/* Bethlen Ékszertervező — self-contained styles (bt- prefix, no theme collisions) */

.bt-designer{
  --bt-paper:#FFFFFF;
  --bt-mist:#F5F5F3;
  --bt-ink:#0E0E0D;
  --bt-ink-2:#5C5B57;
  --bt-ink-3:#8C8A84;
  --bt-rule:#E3E2DE;
  --bt-gold:#A98A50;
  --bt-serif:"Cormorant Garamond","Iowan Old Style",Georgia,"Times New Roman",serif;
  --bt-sans:"Jost","Avenir Next","Segoe UI",Helvetica,Arial,sans-serif;

  font-family:var(--bt-sans);
  font-weight:300;
  font-size:16px;
  line-height:1.6;
  color:var(--bt-ink);
  background:transparent;
}
.bt-designer *,.bt-designer *::before,.bt-designer *::after{box-sizing:border-box}
.bt-designer p{margin:0}
.bt-designer img{max-width:100%;height:auto;display:block}
.bt-designer :focus-visible{outline:2px solid var(--bt-gold);outline-offset:3px}

.bt-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(26px,4vw,56px);align-items:start}
@media(max-width:980px){.bt-grid{grid-template-columns:1fr}}

.bt-stage{position:sticky;top:24px;display:flex;flex-direction:column;gap:16px}
@media(max-width:980px){.bt-stage{position:static}}
.bt-viewport{position:relative;background:var(--bt-paper);border:1px solid var(--bt-rule);display:flex;align-items:center;justify-content:center;min-height:320px;padding:14px}
.bt-viewport svg,.bt-viewport img{width:100%;height:auto;max-width:560px}
.bt-viewbar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.bt-note{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--bt-ink-3)}
.bt-modes{display:flex;border:1px solid var(--bt-rule)}
.bt-modes button{font-family:var(--bt-sans);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;padding:8px 14px;border:0;background:transparent;color:var(--bt-ink-3);cursor:pointer}
.bt-modes button[aria-pressed=true]{background:var(--bt-ink);color:var(--bt-paper)}
.bt-modes button[disabled]{opacity:.35;cursor:not-allowed}

.bt-presets-label{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--bt-ink-3);margin:0 0 10px}
.bt-presets{display:flex;gap:10px;flex-wrap:wrap}
.bt-presets button{border:1px solid var(--bt-rule);background:var(--bt-paper);padding:0;width:74px;cursor:pointer;transition:border-color .2s}
.bt-presets button:hover,.bt-presets button[aria-pressed=true]{border-color:var(--bt-ink)}

.bt-opt{border:0;padding:0;margin:0;padding-block:20px;border-top:1px solid var(--bt-rule)}
.bt-opt:first-of-type{border-top:0;padding-top:0}
.bt-opt legend{padding:0;font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--bt-ink-3);display:block;margin-bottom:13px}
.bt-opt legend b{color:var(--bt-ink);font-weight:400;letter-spacing:.06em;text-transform:none;font-family:var(--bt-serif);font-size:16px}
.bt-leg{font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--bt-ink-3)}
.bt-stack{display:flex;flex-direction:column;gap:12px}

.bt-swatches{display:flex;flex-wrap:wrap;gap:11px}
.bt-sw{display:flex;flex-direction:column;align-items:center;gap:7px;cursor:pointer;width:64px;position:relative}
.bt-sw input{position:absolute;opacity:0;pointer-events:none}
.bt-sw .bt-dot{width:38px;height:38px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.10),0 1px 3px rgba(0,0,0,.08);transition:transform .2s}
.bt-sw .bt-cap{font-size:10px;line-height:1.3;text-align:center;color:var(--bt-ink-2)}
.bt-sw:hover .bt-dot{transform:scale(1.07)}
.bt-sw input:checked + .bt-dot{box-shadow:inset 0 0 0 1px rgba(0,0,0,.10),0 0 0 2px var(--bt-paper),0 0 0 3px var(--bt-ink)}
.bt-sw input:checked ~ .bt-cap{color:var(--bt-ink)}
.bt-sw input:focus-visible + .bt-dot{outline:2px solid var(--bt-gold);outline-offset:4px}

