/* brika-kurk.css v2 — LEGO mozaikos + 3D skyriaus stiliai */

/* ─── UPLOAD ZONA ─────────────────────────────────────────────────────────── */
#bk-upload-zone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1rem; min-height: 220px; border: 2px dashed var(--dimmer);
  cursor: pointer; transition: border-color .2s, background .2s;
  padding: 2.5rem 1.5rem; text-align: center;
}
#bk-upload-zone:hover, #bk-upload-zone.drag-over {
  border-color: var(--orange); background: rgba(232,98,42,.05);
}
.bk-upload-icon { font-size: 2.8rem; line-height: 1; opacity: .55; }
.bk-upload-title { font-family: var(--head); font-size: 1.3rem; letter-spacing: .06em; text-transform: uppercase; }
.bk-upload-hint { font-size: .72rem; color: var(--dim); letter-spacing: .05em; }
.bk-upload-btn {
  display: inline-block; background: var(--orange); color: #fff;
  font-family: var(--mono); font-weight: 700; font-size: .78rem;
  letter-spacing: .08em; text-transform: uppercase; padding: .6rem 1.4rem;
  border: none; cursor: pointer; transition: background .15s;
}
.bk-upload-btn:hover { background: #bf521f; }

/* ─── WORK AREA ──────────────────────────────────────────────────────────── */
#bk-work-area { display: none; }

/* TABS */
.bk-tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--dimmer); margin-bottom: 1.2rem;
}
.bk-tab-btn {
  background: transparent; border: none; border-bottom: 2px solid transparent;
  color: var(--dim); font-family: var(--mono); font-size: .75rem;
  letter-spacing: .1em; text-transform: uppercase; padding: .6rem 1.2rem;
  cursor: pointer; transition: color .15s, border-color .15s; margin-bottom: -1px;
}
.bk-tab-btn:hover { color: var(--paper); }
.bk-tab-btn.active { color: var(--orange); border-bottom-color: var(--orange); }

/* ─── MOSAIC TAB ─────────────────────────────────────────────────────────── */
.bk-work-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; align-items: start;
}
@media (max-width: 680px) { .bk-work-grid { grid-template-columns: 1fr; } }
.bk-work-label {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--dim); margin-bottom: .5rem;
}
.bk-crop-wrap { position: relative; width: 100%; overflow: hidden; background: #000; }
#bk-crop { display: block; width: 100%; cursor: grab; }
#bk-crop:active { cursor: grabbing; }
.bk-preview-wrap { position: relative; width: 100%; background: #130c07; overflow-x: auto; }
#bk-preview { display: block; width: 100%; transition: width .3s; }
#bk-stats {
  font-family: var(--mono); font-size: .63rem; color: var(--dim);
  letter-spacing: .05em; margin-top: .4rem; text-align: right; min-height: 1.2em;
}

/* FORMAT BUTTONS */
.bk-fmt-row {
  display: flex; gap: .5rem; flex-wrap: wrap; margin: .8rem 0 .4rem;
}
.bk-fmt-btn {
  background: transparent; border: 1px solid var(--dimmer); color: var(--dim);
  font-family: var(--mono); font-size: .65rem; letter-spacing: .07em;
  text-transform: uppercase; padding: .3rem .75rem; cursor: pointer; transition: all .15s;
}
.bk-fmt-btn:hover { border-color: var(--paper); color: var(--paper); }
.bk-fmt-btn.active { border-color: var(--orange); color: var(--orange); }

