/* ===== CSS VARIABLES (overridden by theme settings) ===== */
:root{
  --primary:#0077b6;
  --secondary:#023e8a;
  --accent:#90e0ef;
  --bg:#f0f7ff;
  --card_bg:#ffffff;
  --text:#0d2137;
  --font:Inter;
  /* Derived */
  --primary-light:color-mix(in srgb,var(--primary) 12%,white);
  --primary-dark:color-mix(in srgb,var(--primary) 80%,black);
  --border:color-mix(in srgb,var(--accent) 40%,white);
  --muted:color-mix(in srgb,var(--text) 50%,white);
}

/* ===== RESET ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font),system-ui,sans-serif;
  color:var(--text);
  background:var(--secondary);
  min-height:100vh;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}

/* ===== LANG BAR — fixed top, full width ===== */
.lang-bar{
  position:fixed;top:0;left:0;right:0;z-index:300;
  display:flex;align-items:center;justify-content:flex-end;
  gap:4px;padding:6px 16px;
  background:rgba(2,62,138,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
  height:40px;
}
.reset-btn{margin-right:auto;padding:4px 12px;border-radius:5px;text-decoration:none;font-size:.72rem;font-weight:800;color:#fff;background:#dc2626;border:1px solid #ef4444;box-shadow:0 2px 8px rgba(220,38,38,.25);transition:all .15s}
.reset-btn:hover{color:#fff;background:#b91c1c;border-color:#f87171;box-shadow:0 3px 12px rgba(220,38,38,.35)}
.lang-btn{
  padding:4px 12px;border-radius:5px;text-decoration:none;
  font-size:.72rem;font-weight:700;color:rgba(255,255,255,.6);
  transition:all .15s;letter-spacing:.3px;
}
.lang-btn:hover{color:#fff;background:rgba(255,255,255,.1)}
.lang-btn.active{color:#fff;background:var(--primary);border-radius:5px}

/* ===== APP LAYOUT — 3 columns ===== */
.app{
  display:grid;
  grid-template-columns:380px 240px 1fr;
  min-height:100vh;
  padding-top:40px; /* lang-bar height */
}

/* ===== COL 1: OPTIONS ===== */
.col-options{
  background:var(--card_bg);
  display:flex;flex-direction:column;
  height:calc(100vh - 40px);
  overflow:hidden;
  position:sticky;top:40px;
}
.step-body{
  flex:1;overflow-y:auto;
  padding:20px 24px 24px;
}
.step-body::-webkit-scrollbar{width:4px}
.step-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}

.step-body h2{
  font-size:1.2rem;font-weight:800;color:var(--text);
  margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.step-body h2::before{
  content:'';width:4px;height:22px;
  background:linear-gradient(180deg,var(--primary),var(--secondary));
  border-radius:2px;flex-shrink:0;
}

/* Progress */
.progress-wrap{
  padding:12px 24px 8px;
  background:var(--card_bg);
  border-bottom:1px solid var(--border);
  flex-shrink:0;
}
.progress-track{height:6px;background:var(--border);border-radius:999px;overflow:hidden;margin-bottom:8px;position:relative}
.progress-fill{
  height:100%;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  border-radius:999px;transition:width .3s ease;
}
.progress-info{display:flex;justify-content:space-between;font-size:.72rem;color:var(--muted);gap:10px}
.progress-info b{color:var(--text);font-weight:700}
.step-name{font-weight:600;color:var(--primary)}

/* Cards */
.cards{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.card{
  display:flex;align-items:center;gap:10px;
  padding:11px 14px;
  background:var(--bg);
  border:2px solid var(--border);
  border-radius:10px;cursor:pointer;transition:all .15s;position:relative;
}
.card:hover{border-color:var(--primary);background:var(--primary-light)}
.card:has(input[type="radio"]:checked){
  border-color:var(--primary);
  background:var(--primary-light);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 15%,transparent);
}
.card input[type="radio"]{position:absolute;opacity:0;width:0;height:0}
.card-swatch{width:30px;height:30px;border-radius:6px;flex-shrink:0;border:2px solid var(--border)}
.card-text{display:flex;flex-direction:column}
.card-text strong{font-size:.85rem;font-weight:600;color:var(--text)}
.card-text small{font-size:.72rem;color:var(--muted)}
.card:has(input[type="radio"]:checked)::after{
  content:'✓';position:absolute;top:6px;right:8px;
  width:20px;height:20px;
  background:var(--primary);color:#fff;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:.62rem;font-weight:700;
}

/* Dimensions */
.dim-form{
  display:flex;flex-direction:column;gap:16px;
  padding:16px;background:var(--bg);
  border:2px solid var(--border);border-radius:10px;
}
.dim-group label{
  font-weight:700;color:var(--text);font-size:.78rem;
  text-transform:uppercase;letter-spacing:.4px;display:block;margin-bottom:6px;
}
.dim-row{display:flex;align-items:center;gap:8px}
.dim-row input{
  flex:1;padding:10px;
  border:2px solid var(--border);border-radius:8px;
  font-size:.95rem;font-weight:600;color:var(--text);
  text-align:center;font-family:inherit;background:var(--card_bg);
}
.dim-row input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 12%,transparent)}
.dim-row span{font-size:.8rem;color:var(--muted);font-weight:600}
.dim-group small{color:var(--muted);font-size:.68rem;margin-top:3px;display:block}