.bt-pills{display:flex;flex-wrap:wrap;gap:7px}
.bt-pill{position:relative;cursor:pointer}
.bt-pill input{position:absolute;opacity:0;pointer-events:none}
.bt-pill span{display:block;padding:9px 14px;border:1px solid var(--bt-rule);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--bt-ink-2);transition:border-color .2s,color .2s,background .2s}
.bt-pill:hover span{border-color:var(--bt-ink-3);color:var(--bt-ink)}
.bt-pill input:checked + span{background:var(--bt-ink);border-color:var(--bt-ink);color:var(--bt-paper)}
.bt-pill input:focus-visible + span{outline:2px solid var(--bt-gold);outline-offset:3px}

.bt-stone-card{border:1px solid var(--bt-rule);padding:18px}
.bt-stone-card h4{font-family:var(--bt-sans);font-size:10.5px;font-weight:400;letter-spacing:.22em;text-transform:uppercase;color:var(--bt-ink-3);margin:0 0 4px}
.bt-stone-card .bt-now{font-family:var(--bt-serif);font-size:17px;margin-bottom:14px;display:block}
.bt-stones2{display:grid;gap:12px}
@media(min-width:620px){.bt-stones2{grid-template-columns:1fr 1fr}}

.bt-slider-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:8px}
.bt-val{font-family:var(--bt-serif);font-size:23px;font-variant-numeric:tabular-nums}
.bt-val small{font-family:var(--bt-sans);font-size:11px;letter-spacing:.14em;color:var(--bt-ink-3);margin-left:5px}
.bt-designer input[type=range]{-webkit-appearance:none;appearance:none;width:100%;background:transparent;height:22px;margin:0;cursor:pointer}
.bt-designer input[type=range]::-webkit-slider-runnable-track{height:1px;background:var(--bt-ink-3)}
.bt-designer input[type=range]::-moz-range-track{height:1px;background:var(--bt-ink-3)}
.bt-designer input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:15px;height:15px;border-radius:50%;background:var(--bt-ink);margin-top:-7px;border:3px solid var(--bt-paper);box-shadow:0 0 0 1px var(--bt-ink)}
.bt-designer input[type=range]::-moz-range-thumb{width:15px;height:15px;border-radius:50%;background:var(--bt-ink);border:3px solid var(--bt-paper);box-shadow:0 0 0 1px var(--bt-ink)}
.bt-marks{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.14em;color:var(--bt-ink-3)}

.bt-spec{margin-top:24px;border-top:1px solid var(--bt-ink);padding-top:18px}
.bt-spec dl{display:grid;grid-template-columns:auto 1fr;gap:8px 20px;margin:0}
.bt-spec dt{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--bt-ink-3);padding-top:4px}
.bt-spec dd{margin:0;font-family:var(--bt-serif);font-size:16px;text-align:right;font-variant-numeric:tabular-nums}

.bt-req{margin-top:26px;border-top:1px solid var(--bt-rule);padding-top:22px}
.bt-req h3{font-family:var(--bt-serif);font-weight:300;font-size:24px;margin:0 0 4px}
.bt-req > p{font-size:12.5px;color:var(--bt-ink-3);margin-bottom:18px}
.bt-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px}
@media(max-width:560px){.bt-fields{grid-template-columns:1fr}}
.bt-field{display:flex;flex-direction:column;gap:6px}
.bt-field--wide{grid-column:1/-1}
.bt-field label{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--bt-ink-3)}
.bt-designer .bt-field input,.bt-designer .bt-field textarea{font-family:var(--bt-sans);font-size:15px;font-weight:300;color:var(--bt-ink);border:0;border-bottom:1px solid var(--bt-rule);background:transparent;padding:9px 0;border-radius:0;width:100%}
.bt-designer .bt-field textarea{min-height:110px;resize:vertical;line-height:1.6}
.bt-designer .bt-field input:focus,.bt-designer .bt-field textarea:focus{outline:0;border-bottom-color:var(--bt-ink);box-shadow:none}
.bt-consent{grid-column:1/-1;display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--bt-ink-2)}
.bt-consent input{margin-top:4px;accent-color:var(--bt-ink)}
.bt-foot{grid-column:1/-1;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.bt-msg{font-size:12.5px;color:var(--bt-gold)}
.bt-msg[data-state=ok]{color:#0B6040}
.bt-msg[data-state=err]{color:#B0233C}
.bt-hp{position:absolute!important;left:-9999px!important}