/* ─── VALDIKLIAI ─────────────────────────────────────────────────────────── */
#bk-controls {
  display: none; flex-wrap: wrap; gap: .8rem 1.8rem;
  padding: 1rem 0; border-top: 1px solid var(--dimmer);
  border-bottom: 1px solid var(--dimmer); margin-top: 1rem;
}
.bk-ctrl { display: flex; flex-direction: column; gap: .3rem; min-width: 140px; flex: 1; }
.bk-ctrl label {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--dim);
}
.bk-ctrl-row { display: flex; align-items: center; gap: .5rem; }
.bk-ctrl-val { font-family: var(--mono); font-size: .62rem; color: var(--orange); min-width: 1.5rem; text-align: right; }
.bk-ctrl input[type=range] {
  -webkit-appearance: none; width: 100%; height: 2px;
  background: var(--dimmer); outline: none; cursor: pointer;
}
.bk-ctrl input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px; background: var(--orange); cursor: pointer;
}
.bk-ctrl input[type=range]::-moz-range-thumb {
  width: 14px; height: 14px; background: var(--orange); border: none; cursor: pointer;
}
.bk-check-row { display: flex; gap: 1.2rem; align-items: center; flex-wrap: wrap; }
.bk-check-label {
  display: flex; align-items: center; gap: .4rem;
  font-family: var(--mono); font-size: .68rem; letter-spacing: .05em; cursor: pointer; color: var(--paper);
}
.bk-check-label input[type=checkbox] { accent-color: var(--orange); width: 14px; height: 14px; }
.bk-crop-tools { display: flex; gap: .6rem; align-items: center; margin-top: .5rem; }
.bk-icon-btn {
  font-family: var(--mono); font-size: .65rem; letter-spacing: .05em;
  background: transparent; border: 1px solid var(--dimmer); color: var(--dim);
  padding: .28rem .65rem; cursor: pointer; transition: border-color .15s, color .15s;
  white-space: nowrap; flex-shrink: 0;
}
.bk-icon-btn:hover { border-color: var(--paper); color: var(--paper); }

/* ─── 3D TAB ──────────────────────────────────────────────────────────────── */
.bk-3d-cost-box {
  background: var(--bg2); border: 1px solid var(--dimmer);
  padding: 1.2rem 1.5rem; margin-bottom: 1.2rem;
}
.bk-3d-cost-title {
  font-family: var(--head); font-size: 1rem; letter-spacing: .06em;
  text-transform: uppercase; margin-bottom: .8rem;
}
.bk-cost-option {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: .7rem 0; border-bottom: 1px solid var(--dimmer);
}
.bk-cost-option:last-child { border-bottom: none; }
.bk-cost-badge {
  font-family: var(--mono); font-size: .62rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; padding: .2rem .6rem; flex-shrink: 0; margin-top: .1rem;
}
.bk-cost-badge.free { background: rgba(35,120,65,.25); color: #5dba7a; border: 1px solid #5dba7a; }
.bk-cost-badge.paid { background: rgba(232,98,42,.18); color: var(--orange); border: 1px solid var(--orange); }
.bk-cost-desc { flex: 1; }
.bk-cost-desc strong { display: block; font-family: var(--mono); font-size: .78rem; margin-bottom: .2rem; }
.bk-cost-desc span { font-size: .7rem; color: var(--dim); line-height: 1.6; }
.bk-gen-btn {
  background: var(--orange); color: #fff; font-family: var(--head); font-size: .88rem;
  letter-spacing: .07em; text-transform: uppercase; padding: .65rem 1.4rem;
  border: none; cursor: pointer; transition: background .15s; white-space: nowrap; flex-shrink: 0;
}
.bk-gen-btn:hover { background: #bf521f; }
.bk-gen-btn:disabled { background: var(--dimmer); cursor: not-allowed; color: var(--dim); }

.bk-3d-loading {
  display: flex; flex-direction: column; align-items: center; gap: .8rem;
  padding: 2.5rem 1rem; text-align: center;
}
.bk-spinner {
  width: 36px; height: 36px; border: 3px solid var(--dimmer);
  border-top-color: var(--orange); border-radius: 50%;
  animation: bk-spin 0.8s linear infinite;
}
@keyframes bk-spin { to { transform: rotate(360deg); } }
.bk-3d-loading-text { font-family: var(--mono); font-size: .78rem; color: var(--dim); }

