@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";
:root{--bg-primary:#0a0a12;--bg-secondary:#12121f;--bg-elevated:#1a1a2e;--bg-card:#1a1a2e99;--bg-glass:#1a1a2e73;--accent-primary:#7c3aed;--accent-secondary:#6d28d9;--accent-light:#a78bfa;--accent-glow:#7c3aed40;--accent-gradient:linear-gradient(135deg, #7c3aed 0%, #4f46e5 50%, #6d28d9 100%);--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--text-accent:#a78bfa;--border-subtle:#94a3b81a;--border-medium:#94a3b82e;--border-accent:#7c3aed59;--status-green:#22c55e;--status-yellow:#eab308;--status-red:#ef4444;--status-green-bg:#22c55e1a;--status-yellow-bg:#eab3081a;--status-red-bg:#ef44441a;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 32px #00000080;--shadow-glow:0 0 40px #7c3aed26;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:20px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-base:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.4s cubic-bezier(.4, 0, .2, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(80% 60% at 50% -20%,#7c3aed1f 0%,#0000 60%),radial-gradient(60% 40% at 80% 80%,#4f46e514 0%,#0000 50%);width:100%;height:100%;position:fixed;top:0;left:0}.app-wrapper{z-index:1;max-width:1200px;padding:var(--space-lg) var(--space-md);flex-direction:column;min-height:100vh;margin:0 auto;display:flex;position:relative}.app-header{text-align:center;padding:var(--space-2xl) 0 var(--space-xl)}.app-logo{letter-spacing:-.03em;background:var(--accent-gradient);-webkit-text-fill-color:transparent;margin-bottom:var(--space-sm);-webkit-background-clip:text;background-clip:text;font-size:2.5rem;font-weight:800}.app-tagline{color:var(--text-secondary);font-size:1.05rem;font-weight:400}.main-content{flex:1}.tab-bar{gap:var(--space-xs);background:var(--bg-secondary);padding:var(--space-xs);border-radius:var(--radius-lg);border:1px solid var(--border-subtle);margin-bottom:var(--space-xl);max-width:380px;margin-left:auto;margin-right:auto;display:flex}.tab-button{padding:var(--space-sm) var(--space-md);color:var(--text-muted);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);background:0 0;border:none;flex:1;font-family:inherit;font-size:.9rem;font-weight:600;position:relative}.tab-button:hover{color:var(--text-secondary)}.tab-button.active{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-md), 0 0 20px #7c3aed33}.glass-card{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-md);transition:border-color var(--transition-base), box-shadow var(--transition-base)}.glass-card:hover{border-color:var(--border-medium)}.glass-card-title{text-transform:uppercase;letter-spacing:.08em;color:var(--text-accent);margin-bottom:var(--space-md);align-items:center;gap:var(--space-sm);font-size:.8rem;font-weight:600;display:flex}.glass-card-title .icon{font-size:1rem}.form-grid{gap:var(--space-md);display:grid}.form-group{gap:var(--space-xs);flex-direction:column;display:flex}.form-group.row-2{gap:var(--space-md);grid-template-columns:1fr 1fr;display:grid}.form-label{color:var(--text-secondary);justify-content:space-between;align-items:center;font-size:.82rem;font-weight:600;display:flex}.form-label .optional{color:var(--text-muted);font-size:.75rem;font-weight:400}.form-input,.form-textarea{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:var(--space-sm) var(--space-md);color:var(--text-primary);transition:all var(--transition-fast);outline:none;width:100%;font-family:inherit;font-size:.92rem}.form-input:focus,.form-textarea:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted)}.form-textarea{resize:vertical;min-height:80px}.form-hint{color:var(--text-muted);font-size:.75rem}.char-counter{font-variant-numeric:tabular-nums;transition:all var(--transition-fast);border-radius:999px;align-items:center;gap:4px;padding:2px 8px;font-size:.75rem;font-weight:600;display:inline-flex}.char-counter.green{color:var(--status-green);background:var(--status-green-bg)}.char-counter.yellow{color:var(--status-yellow);background:var(--status-yellow-bg)}.char-counter.red{color:var(--status-red);background:var(--status-red-bg)}.content-grid{gap:var(--space-lg);grid-template-columns:1fr 1fr;align-items:start;display:grid}.preview-stack{gap:var(--space-md);flex-direction:column;display:flex}.serp-preview{border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);background:#fff;font-family:Arial,sans-serif}.serp-breadcrumb{align-items:center;gap:8px;margin-bottom:4px;display:flex}.serp-favicon{background:#f1f3f4;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-size:14px;display:flex}.serp-url-stack{flex-direction:column;min-width:0;display:flex}.serp-site-name{color:#202124;font-size:14px;line-height:1.3}.serp-url{color:#4d5156;white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.serp-title{color:#1a0dab;cursor:pointer;-webkit-line-clamp:1;word-break:break-all;-webkit-box-orient:vertical;margin-bottom:4px;font-size:20px;line-height:1.3;display:-webkit-box;overflow:hidden}.serp-title:hover{text-decoration:underline}.serp-description{color:#4d5156;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:14px;line-height:1.58;display:-webkit-box;overflow:hidden}.social-card{border-radius:var(--radius-md);border:1px solid var(--border-medium);transition:transform var(--transition-base), box-shadow var(--transition-base);overflow:hidden}.social-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.social-card-image{background:var(--bg-elevated);width:100%;height:160px;color:var(--text-muted);justify-content:center;align-items:center;font-size:.85rem;display:flex;position:relative;overflow:hidden}.social-card-image