:root{--bg-primary:#090d16;--bg-secondary:#111827;--bg-tertiary:#1a2234;--bg-card:rgba(26,34,52,0.75);--border-color:rgba(255,255,255,0.08);--border-hover:rgba(99,102,241,0.4);--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#6366f1;--accent-hover:#4f46e5;--accent-gradient:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#ec4899 100%);--accent-glow:rgba(99,102,241,0.25);--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--radius-sm:6px;--radius-md:12px;--radius-lg:18px;--radius-xl:24px;--shadow-sm:0 2px 8px rgba(0,0,0,0.2);--shadow-md:0 8px 24px rgba(0,0,0,0.3);--shadow-lg:0 16px 40px rgba(0,0,0,0.4);--transition:all 0.25s cubic-bezier(0.16,1,0.3,1);--font-sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;--font-heading:'Outfit',sans-serif;--container:1280px}[data-theme="light"]{--bg-primary:#f8fafc;--bg-secondary:#ffffff;--bg-tertiary:#f1f5f9;--bg-card:rgba(255,255,255,0.85);--border-color:rgba(0,0,0,0.08);--border-hover:rgba(99,102,241,0.4);--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--accent:#4f46e5;--accent-hover:#4338ca;--accent-glow:rgba(79,70,229,0.15);--shadow-sm:0 2px 8px rgba(0,0,0,0.04);--shadow-md:0 8px 24px rgba(0,0,0,0.06);--shadow-lg:0 16px 40px rgba(0,0,0,0.08)}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none;transition:var(--transition)}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}button{cursor:pointer;border:none;background:none}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:1000;background:rgba(9,13,22,0.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-color);transition:var(--transition)}[data-theme="light"] .site-header{background:rgba(255,255,255,0.88)}.header-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}.logo-brand{display:flex;align-items:center;gap:12px;font-family:var(--font-heading);font-weight:800;font-size:1.35rem;letter-spacing:-0.02em}.logo-icon{width:38px;height:38px;border-radius:10px;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 12px var(--accent-glow)}.logo-text{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-menu{display:flex;align-items:center;gap:8px;list-style:none}.nav-item{position:relative}.nav-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);font-weight:600;font-size:0.92rem;color:var(--text-secondary);transition:var(--transition)}.nav-btn:hover,.nav-item.active .nav-btn{color:var(--text-primary);background:var(--bg-tertiary)}.nav-arrow{width:14px;height:14px;transition:transform 0.2s ease}.nav-item:hover .nav-arrow{transform:rotate(180deg)}.nav-dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);min-width:540px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:18px;opacity:0;visibility:hidden;pointer-events:none;transition:all 0.2s ease;z-index:1001}.nav-item:hover .nav-dropdown{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}.dropdown-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.dropdown-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:0.875rem;font-weight:500;transition:var(--transition)}.dropdown-link:hover{background:var(--bg-tertiary);color:var(--accent);transform:translateX(3px)}.dropdown-icon{width:18px;height:18px;color:var(--accent);flex-shrink:0}.header-actions{display:flex;align-items:center;gap:12px}.theme-toggle{width:40px;height:40px;border-radius:10px;background:var(--bg-tertiary);border:1px solid var(--border-color);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:var(--transition)}.theme-toggle:hover{color:var(--text-primary);border-color:var(--accent);transform:scale(1.05)}.theme-toggle svg{width:18px;height:18px}.theme-sun{display:none}[data-theme="light"] .theme-sun{display:block}[data-theme="light"] .theme-moon{display:none}.mobile-toggle{display:none;width:40px;height:40px;border-radius:10px;background:var(--bg-tertiary);border:1px solid var(--border-color);align-items:center;justify-content:center;color:var(--text-primary)}.breadcrumb-section{padding:14px 0;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);font-size:0.84rem}.breadcrumb-list{display:flex;align-items:center;gap:8px;list-style:none;flex-wrap:wrap}.breadcrumb-item{display:flex;align-items:center;gap:8px;color:var(--text-muted)}.breadcrumb-item a{color:var(--text-secondary);font-weight:500}.breadcrumb-item a:hover{color:var(--accent)}.breadcrumb-sep{font-size:0.75rem;color:var(--text-muted)}.breadcrumb-current{color:var(--accent);font-weight:600}.hero-section{padding:54px 0 36px;text-align:center;position:relative;overflow:hidden}.hero-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:700px;height:350px;background:radial-gradient(circle,rgba(99,102,241,0.18) 0%,rgba(236,72,153,0.08) 50%,transparent 70%);filter:blur(60px);pointer-events:none;z-index:0}.hero-content{position:relative;z-index:1;max-width:840px;margin:0 auto}.badge-pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(99,102,241,0.1);border:1px solid rgba(99,102,241,0.25);color:var(--accent);font-size:0.82rem;font-weight:600;margin-bottom:20px;text-transform:uppercase;letter-spacing:0.04em}.hero-title{font-family:var(--font-heading);font-size:clamp(2.1rem,4.5vw,3.4rem);font-weight:800;line-height:1.15;letter-spacing:-0.03em;margin-bottom:18px}.hero-desc{font-size:clamp(1rem,2vw,1.18rem);color:var(--text-secondary);max-width:680px;margin:0 