.bk-3d-result-wrap { display: flex; flex-direction: column; gap: 1rem; }
.bk-3d-render-box { position: relative; background: #130c07; }
#bk-3d-render { display: block; width: 100%; max-height: 360px; object-fit: contain; }
/* canvas visibility controlled via JS */
.bk-3d-info-row {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
#bk-3d-info { font-family: var(--mono); font-size: .8rem; color: var(--orange); }
.bk-3d-note { font-size: .68rem; color: var(--dim); font-style: italic; }
#bk-3d-err { font-family: var(--mono); font-size: .78rem; color: #e05; padding: 1rem 0; }
.bk-retry-btn {
  display: inline-block; background: none; border: 1px solid var(--orange); color: var(--orange);
  font-family: var(--mono); font-size: .72rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; padding: .4rem .9rem; cursor: pointer; margin-top: .5rem;
  transition: background .15s, color .15s;
}
.bk-retry-btn:hover { background: var(--orange); color: #fff; }

/* ─── DYDŽIO KORTELĖS ───────────────────────────────────────────────────── */
#bk-size-section { display: none; margin-top: 2.5rem; }
.bk-size-heading { font-family: var(--head); font-size: clamp(1.4rem,4vw,2rem); letter-spacing: .06em; text-transform: uppercase; margin-bottom: .3rem; }
.bk-size-sub { font-size: .72rem; color: var(--dim); letter-spacing: .05em; margin-bottom: 1.4rem; }
.bk-size-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: .8rem; }
@media (max-width: 480px) { .bk-size-grid { grid-template-columns: 1fr; } }
.bk-size-card {
  border: 1px solid var(--dimmer); padding: 1.1rem 1rem; cursor: pointer;
  transition: border-color .15s, background .15s; position: relative; overflow: hidden;
}
.bk-size-card:hover { border-color: rgba(245,234,216,.4); }
.bk-size-card.active { border-color: var(--orange); background: rgba(232,98,42,.07); }
.bk-size-card.active::before { content: '✓'; position: absolute; top: .5rem; right: .7rem; font-size: .75rem; color: var(--orange); }
.bk-size-letter { font-family: var(--head); font-size: 2rem; letter-spacing: .04em; line-height: 1; margin-bottom: .3rem; }
.bk-size-cm { font-family: var(--mono); font-size: .72rem; color: var(--paper); margin-bottom: .2rem; }
.bk-size-pieces { font-family: var(--mono); font-size: .62rem; color: var(--dim); margin-bottom: .7rem; }
.bk-size-price { font-family: var(--head); font-size: 1.4rem; letter-spacing: .04em; color: var(--orange); }

/* ─── UŽSAKYMO CTA ──────────────────────────────────────────────────────── */
#bk-order-section {
  display: none; margin-top: 2rem; padding: 2rem 1.5rem;
  background: var(--bg2); border-top: 1px solid var(--dimmer); text-align: center;
}
#bk-discount-badge {
  display: inline-block; font-family: var(--mono); font-size: .62rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--orange);
  border: 1px solid var(--orange); padding: .2rem .6rem; margin-bottom: .8rem;
}
.bk-order-title { font-family: var(--head); font-size: clamp(1.5rem,4vw,2.2rem); letter-spacing: .06em; text-transform: uppercase; margin-bottom: .5rem; }
.bk-order-sub { font-size: .8rem; color: var(--dim); max-width: 440px; margin: 0 auto 1.5rem; line-height: 1.7; }
#bk-order-btn {
  display: inline-block; background: var(--orange); color: #fff; font-family: var(--head);
  font-size: 1.05rem; letter-spacing: .08em; text-transform: uppercase;
  padding: .85rem 2.4rem; border: none; cursor: pointer; transition: background .15s;
}
#bk-order-btn:hover { background: #bf521f; }
.bk-preorder-note { font-size: .65rem; color: var(--dim); margin-top: .8rem; letter-spacing: .04em; }

