:root{--background-color: #0a0a0a;--surface-color: #1a1a1a;--surface-light: #252525;--primary-color: #6366f1;--primary-light: #818cf8;--primary-variant-color: #4338ca;--secondary-color: #ec4899;--secondary-light: #f472b6;--accent-color: #10b981;--text-color: #f8fafc;--text-secondary-color: #94a3b8;--text-muted: #64748b;--border-color: #334155;--border-light: #475569;--border-radius: 12px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--transition-fast: .15s ease-out;--transition-normal: .25s ease-out;--transition-slow: .4s ease-out}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:linear-gradient(135deg,var(--background-color) 0%,#1a1a2e 100%);background-attachment:fixed;color:var(--text-color);line-height:1.6;padding:1.5rem;min-height:100vh;position:relative;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 80%,rgba(120,119,198,.1) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(255,119,198,.1) 0%,transparent 50%),radial-gradient(circle at 40% 40%,rgba(120,219,226,.05) 0%,transparent 50%);z-index:-1;pointer-events:none}.container{max-width:1400px;margin:0 auto;position:relative;z-index:1}header{text-align:center;margin-bottom:3rem;padding:2rem 0}header h1{font-weight:800;font-size:clamp(2.5rem,5vw,4rem);background:linear-gradient(135deg,var(--primary-color),var(--secondary-color),var(--accent-color));background-size:200% 200%;animation:gradientShift 4s ease-in-out infinite;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:1rem;text-shadow:0 0 30px rgba(99,102,241,.3)}@keyframes gradientShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}header p{font-size:1.25rem;color:var(--text-secondary-color);max-width:600px;margin:0 auto;font-weight:400}.editor-layout{display:grid;grid-template-columns:2fr 1fr;gap:2.5rem;align-items:flex-start}.video-player-section{display:flex;flex-direction:column;gap:2rem}.video-wrapper{position:relative;width:100%;aspect-ratio:16 / 9;background:linear-gradient(135deg,#1a1a1a,#2d2d2d);border-radius:var(--border-radius);overflow:hidden;display:flex;align-items:center;justify-content:center;border:2px solid var(--border-color);box-shadow:var(--shadow-xl);transition:var(--transition-normal);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.video-wrapper:hover{border-color:var(--primary-color);box-shadow:0 0 40px #6366f133,var(--shadow-xl);transform:translateY(-2px)}#video-preview{width:100%;height:100%;display:none}.upload-prompt-container{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.5rem;color:var(--text-secondary-color);text-align:center;padding:3rem 2rem;height:100%;min-height:300px;position:relative}.upload-prompt-container svg{color:var(--primary-color);filter:drop-shadow(0 0 20px rgba(99,102,241,.3));animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.upload-prompt-container:before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:200px;height:200px;background:radial-gradient(circle,rgba(99,102,241,.1) 0%,transparent 70%);border-radius:50%;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.3;transform:translate(-50%,-50%) scale(1)}50%{opacity:.1;transform:translate(-50%,-50%) scale(1.1)}}.title-suggestion{background:linear-gradient(135deg,var(--surface-color) 0%,var(--surface-light) 100%);padding:2rem;border-radius:var(--border-radius);border:1px solid var(--border-color);min-height:120px;box-shadow:var(--shadow-md);transition:var(--transition-normal);position:relative;overflow:hidden}.title-suggestion:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--primary-color),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{left:-100%}to{left:100%}}.title-suggestion:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--primary-color)}.title-suggestion h3{margin-bottom:.5rem;font-size:1.2rem;font-weight:500}#suggested-title{color:var(--text-color);font-style:italic}.controls-section{background:linear-gradient(135deg,var(--surface-color) 0%,var(--surface-light) 100%);padding:2rem;border-radius:var(--border-radius);border:1px solid var(--border-color);display:flex;flex-direction:column;gap:2.5rem;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.controls-section:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--primary-color),var(--secondary-color),transparent)}.control-group{position:relative}.control-group h2,.control-group h3{margin-bottom:1rem;border-bottom:2px solid var(--border-color);padding-bottom:.75rem;font-weight:600;font-size:1.1rem;color:var(--text-color);position:relative}.control-group h2:after,.control-group h3:after{content:"";position:absolute;bottom:-2px;left:0;width:40px;height:2px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));border-radius:1px}.control-group .description{font-size:.9rem;color:var(--text-secondary-color);margin-bottom:1rem}.trim-inputs{display:grid;grid-template-columns:auto 1fr;gap:.5rem 1rem;align-items:center;margin-bottom:1rem}.trim-inputs label{font-weight:400;color:var(--text-secondary-color)}input[type=number]{width:100%;padding:.75rem 1rem;border-radius:8px;border:2px solid var(--border-color);background:linear-gradient(135deg,var(--background-color) 0%,var(--surface-color) 