auto 28px;line-height:1.6}.tool-wrapper{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:var(--shadow-lg);padding:28px;margin-bottom:48px}.tool-layout{display:grid;grid-template-columns:360px 1fr;gap:28px}.controls-pane{display:flex;flex-direction:column;gap:20px;background:var(--bg-secondary);padding:22px;border-radius:var(--radius-lg);border:1px solid var(--border-color)}.pane-title{font-family:var(--font-heading);font-size:1.1rem;font-weight:700;display:flex;align-items:center;gap:8px}.pane-title svg{width:20px;height:20px;color:var(--accent)}.upload-dropzone{border:2px dashed rgba(99,102,241,0.35);border-radius:var(--radius-md);padding:24px 16px;text-align:center;background:rgba(99,102,241,0.03);transition:var(--transition);cursor:pointer;position:relative}.upload-dropzone:hover,.upload-dropzone.drag-active{border-color:var(--accent);background:rgba(99,102,241,0.08);transform:scale(1.01)}.dropzone-icon{width:46px;height:46px;margin:0 auto 12px;color:var(--accent)}.dropzone-text{font-size:0.92rem;font-weight:600;margin-bottom:4px}.dropzone-sub{font-size:0.78rem;color:var(--text-muted)}.file-input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}.sample-presets{display:flex;flex-direction:column;gap:8px}.preset-label{font-size:0.82rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.04em}.preset-buttons{display:flex;gap:6px;flex-wrap:wrap}.preset-btn{font-size:0.78rem;font-weight:600;padding:5px 10px;border-radius:6px;background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-secondary);transition:var(--transition)}.preset-btn:hover,.preset-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.control-group{display:flex;flex-direction:column;gap:6px}.control-header{display:flex;align-items:center;justify-content:space-between;font-size:0.84rem;font-weight:600;color:var(--text-secondary)}.control-val{font-size:0.8rem;color:var(--accent);font-family:monospace}.form-select{width:100%;padding:10px 12px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:0.88rem;outline:none;transition:var(--transition)}.form-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.form-range{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:3px;background:var(--bg-tertiary);outline:none;transition:background 0.2s}.form-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid #fff;box-shadow:0 2px 6px rgba(0,0,0,0.3);transition:transform 0.15s ease}.form-range::-webkit-slider-thumb:hover{transform:scale(1.2)}.form-range::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid #fff}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:14px 24px;border-radius:var(--radius-md);background:var(--accent-gradient);color:#fff;font-weight:700;font-size:1rem;box-shadow:0 4px 16px var(--accent-glow);transition:var(--transition)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 24px var(--accent-glow)}.btn-primary:disabled{opacity:0.65;cursor:not-allowed;transform:none}.validation-box{display:none;padding:10px 12px;border-radius:var(--radius-sm);font-size:0.82rem;font-weight:500;align-items:center;gap:8px}.validation-box.error{display:flex;background:rgba(239,68,68,0.12);color:var(--danger);border:1px solid rgba(239,68,68,0.3)}.validation-box.success{display:flex;background:rgba(16,185,129,0.12);color:var(--success);border:1px solid rgba(16,185,129,0.3)}.preview-pane{display:flex;flex-direction:column;gap:18px}.canvas-container{position:relative;width:100%;min-height:420px;background:#05070c;border-radius:var(--radius-lg);border:1px solid var(--border-color);overflow:hidden;display:flex;align-items:center;justify-content:center;box-shadow:inset 0 0 40px rgba(0,0,0,0.6)}.preview-canvas{display:block;max-width:100%;max-height:520px;border-radius:var(--radius-md);object-fit:contain}.canvas-watermark{position:absolute;bottom:14px;right:16px;font-size:0.75rem;font-weight:600;color:rgba(255,255,255,0.4);letter-spacing:0.04em;pointer-events:none}.canvas-placeholder{display:flex;flex-direction:column;align-items:center;gap:14px;color:var(--text-muted);padding:40px;text-align:center}.placeholder-icon{width:64px;height:64px;opacity:0.4;color:var(--accent)}.timeline-bar{display:flex;align-items:center;gap:14px;background:var(--bg-secondary);padding:12px 18px;border-radius:var(--radius-md);border:1px solid var(--border-color)}.timeline-btn{width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;transition:var(--transition);flex-shrink:0}.timeline-btn:hover{transform:scale(1.08)}.timeline-track{flex:1;position:relative;display:flex;align-items:center}.timeline-slider{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:3px;background:var(--bg-tertiary);outline:none}.timeline-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid #fff}.timeline-time{font-family:monospace;font-size:0.82rem;font-weight:600;color:var(--text-secondary);min-width:70px;text-align:right}.fullscreen-btn{width:32px;height:32px;border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:var(--transition)}.fullscreen-btn:hover{color:var(--text-primary);background:var(--bg-tertiary)}.progress-wrap{display:none;width:100%;background:var(--bg-tertiary);border-radius:999px;height:8px;overflow:hidden;margin-top:8px}.progress-fill{height:100%;width:0%;background:var(--accent-gradient);transition:width 0.1s linear}.output-section{margin-top:36px;padding:28px;background:var(--bg-secondary);border-radius:var(--radius-xl);border:1px solid var(--border-color);display:none;scroll-margin-top:90px}.output-section.active{display:block;animation:fadeIn 0.4s ease}.output-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}.output-preview-card{background:var(--bg-tertiary);border-radius:var(--radius-lg);padding:16px;border:1px solid var(--border-color);display:flex;flex-direction:column;gap:12px;text-align:center}.output-media-wrap{width:100%;min-height:280px;max-height:420px;border-radius:var(--radius-md);overflow:hidden;background:#05070c;display:flex;align-items:center;justify-content:center}.output-media-wrap img,.output-media-wrap video{max-width:100%;max-height:420px;display:block;object-fit:contain}.output-actions{display:flex;flex-direction:column;gap:14px}.output-header{display:flex;align-items:center;justify-content:space-between}.output-title{font-family:var(--font-heading);font-size:1.3rem;font-weight:700}.status-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:0.75rem;font-weight:700;background:rgba(16,185,129,0.15);color:var(--success);border:1px solid rgba(16,185,129,0.3)}.btn-group{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:var(--radius-md);background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary);font-weight:600;font-size:0.9rem;transition:var(--transition)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}.btn-danger{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:var(--radius-md);background:rgba(239,68,68,0.1);border:1px solid rgba(239,68,68,0.25);color:var(--danger);font-weight:600;font-size:0.9rem;transition:var(--transition)}.btn-danger:hover{background:rgba(239,68,68,0.2);transform:translateY(-1px)}.specs-table{width:100%;border-collapse:collapse;font-size:0.84rem;margin-top:10px}.specs-table tr{border-bottom:1px solid var(--border-color)}.specs-table td{padding:8px 4px;color:var(--text-secondary)}.specs-table td:last-child{text-align:right;font-weight:600;color:var(--text-primary);font-family:monospace}.more-tools-section{padding:50px 0;background:var(--bg-secondary);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.section-title{font-family:var(--font-heading);font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;letter-spacing:-0.02em;text-align:center;margin-bottom:12px}.section-subtitle{font-size:0.98rem;color:var(--text-secondary);text-align:center;max-width:640px;margin:0 auto 36px}.more-tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}.tool-card-link{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);font-size:0.86rem;font-weight:500;transition:var(--transition)}.tool-card-link:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.tool-card-icon{width:28px;height:28px;border-radius:6px;background:rgba(99,102,241,0.1);color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0}.features-section{padding:70px 0;position:relative}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}.feature-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:28px;transition:var(--transition);position:relative;overflow:hidden}.feature-card:hover{border-color:var(--border-hover);transform:translateY(-4px);box-shadow:var(--shadow-md)}.feature-icon{width:52px;height:52px;border-radius:14px;background:var(--accent-gradient);color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 6px 16px var(--accent-glow)}.feature-title{font-family:var(--font-heading);font-size:1.2rem;font-weight:700;margin-bottom:10px}.feature-desc{font-size:0.9rem;color:var(--text-secondary);line-height:1.6}.how-it-works-section{padding:70px 0;background:var(--bg-secondary);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;position:relative}.step-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:26px;position:relative}.step-number{position:absolute;top:18px;right:20px;font-family:var(--font-heading);font-size:2rem;font-weight:800;color:rgba(99,102,241,0.18)}.step-title{font-family:var(--font-heading);font-size:1.1rem;font-weight:700;margin-bottom:10px}.step-desc{font-size:0.88rem;color:var(--text-secondary);line-height:1.55}.seo-content-section{padding:60px 0;background:var(--bg-primary)}.seo-content-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:36px;line-height:1.75;color:var(--text-secondary);font-size:0.96rem}.seo-content-card h2{font-family:var(--font-heading);color:var(--text-primary);font-size:1.6rem;font-weight:800;margin-bottom:16px}.seo-content-card p{margin-bottom:14px}.seo-content-card strong{color:var(--text-primary)}.faq-section{padding:70px 