img{object-fit:cover;width:100%;height:100%}.social-card-image .placeholder-icon{opacity:.5;font-size:2rem}.social-card-body{padding:var(--space-sm) var(--space-md);background:var(--bg-elevated)}.social-card-body.twitter{background:#000}.social-card-domain{color:var(--text-muted);text-transform:uppercase;letter-spacing:.02em;margin-bottom:2px;font-size:.75rem}.social-card-body.twitter .social-card-domain{color:#71767b;text-transform:none}.social-card-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.92rem;font-weight:600;line-height:1.3;overflow:hidden}.social-card-body.twitter .social-card-title{color:#e7e9ea}.social-card-description{color:var(--text-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:2px;font-size:.82rem;line-height:1.4;display:-webkit-box;overflow:hidden}.social-card-body.twitter .social-card-description{color:#71767b}.social-card-body.facebook{background:#242526;border-top:none}.social-card-body.facebook .social-card-domain{color:#b0b3b8;text-transform:uppercase;font-size:.72rem}.social-card-body.facebook .social-card-title{color:#e4e6eb}.social-card-body.facebook .social-card-description{color:#b0b3b8}.code-output-wrapper{position:relative}.code-block{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:var(--space-md);color:var(--text-secondary);tab-size:2;font-family:SF Mono,Fira Code,Cascadia Code,Consolas,monospace;font-size:.82rem;line-height:1.7;overflow-x:auto}.code-block .tag{color:#f472b6}.code-block .attr{color:#a78bfa}.code-block .value{color:#34d399}.copy-button{top:var(--space-sm);right:var(--space-sm);background:var(--bg-elevated);border:1px solid var(--border-medium);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:4px;padding:6px 14px;font-family:inherit;font-size:.78rem;font-weight:500;display:flex;position:absolute}.copy-button:hover{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.copy-button.copied{background:var(--status-green);color:#fff;border-color:var(--status-green)}.audit-input-row{gap:var(--space-sm);display:flex}.audit-input-row .form-input{flex:1}.audit-button{padding:var(--space-sm) var(--space-lg);background:var(--accent-gradient);border-radius:var(--radius-md);color:#fff;cursor:pointer;transition:all var(--transition-base);white-space:nowrap;align-items:center;gap:var(--space-sm);border:none;font-family:inherit;font-size:.9rem;font-weight:600;display:flex}.audit-button:hover{box-shadow:var(--shadow-md), 0 0 30px #7c3aed40;transform:translateY(-1px)}.audit-button:disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.audit-results{margin-top:var(--space-lg);gap:var(--space-md);flex-direction:column;display:flex}.audit-meta-table{border-collapse:collapse;width:100%}.audit-meta-table th,.audit-meta-table td{text-align:left;padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--border-subtle);font-size:.85rem}.audit-meta-table th{color:var(--text-accent);white-space:nowrap;width:160px;font-weight:600}.audit-meta-table td{color:var(--text-secondary);word-break:break-all}.audit-meta-table td.empty{color:var(--text-muted);font-style:italic}.issues-list{gap:var(--space-sm);flex-direction:column;list-style:none;display:flex}.issue-item{align-items:flex-start;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--status-red-bg);border-radius:var(--radius-sm);border-left:3px solid var(--status-red);color:var(--text-primary);font-size:.85rem;display:flex}.issue-item.warning{background:var(--status-yellow-bg);border-left-color:var(--status-yellow)}.issue-icon{flex-shrink:0;margin-top:1px}.fix-button{padding:var(--space-sm) var(--space-xl);background:var(--status-green);border-radius:var(--radius-md);color:#fff;cursor:pointer;transition:all var(--transition-base);align-items:center;gap:var(--space-sm);margin-top:var(--space-sm);border:none;font-family:inherit;font-size:.9rem;font-weight:600;display:flex}.fix-button:hover{transform:translateY(-1px);box-shadow:0 4px 16px #22c55e4d}.audit-error{padding:var(--space-md) var(--space-lg);background:var(--status-red-bg);border-radius:var(--radius-md);color:var(--status-red);align-items:flex-start;gap:var(--space-sm);margin-top:var(--space-md);border:1px solid #ef444433;font-size:.9rem;display:flex}.audit-error .error-icon{flex-shrink:0;font-size:1.2rem}.app-footer{margin-top:var(--space-3xl);padding:var(--space-lg) 0;border-top:1px solid var(--border-subtle);text-align:center;align-items:center;gap:var(--space-md);flex-direction:column;display:flex}.footer-credit{color:var(--text-muted);font-size:.85rem}.footer-button{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);background:var(--accent-gradient);border-radius:var(--radius-md);color:#fff;cursor:pointer;transition:all var(--transition-base);border:none;font-family:inherit;font-size:.88rem;font-weight:600;text-decoration:none;display:inline-flex}.footer-button:hover{box-shadow:var(--shadow-md), 0 0 30px #7c3aed40;transform:translateY(-1px)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.animate-in{animation:fadeIn .4s var(--transition-base) both}.preview-label{text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:var(--space-xs);font-size:.72rem;font-weight:600}@media (max-width:900px){.content-grid,.form-group.row-2{grid-template-columns:1fr}.app-logo{font-size:2rem}}@media (max-width:600px){.app-wrapper{padding:var(--space-md) var(--space-sm)}.tab-bar{max-width:100%}.audit-input-row{flex-direction:column}.glass-card{padding:var(--space-md)}.serp-preview{padding:var(--space-sm) var(--space-md)}}