100%);color:var(--text-color);font-size:1rem;font-family:var(--font-family);transition:var(--transition-normal);outline:none}input[type=number]:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a;transform:translateY(-1px)}input[type=number]:disabled{background:linear-gradient(135deg,#2a2a2a,#333);cursor:not-allowed;opacity:.6}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.75rem;padding:1rem 2rem;border:none;border-radius:var(--border-radius);cursor:pointer;font-size:1rem;font-weight:600;font-family:var(--font-family);text-align:center;transition:var(--transition-normal);background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-light) 100%);color:#fff;width:100%;position:relative;overflow:hidden;box-shadow:var(--shadow-md);text-transform:uppercase;letter-spacing:.5px}.btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:var(--transition-fast)}.btn:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-variant-color) 0%,var(--primary-color) 100%);transform:translateY(-3px);box-shadow:var(--shadow-xl),0 0 30px #6366f166}.btn:hover:not(:disabled):before{left:100%}.btn:active:not(:disabled){transform:translateY(-1px)}.btn:disabled{background:linear-gradient(135deg,#444,#555);color:#888;cursor:not-allowed;box-shadow:none;transform:none}.btn-ai{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 50%,var(--accent-color) 100%);background-size:200% 200%;animation:gradientFlow 3s ease infinite;font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.3)}@keyframes gradientFlow{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.btn-ai:hover:not(:disabled){animation-duration:1s;box-shadow:var(--shadow-xl),0 0 40px #6366f180}.effects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:.75rem}.effect-btn{padding:.875rem .75rem;border:2px solid var(--border-color);background:linear-gradient(135deg,var(--surface-color) 0%,var(--background-color) 100%);color:var(--text-secondary-color);border-radius:10px;cursor:pointer;transition:var(--transition-normal);font-size:.9rem;font-weight:500;text-align:center;position:relative;overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.effect-btn:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));opacity:0;transition:var(--transition-normal)}.effect-btn:after{content:"";position:relative;z-index:1}.effect-btn.active{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);color:#fff;border-color:var(--primary-light);box-shadow:var(--shadow-md),0 0 20px #6366f14d;transform:translateY(-2px)}.effect-btn:hover:not(.active){border-color:var(--primary-color);color:var(--text-color);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.hidden{display:none!important}#video-preview.grayscale{filter:grayscale(100%)}#video-preview.sepia{filter:sepia(100%)}#video-preview.invert{filter:invert(100%)}#video-preview.contrast{filter:contrast(200%)}#video-preview.brightness{filter:brightness(150%)}.loader{border:4px solid rgba(255,255,255,.1);border-top:4px solid var(--primary-color);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:.5rem auto 0;position:relative}.loader:after{content:"";position:absolute;top:2px;left:2px;right:2px;bottom:2px;border-radius:50%;border:2px solid transparent;border-top:2px solid var(--secondary-color);animation:spin 1.5s linear infinite reverse}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.overlay-container{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.overlay-content{background:linear-gradient(135deg,var(--surface-color) 0%,var(--surface-light) 100%);padding:3rem;border-radius:var(--border-radius);text-align:center;box-shadow:var(--shadow-xl);border:1px solid var(--border-color);position:relative;overflow:hidden;max-width:400px;width:90%}.overlay-content:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--primary-color),transparent);animation:shimmer 2s infinite}.overlay-content .loader{width:60px;height:60px;margin:0 auto 1.5rem}.overlay-content h3{margin-bottom:1rem;color:var(--text-color);font-size:1.25rem}.overlay-content p{color:var(--text-secondary-color);font-size:1rem}footer{text-align:center;margin-top:3rem;padding-top:2rem;color:var(--text-muted);font-size:.9rem;border-top:1px solid var(--border-color);position:relative}footer:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:100px;height:1px;background:linear-gradient(90deg,transparent,var(--primary-color),transparent)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--background-color)}::-webkit-scrollbar-thumb{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border-radius:4px}::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,var(--primary-light),var(--secondary-light))}::selection{background:#6366f14d;color:var(--text-color)}::-moz-selection{background:#6366f14d;color:var(--text-color)}*:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}@media (max-width: 900px){.editor-layout{grid-template-columns:1fr;gap:2rem}.controls-section{padding:1.5rem}.effects-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}}@media (max-width: 480px){header h1{font-size:2rem}body{padding:1rem}.video-wrapper{aspect-ratio:4 / 3}.controls-section{padding:1rem;gap:1.5rem}.btn{padding:.875rem 1.5rem}.effects-grid{grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:.5rem}.effect-btn{padding:.75rem .5rem;font-size:.8rem}.overlay-content{padding:2rem;margin:1rem}}@media (prefers-contrast: high){:root{--border-color: #666;--text-secondary-color: #ccc}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}