/* ===== Barcode Generator Page CSS ===== */

/* Barcode page header */
.site-header{
  background:linear-gradient(135deg,#1e3a5f 0%,#0d7377 50%,#14919b 100%);
  border-radius:14px;padding:14px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  color:#fff;position:relative;overflow:hidden;
  box-shadow:0 6px 24px rgba(30,58,95,.3);min-height:96px
}
.site-header::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 15% 0%,rgba(255,255,255,.12),transparent 50%);pointer-events:none}
.site-header h1{font-size:22px;font-weight:800;letter-spacing:-.4px;position:relative;z-index:1}
.site-header p{font-size:12px;color:rgba(255,255,255,.75);margin-top:2px;position:relative;z-index:1}
.site-header .header-actions{position:relative;z-index:1;display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}

/* Navigation links */
.qr-link,.barcode-link{
  position:relative;z-index:1;display:inline-flex;align-items:center;gap:6px;
  padding:7px 10px;border-radius:8px;border:0;
  background:linear-gradient(180deg,#22c55e,#16a34a);color:#fff;
  font-weight:800;font-size:12px;text-decoration:none;
  box-shadow:0 3px 10px rgba(34,197,94,.22);transition:all .2s;flex-shrink:0;cursor:pointer
}
.qr-link:hover,.barcode-link:hover{background:linear-gradient(180deg,#4ade80,#22c55e);transform:translateY(-1px)}

/* Grid layout */
.bc-grid{display:grid;grid-template-columns:320px minmax(0,1fr) 300px;gap:14px;margin-top:14px}
.bc-settings{display:flex;flex-direction:column;gap:14px}
.bc-right{display:flex;flex-direction:column;gap:14px}
.bc-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:16px;box-shadow:0 4px 16px rgba(15,23,42,.06)}
.bc-card-title{font-size:13px;font-weight:900;color:#172554;margin:0 0 12px;padding:0 0 8px;border-bottom:1px solid #e2e8f0}
.bc-row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bc-label{display:block;font-size:12px;font-weight:700;color:#475569;margin-bottom:4px}
.bc-input,.bc-select,.bc-textarea{
  width:100%;border:1px solid #d4d9e3;border-radius:10px;padding:9px 11px;
  font-size:13px;color:#1e293b;background:#fff;font-family:inherit;
  transition:border-color .15s,box-shadow .15s;outline:none
}
.bc-input:focus,.bc-select:focus,.bc-textarea:focus{border-color:#818cf8;box-shadow:0 0 0 3px rgba(99,102,241,.1)}
.bc-textarea{resize:vertical;min-height:90px;font-family:Consolas,'Cascadia Code',monospace;font-size:13px}

/* Mode tabs */
.bc-mode-tabs{display:flex;gap:6px;margin-bottom:4px}
.bc-mode-tab{
  flex:1;padding:9px 14px;border-radius:10px;border:1px solid #e2e8f0;
  background:linear-gradient(180deg,#fff,#f8fafc);color:#64748b;
  font-weight:700;font-size:13px;cursor:pointer;text-align:center;transition:all .2s
}
.bc-mode-tab.active{background:linear-gradient(180deg,#22c55e,#16a34a);color:#fff;border-color:#16a34a;box-shadow:0 0 12px rgba(34,197,94,.2)}
.bc-mode-tab:hover:not(.active){color:#0284c7;border-color:#7dd3fc}

/* Sheet tabs */
.bc-sheet-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.bc-sheet-tab{padding:8px 4px;border-radius:10px;border:1px solid #e2e8f0;background:#fff;color:#64748b;font-weight:700;font-size:12px;cursor:pointer;text-align:center;transition:all .2s}
.bc-sheet-tab.active{background:#eef2ff;border-color:#818cf8;color:#4338ca;font-weight:900}
.bc-sheet-tab:hover:not(.active){border-color:#7dd3fc}

/* Toggle */
.bc-toggle-row{display:flex;align-items:center;justify-content:space-between;padding:5px 0}
.bc-toggle{position:relative;width:40px;height:22px;flex-shrink:0}
.bc-toggle input{position:absolute;opacity:0;width:1px;height:1px;overflow:hidden}
.bc-toggle-slider{position:absolute;inset:0;background:#e2e8f0;border-radius:11px;cursor:pointer;transition:.2s}
.bc-toggle-slider:before{position:absolute;content:"";width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.15)}
.bc-toggle input:checked+.bc-toggle-slider{background:#22c55e}
.bc-toggle input:checked+.bc-toggle-slider:before{transform:translateX(18px)}

/* Upload zone */
.bc-upload-zone{
  border:2px dashed #7dd3fc;border-radius:12px;padding:18px;text-align:center;
  cursor:pointer;background:linear-gradient(180deg,#f0f9ff,#f8fafc);
  color:#64748b;font-size:12px;font-weight:700;transition:all .2s
}
.bc-upload-zone:hover{border-color:#0ea5e9;background:#e0f2fe}
.bc-upload-zone .uz-icon{font-size:22px;margin-bottom:4px}

/* Stats */
.bc-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px}
.bc-stat{border:1px solid #e2e8f0;border-radius:10px;padding:8px;text-align:center;background:linear-gradient(180deg,#fafbff,#f5f7ff)}
.bc-stat-val{font-size:18px;font-weight:900;color:#1e293b}
.bc-stat-lbl{font-size:10px;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:.5px}

