/* QRCodeGenerator.club — Shared Tool Page Styles */
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{
--primary:#10B981;--primary-dark:#059669;--primary-light:#D1FAE5;
--accent:#6366F1;--bg:#FAFBFE;--card:#FFFFFF;
--text:#1A1A2E;--text-secondary:#6B7280;--text-muted:#9CA3AF;
--border:#F0F0F5;
--shadow-sm:0 1px 3px rgba(16,185,129,.04),0 1px 2px rgba(0,0,0,.03);
--shadow-md:0 4px 12px rgba(16,185,129,.08),0 2px 4px rgba(0,0,0,.03);
--shadow-lg:0 10px 30px rgba(16,185,129,.12),0 4px 8px rgba(0,0,0,.04);
--radius:16px;--radius-sm:10px;
}
[data-theme="dark"]{
--bg:#0F1117;--card:#1A1D2E;--text:#F1F3F8;
--text-secondary:#A0A8C0;--text-muted:#6B7280;
--border:#2A2D3E;--primary-light:#064E3B;
}
body{font-family:'Plus Jakarta Sans',-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column;transition:background .3s,color .3s}

/* Header */
.qr-header{position:sticky;top:0;z-index:100;padding:0 24px;height:64px;background:rgba(250,251,254,.95);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
[data-theme="dark"] .qr-header{background:rgba(15,17,23,.95)}
.qr-header .logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:800;font-size:1.1rem}
.qr-header .logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.75rem;font-weight:800}
.qr-header nav{display:flex;align-items:center;gap:4px}
.qr-header nav a{padding:7px 14px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.84rem;font-weight:500;text-decoration:none;transition:all .2s}
.qr-header nav a:hover{background:var(--border);color:var(--text)}
.qr-header .right{display:flex;align-items:center;gap:10px}
.theme-btn{width:36px;height:36px;border-radius:50%;background:var(--bg);border:1px solid var(--border);cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center;transition:all .2s}
.theme-btn:hover{border-color:var(--primary)}

/* Container */
.container{max-width:800px;margin:0 auto;padding:32px 20px;flex:1}
.hero{text-align:center;margin-bottom:32px}
.hero h1{font-size:1.8rem;font-weight:800;margin-bottom:8px;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{color:var(--text-secondary);font-size:.92rem;line-height:1.6;max-width:600px;margin:0 auto}

/* Card */
.tool-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-md);margin-bottom:20px}

/* Form Elements */
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.82rem;font-weight:600;color:var(--text-secondary);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:11px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.9rem;color:var(--text);background:var(--bg);outline:none;transition:border .2s;font-family:inherit}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
.form-group textarea{min-height:100px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;background:linear-gradient(135deg,var(--primary),#059669);color:#fff;border:none;border-radius:100px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit}
.btn:hover{transform:translateY(-1px);box-shadow:0 4px 15px rgba(16,185,129,.3)}
.btn:active{transform:scale(.98)}
.btn-secondary{background:var(--card);color:var(--text);border:1.5px solid var(--border)}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary);box-shadow:none;transform:none}
.btn-full{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* QR Output */
.qr-output{text-align:center;padding:24px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);margin-top:20px}
.qr-output canvas,.qr-output img{max-width:250px;border-radius:8px}
.qr-output .actions{display:flex;gap:10px;justify-content:center;margin-top:16px;flex-wrap:wrap}

/* SEO Content */
.seo-section{background:var(--card);border-top:1px solid var(--border);padding:48px 24px;margin-top:40px}
.seo-container{max-width:720px;margin:0 auto}
.seo-section h2{font-size:1.3rem;font-weight:800;margin-bottom:12px;color:var(--text)}
.seo-section h3{font-size:1.05rem;font-weight:700;margin-top:24px;margin-bottom:8px}
.seo-section p{font-size:.88rem;color:var(--text-secondary);line-height:1.7;margin-bottom:12px}
.seo-section ul,.seo-section ol{padding-left:20px;margin-bottom:14px}
.seo-section li{font-size:.88rem;color:var(--text-secondary);line-height:1.7;margin-bottom:6px}
.seo-section li strong{color:var(--text)}

/* FAQ */
.faq details{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px;padding:14px 16px}
.faq summary{font-size:.88rem;font-weight:600;color:var(--text);cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:'＋';margin-right:10px;color:var(--primary);font-weight:700}
.faq details[open] summary::before{content:'−'}
.faq details p{margin-top:10px;font-size:.85rem;color:var(--text-secondary);line-height:1.7}

/* Related Tools */
.related-tools{margin-top:32px}
.related-tools h3{font-size:1rem;font-weight:700;margin-bottom:16px}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.tools-grid a{display:flex;flex-direction:column;align-items:center;padding:18px 12px;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-sm);text-align:center;text-decoration:none;color:var(--text);transition:all .2s;gap:8px;font-size:.82rem;font-weight:500}
.tools-grid a:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--primary)}
.tools-grid a span{font-size:1.5rem}

/* Footer */
.footer{text-align:center;padding:20px;color:var(--text-muted);font-size:.75rem;border-top:1px solid var(--border);background:var(--card)}
.footer a{color:var(--text-muted);text-decoration:none;transition:color .2s}
.footer a:hover{color:var(--primary)}

/* Toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--text);color:#fff;padding:12px 24px;border-radius:100px;font-size:.85rem;font-weight:600;opacity:0;transition:all .3s;z-index:999;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* Responsive */
@media(max-width:768px){
.qr-header nav{display:none}
.container{padding:20px 16px}
.tool-card{padding:20px}
.form-row{grid-template-columns:1fr}
.hero h1{font-size:1.4rem}
}

/* Dark mode inputs */
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea{background:var(--bg);color:var(--text);border-color:var(--border)}
[data-theme="dark"] .qr-output{background:var(--card)}