex-wrap:nowrap;padding-bottom:2px}
	.studio__bar button{white-space:nowrap}
}