/* ===== Tools Common CSS (DifferencePilot) ===== */
/* Shared framework for all tool pages: image compressor, converter, QR, barcode, data matrix, passport photo */

/* ===== HERO ===== */
.hero{
  background:linear-gradient(135deg,#ffffff 0%,#ffffff 50%,#ffffff 100%);
  border-radius:14px;padding:14px 20px 28px;
  display:flex;align-items:center;gap:14px;
  position:relative;overflow:hidden;
  box-shadow:0 4px 20px rgba(15,23,42,.3),0 2px 6px rgba(0,0,0,.1)
}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 15% 0%,rgba(99,102,241,.15),transparent 50%),radial-gradient(ellipse at 85% 100%,rgba(56,189,248,.1),transparent 40%);pointer-events:none}
.hero-brand{
  font-size:52px;letter-spacing:-.5px;font-weight:900;
  background:linear-gradient(135deg,#021af5 0%,#021af5 50%,#021af5 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  text-shadow:none;filter:drop-shadow(0 1px 2px rgba(0,0,0,.15));
  margin:0;margin-left:auto;position:relative;z-index:1
}
.hero-desc{margin:0;color:rgba(255,255,255,.75);font-size:11.5px;line-height:1.3;text-align:center;position:absolute;bottom:10px;left:50%;transform:translateX(-50%);white-space:nowrap;z-index:1}

/* ===== TAB NAVIGATION ===== */
.tool-tabs{display:flex;gap:6px;margin:12px 0;flex-wrap:wrap}
.tab-btn{
  border:1px solid #e2e8f0;background:linear-gradient(180deg,#fff,#f8fafc);
  color:#64748b;padding:9px 16px;border-radius:10px;
  font-weight:700;font-size:13px;cursor:pointer;transition:all .2s ease;
  box-shadow:0 1px 3px rgba(0,0,0,.06)
}
.tab-btn:hover{color:#0284c7;border-color:#7dd3fc;background:linear-gradient(180deg,#fff,#f0f9ff)}
.tab-btn.active{
  background:linear-gradient(180deg,#22c55e,#16a34a);color:#fff;border-color:#16a34a;
  box-shadow:0 0 16px rgba(34,197,94,.25),0 3px 10px rgba(34,197,94,.2)
}
.tool-tabs a.tab-btn{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}

/* ===== TOOL SECTION ===== */
.tool-section{display:none;background:#fff;border:1px solid #e2e8f0;border-radius:16px;overflow:hidden;margin-bottom:14px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.tool-section.active{display:block}
.section-head{padding:14px 16px;display:flex;justify-content:space-between;gap:12px;align-items:center;background:linear-gradient(180deg,#fafbff,#f5f7ff);border-bottom:1px solid #e2e8f0}
.section-head h2{font-size:18px;color:#1e293b;font-weight:800;letter-spacing:-.3px}
.section-head p{margin:3px 0 0;color:#64748b;font-size:13px}

/* ===== GRID ===== */
.grid-2{display:grid;grid-template-columns:1fr;gap:12px;padding:12px}

/* ===== CARD ===== */
.card{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:14px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.card-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:-14px -14px 12px;padding:10px 14px;background:#fafbff;border-bottom:1px solid #e2e8f0}
.card-title strong{color:#475569;font-size:13px;font-weight:700}

/* ===== FORM ELEMENTS ===== */
input,select,textarea,button{font:inherit}
input[type="file"]{max-width:260px;font-size:12px;color:#64748b}
input[type="file"]::file-selector-button{
  background:linear-gradient(180deg,#ef4444,#dc2626);
  color:#fff;border:1px solid #b91c1c;border-radius:8px;
  padding:6px 12px;font-size:12px;font-weight:700;cursor:pointer;
  margin-right:8px;transition:all .15s
}
input[type="file"]::file-selector-button:hover{background:linear-gradient(180deg,#f87171,#ef4444);border-color:#dc2626}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
label,.full-label{display:block;color:#475569;font-size:12px;font-weight:700;letter-spacing:.2px}
label input:not([type="range"]):not([type="color"]):not([type="file"]),
label select,.full-label input,.full-label textarea{
  width:100%;margin-top:5px;border:1px solid #d4d9e3;border-radius:8px;
  padding:8px 10px;background:#fff;color:#1e293b;font-size:13px;
  transition:border-color .15s,box-shadow .15s
}
label input:focus,label select:focus,.full-label input:focus,.full-label textarea:focus{outline:none;border-color:#818cf8;box-shadow:0 0 0 3px rgba(99,102,241,.1)}
.full-label textarea{height:120px;resize:vertical;font-family:'Cascadia Code',Consolas,monospace;font-size:13px}
input[type="range"]{width:100%;margin-top:6px;accent-color:#0ea5e9}
input[type="color"]{width:50px;height:34px;border:1px solid #d4d9e3;border-radius:8px;padding:2px;margin-top:5px;background:#fff;cursor:pointer}