/* Buttons */
.bc-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 16px;border-radius:10px;border:0;font-weight:700;font-size:13px;
  cursor:pointer;transition:all .2s;position:relative;overflow:hidden
}
.bc-btn::before{content:"";position:absolute;top:0;left:0;right:0;height:50%;background:linear-gradient(180deg,rgba(255,255,255,.25),transparent);pointer-events:none;border-radius:10px 10px 0 0}
.bc-btn-primary{background:linear-gradient(180deg,#22c55e,#16a34a);color:#fff;box-shadow:0 4px 14px rgba(34,197,94,.25)}
.bc-btn-primary:hover{background:linear-gradient(180deg,#4ade80,#22c55e);transform:translateY(-1px)}
.bc-btn-blue{background:linear-gradient(180deg,#0ea5e9,#0284c7);color:#fff;box-shadow:0 4px 14px rgba(14,165,233,.2)}
.bc-btn-blue:hover{background:linear-gradient(180deg,#38bdf8,#0ea5e9);transform:translateY(-1px)}
.bc-btn-purple{background:linear-gradient(180deg,#d946ef,#a21caf);color:#fff;box-shadow:0 4px 14px rgba(217,70,239,.2)}
.bc-btn-purple:hover{background:linear-gradient(180deg,#e879f9,#d946ef);transform:translateY(-1px)}
.bc-btn-outline{background:#fff;color:#475569;border:1px solid #d4d9e3;box-shadow:0 1px 4px rgba(0,0,0,.05)}
.bc-btn-outline:hover{border-color:#818cf8;color:#4338ca;background:#eef2ff}
.bc-btn-full{width:100%}

/* Preview */
.bc-preview-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;box-shadow:0 4px 16px rgba(15,23,42,.06);display:flex;flex-direction:column;overflow:hidden;min-height:620px}
.bc-preview-toolbar{padding:12px 16px;display:flex;align-items:center;gap:12px;background:linear-gradient(180deg,#fafbff,#f5f7ff);border-bottom:1px solid #e2e8f0;min-height:48px}
.bc-preview-info{flex:1;font-size:12px;font-weight:700;color:#475569}
.bc-preview-scroll{flex:1;overflow:auto;display:flex;align-items:flex-start;justify-content:center;padding:16px;background:#f0f4f8;min-height:520px;height:420px;contain:layout paint;box-sizing:border-box}
.bc-sheet-wrap{position:relative;background:#fff;flex-shrink:0;box-shadow:0 4px 20px rgba(15,23,42,.12);border-radius:4px;min-width:320px;min-height:170px;flex:0 0 auto}
#sheetCanvas{display:block;width:794px;height:1123px;max-width:100%}
.bc-page-info{font-size:12px;font-weight:700;color:#64748b}

/* Toast */
.bc-toast{position:fixed;bottom:20px;right:20px;background:#1e293b;color:#fff;padding:12px 18px;border-radius:12px;font-size:13px;font-weight:700;z-index:1000;opacity:0;transform:translateY(10px);transition:all .3s;pointer-events:none;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.bc-toast.show{opacity:1;transform:translateY(0)}
.bc-err{color:#dc2626;font-size:12px;margin-top:4px;font-weight:700}

/* Color row + zoom */
.bc-color-zoom-row{display:flex;align-items:center;gap:12px;min-height:44px}
.bc-inline-zoom .bc-btn{min-height:26px}

/* SEO/Footer for bar-qr pages */
.seo-box{background:#fff;border:1px solid #e2e8f0;border-radius:18px;box-shadow:0 10px 30px rgba(15,23,42,.06);padding:22px}
.seo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:14px}
.seo-card{background:#f8fafc;border:1px solid #e5e7eb;border-radius:14px;padding:14px}
.seo-list{columns:2;padding-left:20px}
.footer-inner{background:#0f172a;color:#e2e8f0;border-radius:18px;padding:18px;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.footer-inner a{color:#bfdbfe;text-decoration:none;font-weight:700;margin-right:14px}
.footer-inner a:hover{text-decoration:underline}
.footer-brand{font-weight:900}
.nav-mini{display:flex;gap:6px;flex-wrap:wrap;margin-top:7px}
.nav-mini a{color:#1d4ed8;font-weight:800;text-decoration:none;background:#eff6ff;border:1px solid #bfdbfe;border-radius:999px;padding:4px 8px;font-size:11px;line-height:1.1}
.nav-mini a:hover{background:#dbeafe}

/* Responsive */
@media(max-width:1100px){.bc-grid{grid-template-columns:1fr 1fr}.bc-right{order:3}}
@media(max-width:768px){
  .bc-grid{grid-template-columns:1fr}
  .bc-preview-scroll{min-height:400px}
  .site-header{flex-direction:column;text-align:center}
  .site-header h1{font-size:18px}
  .bc-preview-card{min-height:460px}
  .bc-preview-scroll,#previewScroll{min-height:340px;height:340px}
  .bc-color-zoom-row{gap:8px!important}
  .bc-inline-zoom{margin-left:0!important;width:100%;justify-content:flex-start}
  .nav-mini{justify-content:center}
  .qr-link,.barcode-link{padding:6px 9px!important;font-size:11px!important}
}
@media(max-width:780px){.seo-grid{grid-template-columns:1fr}.seo-list{columns:1}.footer-inner{display:block}.footer-inner nav{margin-top:12px}}
@media(max-width:560px){.bc-row2{grid-template-columns:1fr}.bc-stats{grid-template-columns:1fr}}