/* ─── MODALAS ────────────────────────────────────────────────────────────── */
#bk-modal {
  display: none; position: fixed; inset: 0; background: rgba(13,8,3,.88);
  z-index: 999; align-items: center; justify-content: center; padding: 1rem;
}
.bk-modal-box {
  background: var(--bg2); border: 1px solid var(--dimmer); max-width: 440px; width: 100%;
  padding: 2rem; position: relative;
}
#bk-modal-close {
  position: absolute; top: .8rem; right: 1rem; font-size: 1.2rem;
  background: transparent; border: none; color: var(--dim); cursor: pointer; line-height: 1;
}
#bk-modal-close:hover { color: var(--paper); }
.bk-modal-title { font-family: var(--head); font-size: 1.5rem; letter-spacing: .06em; text-transform: uppercase; margin-bottom: .4rem; }
.bk-modal-meta { font-family: var(--mono); font-size: .72rem; color: var(--dim); margin-bottom: 1.4rem; }
.bk-modal-meta span { color: var(--orange); }
#bk-order-form { display: flex; flex-direction: column; gap: .8rem; }
.bk-field label { display: block; font-family: var(--mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); margin-bottom: .3rem; }
.bk-field input {
  width: 100%; background: var(--bg); border: 1px solid var(--dimmer); color: var(--paper);
  font-family: var(--mono); font-size: .85rem; padding: .6rem .8rem; outline: none;
  transition: border-color .15s; box-sizing: border-box;
}
.bk-field input:focus { border-color: var(--orange); }
.bk-submit-btn {
  background: var(--orange); color: #fff; font-family: var(--head); font-size: .95rem;
  letter-spacing: .08em; text-transform: uppercase; padding: .75rem; border: none;
  cursor: pointer; transition: background .15s; margin-top: .4rem;
}
.bk-submit-btn:hover { background: #bf521f; }
.bk-modal-legal { font-size: .6rem; color: var(--dim); margin-top: .5rem; line-height: 1.6; }
#bk-thanks { display: none; flex-direction: column; align-items: center; gap: 1rem; padding: 1rem 0; text-align: center; }
.bk-thanks-icon { font-size: 2.5rem; }
.bk-thanks-title { font-family: var(--head); font-size: 1.6rem; letter-spacing: .06em; text-transform: uppercase; }
.bk-thanks-text { font-size: .82rem; color: var(--dim); line-height: 1.7; }

/* ─── SPALVŲ SĄRAŠAS ─────────────────────────────────────────────────────── */
#bk-color-list {
  display: flex; flex-wrap: wrap; gap: .35rem .5rem;
  padding: .75rem 0 .25rem; min-height: 0;
}
.bk-color-chip {
  display: inline-flex; align-items: center; gap: .3rem;
  background: rgba(245,234,216,.07); border: 1px solid rgba(245,234,216,.12);
  padding: .2rem .45rem .2rem .3rem; font-size: .62rem; letter-spacing: .03em; white-space: nowrap;
}
.bk-chip-dot {
  display: inline-block; width: 10px; height: 10px;
  border-radius: 50%; flex-shrink: 0; border: 1px solid rgba(255,255,255,.15);
}
.bk-chip-name { color: var(--dim); }
.bk-chip-count { color: var(--orange); font-weight: 700; margin-left: .15rem; }

/* ─── ATSILIEPIMAI ───────────────────────────────────────────────────────── */
.bk-reviews-section { padding: 2.5rem 0; border-top: 1px solid var(--dimmer); margin-top: 2rem; }
.bk-reviews-title { font-family: var(--head); font-size: clamp(1.1rem,3vw,1.5rem); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 1.2rem; }
#bk-reviews-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.bk-review-card { border: 1px solid var(--dimmer); padding: 1.2rem 1.4rem; }
.bk-review-stars { color: #f5a623; font-size: 1rem; letter-spacing: .08em; margin-bottom: .6rem; }
.bk-review-text { font-size: .82rem; line-height: 1.8; margin-bottom: .75rem; }
.bk-review-name { font-family: var(--mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; color: var(--dim); }