/* Preset filter */
.preset-filter-wrap{position:relative;margin-top:5px}
.preset-filter-wrap input[type="text"]{width:100%;padding:8px 10px;border:1px solid #d4d9e3;border-radius:8px 8px 0 0;background:#fff;color:#1e293b;font-size:13px;margin:0}
.preset-filter-wrap input[type="text"]:focus{outline:none;border-color:#818cf8;box-shadow:0 0 0 3px rgba(99,102,241,.1)}
.preset-filter-wrap select{width:100%;padding:6px 10px;border:1px solid #d4d9e3;border-top:0;border-radius:0 0 8px 8px;background:#fff;color:#1e293b;font-size:13px;margin:0;cursor:pointer;height:auto;min-height:120px}
.preset-filter-wrap select option{padding:5px 8px}
.preset-filter-wrap select option:checked{background:linear-gradient(180deg,#eef2ff,#e0e7ff);color:#4338ca;font-weight:700}

/* ===== GLOSSY BUTTONS ===== */
.actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
button{
  border:0;padding:9px 16px;border-radius:10px;
  font-weight:700;font-size:13px;cursor:pointer;
  transition:all .2s ease;position:relative;overflow:hidden
}
button::before{
  content:"";position:absolute;top:0;left:0;right:0;height:50%;
  background:linear-gradient(180deg,rgba(255,255,255,.25) 0%,rgba(255,255,255,0) 100%);
  pointer-events:none;border-radius:10px 10px 0 0
}
button:not(.btn-light){
  background:linear-gradient(180deg,#0ea5e9,#0284c7);color:#fff;
  border:1px solid rgba(14,165,233,.4);
  box-shadow:0 0 12px rgba(14,165,233,.15),0 3px 10px rgba(14,165,233,.2),inset 0 1px 0 rgba(255,255,255,.12)
}
button:not(.btn-light):hover{
  background:linear-gradient(180deg,#38bdf8,#0ea5e9);
  box-shadow:0 0 20px rgba(14,165,233,.3),0 5px 14px rgba(14,165,233,.25),inset 0 1px 0 rgba(255,255,255,.15);
  transform:translateY(-1px)
}
button:not(.btn-light):active{transform:translateY(0);box-shadow:0 0 8px rgba(14,165,233,.15),0 1px 4px rgba(14,165,233,.12)}
button.btn-light{
  background:linear-gradient(180deg,#d946ef,#a21caf);color:#fff;
  border:1px solid rgba(217,70,239,.4);
  box-shadow:0 0 12px rgba(217,70,239,.15),0 3px 10px rgba(217,70,239,.2),inset 0 1px 0 rgba(255,255,255,.12)
}
button.btn-light:hover{
  background:linear-gradient(180deg,#e879f9,#d946ef);border-color:#d946ef;color:#fff;
  box-shadow:0 0 20px rgba(217,70,239,.3),0 5px 14px rgba(217,70,239,.25);transform:translateY(-1px)
}
button.btn-light:active{transform:translateY(0)}

/* ===== RESULT TITLE ===== */
.result-title{font-weight:800;color:#1e293b;font-size:14px;margin-bottom:10px;letter-spacing:-.2px}

/* ===== STATS ===== */
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:10px}
.stats-grid div,.passport-stats div{border:1px solid #e2e8f0;border-radius:10px;padding:8px 10px;background:linear-gradient(180deg,#fafbff,#f5f7ff)}
.stats-grid span,.passport-stats span{display:block;color:#64748b;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;margin-bottom:2px}
.stats-grid b,.passport-stats b{font-size:15px;color:#1e293b}