/* Checkboxes */
.check-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.chk{
  display:flex;align-items:center;gap:6px;
  padding:8px 12px;background:var(--bg);
  border:2px solid var(--border);border-radius:8px;
  cursor:pointer;font-size:.8rem;font-weight:500;color:var(--text);transition:all .15s;
}
.chk:hover{border-color:var(--primary)}
.chk input{width:16px;height:16px;accent-color:var(--primary)}

/* Contact form */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.fg{display:flex;flex-direction:column;gap:4px;margin-bottom:10px}
.form-grid .fg{margin-bottom:0}
.fg label{font-weight:600;color:var(--text);font-size:.78rem}
.fg input,.fg textarea{
  width:100%;padding:10px;
  border:2px solid var(--border);border-radius:8px;
  font-size:.85rem;color:var(--text);font-family:inherit;
  background:var(--card_bg);transition:all .15s;
}
.fg input:focus,.fg textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 12%,transparent)}
.fg textarea{resize:vertical;min-height:60px}

/* Nav */
.nav-bar{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:14px;margin-top:14px;
  border-top:1px solid var(--border);gap:8px;
}
.btn{
  display:inline-flex;align-items:center;gap:5px;
  padding:10px 20px;border:none;border-radius:8px;
  font-size:.85rem;font-weight:600;cursor:pointer;
  font-family:inherit;transition:all .15s;text-decoration:none;
}
.btn-back{background:var(--card_bg);color:var(--muted);border:2px solid var(--border)}
.btn-back:hover{background:var(--bg);border-color:var(--primary)}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#fff;box-shadow:0 2px 8px color-mix(in srgb,var(--primary) 30%,transparent);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 14px color-mix(in srgb,var(--primary) 35%,transparent)}
.btn-submit{
  background:linear-gradient(135deg,#059669,#047857);
  color:#fff;box-shadow:0 2px 8px rgba(5,150,105,.25);
}
.btn-submit:hover{transform:translateY(-1px)}

/* ===== COL 2: SUMMARY ===== */
.col-summary{
  background:var(--secondary);
  color:#e0f4ff;
  padding:16px 14px;
  overflow-y:auto;
  height:calc(100vh - 40px);
  position:sticky;top:40px;
  border-left:1px solid rgba(255,255,255,.06);
  border-right:1px solid rgba(255,255,255,.06);
}
.col-summary::-webkit-scrollbar{width:3px}
.col-summary::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:2px}
.col-summary h3{
  font-size:.82rem;font-weight:700;margin-bottom:12px;
  padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.1);
  color:#fff;
}
.sum-row{
  padding:7px 10px;margin-bottom:3px;
  border-radius:6px;background:rgba(255,255,255,.04);
  font-size:.75rem;transition:background .15s;
}
.sum-row:hover{background:rgba(255,255,255,.07)}
.sum-row.sum-active{
  background:color-mix(in srgb,var(--primary) 25%,transparent);
  border-left:3px solid var(--accent);
}
.sum-label{display:block;color:rgba(255,255,255,.45);font-size:.65rem;text-transform:uppercase;letter-spacing:.3px;font-weight:600;margin-bottom:2px}
.sum-val{color:#e0f4ff;font-weight:600;font-size:.78rem}
.sum-val em{color:rgba(255,255,255,.3);font-style:normal;font-weight:400}

/* ===== COL 3: PREVIEW ===== */
.col-preview{
  background:linear-gradient(135deg,var(--secondary) 0%,color-mix(in srgb,var(--secondary) 70%,black) 100%);
  display:flex;align-items:center;justify-content:center;
  height:calc(100vh - 40px);
  position:sticky;top:40px;
  padding:32px;
}
.col-preview img{
  max-width:100%;max-height:75vh;
  object-fit:contain;
  filter:drop-shadow(0 12px 40px rgba(0,0,0,.4));
  border-radius:8px;
  transition:opacity .2s ease, src .2s;
}

/* ===== DONE SCREEN ===== */
.done-screen{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--secondary),color-mix(in srgb,var(--secondary) 70%,black));
  padding-top:40px;
}
.done-box{text-align:center;color:#e0f4ff;padding:40px}
.done-icon{
  width:70px;height:70px;
  background:linear-gradient(135deg,#059669,#047857);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:1.8rem;color:#fff;margin:0 auto 16px;
}
.done-box h2{font-size:1.6rem;margin-bottom:8px;color:#fff}
.done-box p{color:rgba(255,255,255,.6);margin-bottom:20px}

/* ===== RESPONSIVE ===== */
@media(max-width:1200px){
  .app{grid-template-columns:340px 220px 1fr}
}
@media(max-width:1000px){
  .app{grid-template-columns:300px 200px 1fr}
}
@media(max-width:900px){
  .app{grid-template-columns:1fr;height:auto;padding-top:40px}