/* ─── DUK ────────────────────────────────────────────────────────────────── */
.bk-duk-section { padding: 2.5rem 0; border-top: 1px solid var(--dimmer); margin-top: 3rem; }
.bk-duk-title { font-family: var(--head); font-size: clamp(1.3rem,3.5vw,1.8rem); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 1.2rem; }
.bk-duk-item { border-bottom: 1px solid var(--dimmer); }
.bk-duk-q { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .9rem 0; font-family: var(--mono); font-size: .82rem; cursor: pointer; user-select: none; }
.bk-duk-q::after { content: '+'; font-size: 1.2rem; color: var(--orange); flex-shrink: 0; transition: transform .2s; }
.bk-duk-item.open .bk-duk-q::after { transform: rotate(45deg); }
.bk-duk-a { display: none; padding: 0 0 1rem; font-size: .78rem; color: var(--dim); line-height: 1.8; }
.bk-duk-item.open .bk-duk-a { display: block; }

/* ─── BUILD UI (animacija + laikmatis) ──────────────────────────────────── */
.bk-build-top { text-align: center; padding: 1.5rem 0 .8rem; }
.bk-build-title {
  font-family: var(--head); font-size: clamp(1.3rem,5vw,2rem);
  letter-spacing: .06em; text-transform: uppercase; margin-bottom: .4rem;
}
.bk-build-subtitle {
  font-size: .72rem; color: var(--dim); margin-bottom: .3rem; font-style: italic;
}
.bk-build-timer {
  font-family: var(--mono); font-size: .75rem; color: var(--orange);
  letter-spacing: .1em; text-transform: uppercase; min-height: 1.2em;
}

/* Canvas area: bricks or 3D */
.bk-canvas-area {
  position: relative; background: #130c07; border: 1px solid var(--dimmer);
  min-height: 200px; display: flex; align-items: center; justify-content: center;
}
.bk-canvas-area > canvas { width: 100%; aspect-ratio: 4/3; display: block; }

/* Falling bricks placeholder */
.bk-bricks-anim {
  display: flex; flex-direction: column; align-items: center;
  justify-content: flex-end; gap: 5px; padding: 1.5rem;
  height: 140px; box-sizing: border-box;
}
.bk-brick-layer { display: flex; gap: 5px; }
.bk-bl {
  display: inline-block; width: 28px; height: 17px;
  border-radius: 2px; box-shadow: 0 3px 0 rgba(0,0,0,.45);
}
.bk-bl-wide { width: 44px; }
.bk-bll-1 { animation: bk-fall 2.6s 0s ease-out infinite; }
.bk-bll-2 { animation: bk-fall 2.6s .38s ease-out infinite; }
.bk-bll-3 { animation: bk-fall 2.6s .76s ease-out infinite; }
@keyframes bk-fall {
  0%, 4%   { transform: translateY(-80px); opacity: 0; }
  24%      { transform: translateY(0); opacity: 1; }
  68%      { opacity: 1; }
  90%, 100%{ opacity: .08; }
}

/* Steps list */
.bk-steps-list {
  display: flex; flex-direction: column; gap: .3rem;
  max-width: 300px; margin: 1rem auto 0; text-align: left;
}
.bk-step {
  display: flex; align-items: center; gap: .55rem;
  font-family: var(--mono); font-size: .66rem;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--dim); opacity: .3; transition: opacity .35s, color .35s;
}
.bk-step.done  { opacity: 1; color: #4caf50; }
.bk-step.active{ opacity: 1; color: var(--paper); }
.bk-si { width: 14px; text-align: center; flex-shrink: 0; }