/* ===== PREVIEW BOXES ===== */
.preview-box,.qr-preview,.barcode-preview{
  min-height:260px;
  background:repeating-conic-gradient(#f8fafc 0% 25%,#f0f4f8 0% 50%) 50%/16px 16px;
  border:1px dashed #d4d9e3;border-radius:14px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  color:#94a3b8;font-weight:700;font-size:13px;padding:14px;overflow:hidden
}
.preview-box img{max-width:100%;max-height:400px;display:none;object-fit:contain;background:#fff;border-radius:10px;border:1px solid #e2e8f0}
.qr-preview{max-height:350px}
.qr-preview canvas,.qr-preview img{max-width:100%;max-height:320px;height:auto;background:#fff;border-radius:10px}
.barcode-preview svg{max-width:100%;background:#fff;border-radius:10px;display:none}

/* ===== SEO CONTENT (tools version) ===== */
.seo-content{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:20px;line-height:1.65;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.seo-content h2{color:#1e293b;font-size:16px;margin:16px 0 6px}
.seo-content h2:first-child{margin-top:0}
.seo-content p{color:#475569;font-size:13px}

/* ===== NOTES ===== */
.small-note,.guide-note{margin-top:10px;color:#64748b;font-size:12px;line-height:1.5}

/* ===== PASSPORT GRID ===== */
.passport-grid{display:grid;grid-template-columns:1fr;gap:12px;padding:12px}
.passport-result-grid{display:grid;grid-template-columns:1fr;gap:12px;padding:0 12px 12px}
.passport-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:10px}

/* ===== CROPPER ===== */
.cropper-wrap{
  min-height:280px;max-height:500px;
  border:1px dashed #d4d9e3;border-radius:14px;
  background:repeating-conic-gradient(#f8fafc 0% 25%,#f0f4f8 0% 50%) 50%/16px 16px;
  position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center
}
#passportCropImage{max-width:100%;display:none}
.cropper-placeholder{color:#94a3b8;font-weight:700;padding:18px;text-align:center;font-size:13px}
.cropper-modal{background:rgba(255,255,255,.5)!important}

/* ===== PASSPORT PREVIEW ===== */
.passport-preview-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;padding:0 12px 12px}
.passport-info-compact{display:grid;grid-template-columns:1fr;gap:6px}
.passport-info-compact div{border:1px solid #e2e8f0;border-radius:8px;padding:6px 8px;background:linear-gradient(180deg,#fafbff,#f5f7ff)}
.passport-info-compact span{display:block;color:#64748b;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.passport-info-compact b{font-size:13px;color:#1e293b}
.passport-preview-box{min-height:180px;overflow:auto}
#passportCanvas,#passportSheetCanvas{display:none;max-width:100%;height:auto;background:#fff;border-radius:10px;border:1px solid #e2e8f0;box-shadow:0 4px 16px rgba(0,0,0,.06)}

/* ===== LOADER OVERLAY ===== */
.loader-overlay{
  position:fixed;inset:0;background:rgba(255,255,255,.7);
  backdrop-filter:blur(10px);z-index:9999;display:none;
  align-items:center;justify-content:center;flex-direction:column;gap:16px
}
.loader-overlay.active{display:flex}
.loader-spinner{width:56px;height:56px;position:relative}
.loader-spinner::before,.loader-spinner::after{content:"";position:absolute;inset:0;border-radius:50%;border:3px solid transparent}
.loader-spinner::before{border-top-color:#6366f1;border-right-color:#8b5cf6;animation:loaderSpin .8s linear infinite}
.loader-spinner::after{inset:8px;border-bottom-color:#f472b6;border-left-color:#34d399;animation:loaderSpin 1.2s linear infinite reverse}
.loader-text{color:#1e293b;font-size:14px;font-weight:700;text-align:center;max-width:240px;line-height:1.4}
.loader-dots::after{content:"";animation:loaderDots 1.2s steps(4,end) infinite}
@keyframes loaderSpin{to{transform:rotate(360deg)}}
@keyframes loaderDots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}

/* Sheet info */
#passportSheetInfo{margin-top:8px;font-weight:700;font-size:12px}
#passportSheetInfo.error{color:#dc2626}
#passportSheetInfo.success{color:#16a34a}