0}.faq-wrap{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}.faq-item{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;transition:var(--transition)}.faq-item:hover{border-color:var(--border-hover)}.faq-question{width:100%;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;text-align:left;font-family:var(--font-heading);font-size:1.02rem;font-weight:700;color:var(--text-primary);gap:16px}.faq-icon{width:20px;height:20px;color:var(--accent);transition:transform 0.25s ease;flex-shrink:0}.faq-item.open .faq-icon{transform:rotate(180deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.3s ease;padding:0 24px;color:var(--text-secondary);font-size:0.92rem;line-height:1.65}.faq-item.open .faq-answer{max-height:400px;padding-bottom:20px}.cta-section{padding:70px 0;background:radial-gradient(circle at center,rgba(99,102,241,0.15) 0%,var(--bg-secondary) 70%);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);text-align:center}.cta-content{max-width:700px;margin:0 auto}.cta-title{font-family:var(--font-heading);font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:800;margin-bottom:14px}.cta-desc{font-size:1rem;color:var(--text-secondary);margin-bottom:28px}.cta-buttons{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}.btn-cta-accent{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius-md);background:var(--accent-gradient);color:#fff;font-weight:700;font-size:0.98rem;box-shadow:0 4px 18px var(--accent-glow);transition:var(--transition)}.btn-cta-accent:hover{transform:translateY(-2px);box-shadow:0 8px 26px var(--accent-glow)}.btn-cta-outline{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius-md);background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary);font-weight:700;font-size:0.98rem;transition:var(--transition)}.btn-cta-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}.site-footer{padding:60px 0 24px;background:var(--bg-primary);border-top:1px solid var(--border-color);font-size:0.88rem}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:40px;margin-bottom:40px}.footer-brand{display:flex;flex-direction:column;gap:14px}.footer-desc{color:var(--text-muted);font-size:0.84rem;line-height:1.6}.footer-col{display:flex;flex-direction:column;gap:12px}.footer-heading{font-family:var(--font-heading);font-size:0.96rem;font-weight:700;color:var(--text-primary);margin-bottom:4px}.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px}.footer-links a{color:var(--text-secondary);font-size:0.84rem;transition:var(--transition)}.footer-links a:hover{color:var(--accent);transform:translateX(3px)}.footer-bottom{padding-top:28px;border-top:1px solid var(--border-color);display:flex;flex-direction:column;gap:14px;align-items:center;text-align:center}.footer-legal-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.footer-legal-links a{color:var(--text-muted);font-size:0.82rem}.footer-legal-links a:hover{color:var(--text-primary)}.footer-disclaimer{color:var(--text-muted);font-size:0.78rem;max-width:850px;line-height:1.5}.footer-copy{color:var(--text-secondary);font-weight:600;font-size:0.84rem}.cookie-banner{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);width:calc(100% - 40px);max-width:680px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:18px 24px;box-shadow:var(--shadow-lg);z-index:9999;display:none;align-items:center;justify-content:space-between;gap:20px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.cookie-banner.active{display:flex;animation:slideUp 0.3s ease}.cookie-text{font-size:0.84rem;color:var(--text-secondary);line-height:1.5}.cookie-text a{color:var(--accent);text-decoration:underline}.cookie-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.toast-notification{position:fixed;top:86px;right:24px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:12px 18px;box-shadow:var(--shadow-lg);z-index:10000;display:flex;align-items:center;gap:10px;font-size:0.86rem;font-weight:600;transform:translateX(120%);transition:transform 0.3s cubic-bezier(0.16,1,0.3,1)}.toast-notification.active{transform:translateX(0)}.toast-success{border-left:4px solid var(--success);color:var(--text-primary)}.toast-error{border-left:4px solid var(--danger);color:var(--text-primary)}@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{from{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%,0)}}@media (max-width:992px){.tool-layout{grid-template-columns:1fr}.output-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}}@media (max-width:768px){.nav-menu{display:none;position:absolute;top:72px;left:0;width:100%;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);flex-direction:column;padding:16px 20px;gap:12px;box-shadow:var(--shadow-lg)}.nav-menu.mobile-open{display:flex}.nav-dropdown{position:static;transform:none;min-width:100%;box-shadow:none;border:none;padding:10px 0;opacity:1;visibility:visible;pointer-events:auto;display:none}.nav-item.mobile-expanded .nav-dropdown{display:block}.dropdown-grid{grid-template-columns:1fr}.mobile-toggle{display:flex}.footer-grid{grid-template-columns:1fr;gap:24px}.cookie-banner{flex-direction:column;text-align:center}.cookie-actions{width:100%;justify-content:center}.btn-group{grid-template-columns:1fr}}