/* ─── KATEGORIJŲ PASIRINKIMAS ───────────────────────────────────────────── */
.bk-cats {
  display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: .75rem;
}
.bk-cat {
  display: flex; align-items: center; gap: .45rem;
  background: var(--bg2); border: 1px solid var(--dimmer);
  color: var(--dim); font-family: var(--mono); font-size: .72rem;
  letter-spacing: .06em; text-transform: uppercase;
  padding: .55rem .9rem; cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.bk-cat:hover { border-color: rgba(245,234,216,.35); color: var(--paper); }
.bk-cat.active {
  border-color: var(--orange); color: var(--orange);
  background: rgba(232,98,42,.08);
}
.bk-cat-icon { font-size: 1.1rem; line-height: 1; flex-shrink: 0; }
.bk-cat-text { display: flex; flex-direction: column; gap: .08rem; }
.bk-cat-label { }
.bk-cat-price { font-size: .58rem; letter-spacing: .04em; text-transform: lowercase; opacity: .6; font-weight: 400; }
.bk-cat.active .bk-cat-price { opacity: 1; }
.bk-cat--duo {
  position: relative;
  border-color: var(--orange) !important;
}
.bk-cat--duo:not(.active) { color: var(--orange); }
.bk-cat-badge {
  position: absolute; top: -9px; right: 6px;
  background: var(--orange); color: #fff;
  font-family: var(--mono); font-size: .54rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 1px 5px; pointer-events: none;
  white-space: nowrap;
}
.bk-cat-tip {
  font-family: var(--mono); font-size: .68rem;
  color: var(--dim); letter-spacing: .04em;
  min-height: 1.2em; transition: opacity .2s;
}
.bk-upload2-wrap {
  display: none; flex-direction: column; gap: .5rem; margin-top: .6rem;
}
.bk-upload2-wrap.show { display: flex; }
.bk-upload2 {
  display: flex; align-items: center; gap: .7rem;
  border: 1px dashed var(--dimmer); padding: .55rem .8rem;
  cursor: pointer; transition: border-color .15s;
}
.bk-upload2:hover { border-color: rgba(245,234,216,.4); }
.bk-upload2-label { font-family: var(--mono); font-size: .7rem; color: var(--dim); letter-spacing: .04em; flex: 1; }
.bk-upload2-name { font-family: var(--mono); font-size: .68rem; color: var(--orange); max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bk-upload2-req { font-size: .58rem; color: var(--dim); opacity: .7; }
.bk-upload2-thumb { width: 40px; height: 40px; object-fit: cover; flex-shrink: 0; }
.bk-upload2-icon { flex-shrink: 0; transition: opacity .2s; }
/* Standard upload preview */
#bk-upload-preview:not([hidden]) {
  display: flex; align-items: center; gap: .9rem;
  border: 1px solid var(--dimmer); padding: .6rem .8rem;
}
.bk-upload-thumb { width: 52px; height: 52px; object-fit: cover; flex-shrink: 0; }
.bk-upload-preview-info { display: flex; flex-direction: column; gap: .3rem; flex: 1; }
.bk-upload-fname { font-family: var(--mono); font-size: .7rem; color: var(--paper); word-break: break-all; }
.bk-upload-change {
  background: none; border: 1px solid var(--dimmer); color: var(--dim);
  font-family: var(--mono); font-size: .62rem; letter-spacing: .06em; text-transform: uppercase;
  padding: .2rem .5rem; cursor: pointer; align-self: flex-start; transition: border-color .15s, color .15s;
}
.bk-upload-change:hover { border-color: rgba(245,234,216,.4); color: var(--paper); }
/* Create model button */
.bk-create-btn {
  display: block; width: 100%; margin-top: .9rem;
  background: var(--orange); color: #fff;
  font-family: var(--mono); font-size: .88rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  border: none; padding: .9rem 1.5rem; cursor: pointer;
  transition: opacity .15s;
}
.bk-create-btn:hover:not(:disabled) { opacity: .88; }
.bk-create-btn:disabled { background: var(--dimmer); color: var(--dim); cursor: not-allowed; }