/* ===== IMAGE CONVERTER DROP ZONE ===== */
.cv-drop-zone{
  border:2px dashed #7dd3fc;border-radius:12px;min-height:120px;
  display:flex;align-items:center;justify-content:center;text-align:center;padding:14px;
  background:linear-gradient(180deg,#f0f9ff,#f8fafc);color:#64748b;font-size:12px;font-weight:700;
  transition:border-color .2s;overflow:hidden
}
.cv-check-line{display:inline-flex;align-items:center;gap:4px;margin-top:8px;cursor:pointer}
.cv-check-line input[type="checkbox"]{accent-color:#0ea5e9;width:14px;height:14px;min-width:14px;margin:0;padding:0;cursor:pointer}
.cv-check-line span{color:#475569;font-weight:700;font-size:12px;line-height:1;white-space:nowrap}

/* ===== SITE HEADER (for pages with custom header) ===== */
.brand{display:flex;align-items:center;gap:12px}
.logo{font-size:24px;font-weight:900;color:#0f172a;text-decoration:none}
.tagline{font-size:13px;color:#64748b}

/* Upload box */
.upload-box{border:2px dashed #94a3b8;border-radius:18px;min-height:180px;display:grid;place-items:center;text-align:center;padding:28px;background:#f8fafc}
.upload-box.dragover{background:#e0f2fe;border-color:#0284c7}
.upload-btn,.action-btn,.favicon-btn,.copy-btn{border:0;border-radius:12px;padding:11px 16px;font-weight:800;cursor:pointer;background:#2563eb;color:#ffffff;transition:0.15s ease}
.upload-btn:hover,.action-btn:hover,.favicon-btn:hover,.copy-btn:hover{transform:translateY(-1px);background:#1d4ed8}
.upload-box p{margin:10px 0 0;color:#64748b}
.file-info{margin-top:12px;background:#ecfeff;color:#155e75;border:1px solid #a5f3fc;padding:10px 12px;border-radius:12px;font-weight:700}

/* Preview grid */
.preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}
.preview-card{border:1px solid #e5e7eb;border-radius:16px;padding:14px;background:#ffffff}
.preview-card h3{margin:0 0 10px;font-size:16px}
.preview-card img{max-width:100%;max-height:320px;display:block;margin:0 auto;border-radius:12px;background:#f1f5f9}
.details{display:grid;gap:9px;color:#334155;font-size:14px}

/* Tools grid */
.tools-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.tool-panel{padding:18px;background:#ffffff;border:1px solid #e5e7eb;border-radius:18px;box-shadow:0 12px 30px rgba(15,23,42,0.06)}
.tool-panel.full{grid-column:1/-1}
.tool-panel h2{margin:0 0 8px;font-size:22px;color:#0f172a}
.tool-panel p{margin:0 0 16px;color:#64748b;line-height:1.5}
.button-row{display:flex;flex-wrap:wrap;gap:10px}

/* Check line */
.check-line{display:flex;align-items:center;gap:8px;margin:8px 0 16px;color:#475569;font-weight:700}

/* Favicon grid */
.favicon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.html-code-box{margin-top:18px}
.html-code-box h3{margin:0 0 10px}
.html-code-box textarea{width:100%;min-height:120px;resize:vertical;border:1px solid #cbd5e1;border-radius:14px;padding:12px;font-family:Consolas,monospace;font-size:13px;background:#f8fafc}
.copy-btn{margin-top:10px;background:#0f172a}
.copy-btn:hover{background:#020617}

/* ===== RESPONSIVE ===== */
@media(max-width:960px){
  .hero{flex-direction:column;align-items:flex-start}
  .hero h1{font-size:24px}
  .grid-2,.passport-grid,.passport-result-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start}
  .tool-tabs{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .tab-btn{flex:0 0 auto}
  .passport-stats{grid-template-columns:repeat(2,1fr)}
  .passport-preview-row{grid-template-columns:1fr}
  .preview-grid,.tools-grid,.favicon-grid{grid-template-columns:1fr}
  .brand{flex-direction:column;align-items:flex-start;gap:2px}
}
@media(max-width:560px){
  .grid-2,.passport-grid,.passport-result-grid{padding:8px;gap:8px}
  .form-row,.passport-stats,.stats-grid{grid-template-columns:1fr}
  .preview-box,.qr-preview,.barcode-preview,.cropper-wrap{min-height:200px}
  .card{padding:10px}
  .card-title{margin:-10px -10px 10px;padding:8px 10px;flex-direction:column;align-items:flex-start}
  input[type="file"]{max-width:100%}
  .passport-stats{grid-template-columns:1fr}
}