  /* Preview on top */
  .col-preview{
    order:-2;height:auto;min-height:180px;padding:16px;
    position:relative;top:0;
  }
  .col-preview img{max-height:160px}

  /* Lang bar stays fixed */
  .lang-bar{justify-content:center}

  /* Summary hidden on mobile */
  .col-summary{display:none}

  /* Options full width */
  .col-options{height:auto;overflow:visible;position:relative;top:0}
  .step-body{padding:16px}
}
@media(max-width:600px){
  .app{grid-template-columns:1fr}
  .col-preview{min-height:140px;padding:12px}
  .col-preview img{max-height:120px}
  .form-grid{grid-template-columns:1fr}
  .step-body h2{font-size:1rem}
  .btn{padding:9px 16px;font-size:.8rem}
  .progress-wrap{padding:10px 16px 6px}
}

/* ===== BREADCRUMB ===== */
.breadcrumb{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(26px,1fr));gap:0;margin-top:10px;position:relative;align-items:center;
}
.breadcrumb::before{content:'';position:absolute;left:13px;right:13px;top:13px;height:2px;background:var(--border);z-index:0}
.breadcrumb::after{content:'';position:absolute;left:13px;top:13px;height:2px;width:calc((100% - 26px) * var(--step-progress,0) / 100);background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:999px;z-index:0;transition:width .3s ease}
.bc-item{
  width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  justify-self:center;
  font-size:.68rem;font-weight:700;text-decoration:none;
  background:var(--card_bg);color:var(--muted);
  border:2px solid var(--border);
  transition:all .15s;flex-shrink:0;position:relative;z-index:1;
}
.bc-item:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.bc-item.bc-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 20%,transparent)}
.bc-item.bc-done{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}
.bc-item.bc-locked{opacity:.55;cursor:not-allowed;background:var(--card_bg);border-color:var(--border);color:var(--muted)}
.bc-item.bc-locked:hover{background:var(--card_bg);border-color:var(--border);color:var(--muted)}


/* ===== STEP HELP ===== */
.step-help{
  padding:10px 14px;
  background:color-mix(in srgb,var(--accent) 20%,white);
  border-left:3px solid var(--primary);
  border-radius:0 8px 8px 0;
  font-size:.8rem;color:var(--text);
  margin-bottom:14px;line-height:1.5;
}

/* ===== CARD IMAGE ===== */
.card-img{
  width:44px;height:44px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--card_bg);border-radius:8px;
  border:1px solid var(--border);overflow:hidden;
}
.card-img img{width:100%;height:100%;object-fit:contain;padding:3px}

/* ===== CONTACT SUMMARY ===== */
.contact-summary{
  padding:14px;
  background:color-mix(in srgb,var(--primary) 6%,white);
  border:1.5px solid var(--border);
  border-radius:10px;margin-bottom:16px;
}
.contact-summary-title{
  font-size:.75rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.4px;color:var(--primary);margin-bottom:10px;
}
.cs-row{
  display:flex;justify-content:space-between;align-items:center;
  padding:5px 0;border-bottom:1px solid var(--border);font-size:.78rem;
}
.cs-row:last-child{border-bottom:none}
.cs-label{color:var(--muted);font-weight:500}
.cs-val{font-weight:600;color:var(--text);text-align:right;max-width:55%}

.step-alert{padding:10px 14px;margin:0 0 12px;background:#fff7ed;border:1px solid #fed7aa;border-left:3px solid #f97316;border-radius:0 8px 8px 0;color:#9a3412;font-size:.82rem;font-weight:600}
.btn-disabled-soft{opacity:.62}

.dim-slider{gap:10px}
.dim-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.dim-head label{margin-bottom:0}
.dim-head strong{font-size:.95rem;color:var(--primary);font-weight:800;white-space:nowrap}
.dim-slider input[type="range"]{
  width:100%;height:8px;border-radius:999px;appearance:none;
  background:linear-gradient(90deg,var(--primary) 0,var(--primary) var(--range-progress,0%),var(--border) var(--range-progress,0%),var(--border) 100%);
  outline:none;cursor:pointer;
}
.dim-slider input[type="range"]::-webkit-slider-thumb{
  appearance:none;width:24px;height:24px;border-radius:50%;
  background:var(--card_bg);border:4px solid var(--primary);
  box-shadow:0 3px 10px color-mix(in srgb,var(--primary) 30%,transparent);
}
.dim-slider input[type="range"]::-moz-range-thumb{
  width:18px;height:18px;border-radius:50%;
  background:var(--card_bg);border:4px solid var(--primary);
  box-shadow:0 3px 10px color-mix(in srgb,var(--primary) 30%,transparent);
}
.dim-scale{display:flex;justify-content:space-between;color:var(--muted);font-size:.68rem;font-weight:600}
.dim-row-compact{max-width:150px;margin-top:2px}
.dim-row-compact input{text-align:left}