.bt-designer .bt-btn{display:inline-flex;align-items:center;gap:11px;font-family:var(--bt-sans);font-size:11.5px;font-weight:400;letter-spacing:.2em;text-transform:uppercase;text-decoration:none;padding:15px 26px;border:1px solid var(--bt-ink);background:var(--bt-ink);color:var(--bt-paper);cursor:pointer;transition:background .25s,color .25s;white-space:nowrap;border-radius:0}
.bt-designer .bt-btn:hover{background:transparent;color:var(--bt-ink)}
.bt-designer .bt-btn[disabled]{opacity:.5;cursor:progress}

.bt-spark{transform-box:fill-box;transform-origin:center;animation:bt-tw 4.4s ease-in-out infinite}
@keyframes bt-tw{0%,100%{opacity:0;transform:scale(.5)}10%{opacity:.9;transform:scale(1)}34%{opacity:0;transform:scale(.6)}}
@media(prefers-reduced-motion:reduce){.bt-spark{animation:none;opacity:.5}}

/* ============ 2.0 — fotóalapú tervező ============ */
.bt-viewport{position:relative;min-height:280px}
.bt-designer canvas{width:100%;height:auto;max-width:620px;display:block}
.bt-spinner{
  position:absolute;inset:0;display:none;align-items:center;justify-content:center;
  background:rgba(255,255,255,.7);
}
.bt-spinner::after{
  content:"";width:26px;height:26px;border:1px solid var(--bt-rule);border-top-color:var(--bt-gold);
  border-radius:50%;animation:bt-spin .8s linear infinite;
}
.bt-designer.bt-busy .bt-spinner{display:flex}
@keyframes bt-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.bt-spinner::after{animation:none}}

.bt-reset{
  font-family:var(--bt-sans);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  padding:9px 15px;border:1px solid var(--bt-rule);background:transparent;color:var(--bt-ink-2);
  cursor:pointer;transition:border-color .2s,color .2s;
}
.bt-reset:hover{border-color:var(--bt-ink);color:var(--bt-ink)}

.bt-models{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:520px){.bt-models{grid-template-columns:repeat(4,1fr)}}
.bt-model{cursor:pointer;position:relative;display:block}
.bt-model input{position:absolute;opacity:0;pointer-events:none}
.bt-model-box{
  display:flex;flex-direction:column;gap:6px;border:1px solid var(--bt-rule);
  padding:8px 8px 12px;transition:border-color .2s;background:var(--bt-paper);height:100%;
}
.bt-model:hover .bt-model-box{border-color:var(--bt-ink-3)}
.bt-model input:checked + .bt-model-box{border-color:var(--bt-ink);box-shadow:inset 0 0 0 1px var(--bt-ink)}
.bt-model input:focus-visible + .bt-model-box{outline:2px solid var(--bt-gold);outline-offset:3px}
.bt-model-box img{width:100%;height:auto;display:block}
.bt-model-name{font-size:11.5px;line-height:1.35;color:var(--bt-ink)}
.bt-model-meta{font-size:10.5px;color:var(--bt-ink-3);letter-spacing:.04em}
.bt-metal{margin-top:14px;font-size:12.5px;color:var(--bt-ink-3)}
.bt-metal b{color:var(--bt-ink);font-weight:400}