:root{--color-bg: #0f0f14;--color-bg-secondary: #16161d;--color-bg-card: #1c1c26;--color-bg-elevated: #222230;--color-primary: #625df5;--color-primary-light: #7c78ff;--color-primary-dark: #4f4ad4;--color-danger: #ef4444;--color-danger-light: #f87171;--color-success: #10b981;--color-warning: #f59e0b;--color-text: #ffffff;--color-text-secondary: #a1a1aa;--color-text-muted: #71717a;--color-border: rgba(255, 255, 255, .08);--color-border-light: rgba(255, 255, 255, .15);--gradient-primary: linear-gradient(135deg, #625df5 0%, #8b5cf6 100%);--gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);--gradient-glow: radial-gradient(ellipse at center, rgba(98, 93, 245, .2) 0%, transparent 70%);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 20px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .5);--shadow-glow: 0 0 60px rgba(98, 93, 245, .3);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);background:var(--color-bg);color:var(--color-text);min-height:100vh;line-height:1.5}#app{min-height:100vh;display:flex;flex-direction:column}.header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-xl);background:#0f0f14cc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--color-border);position:fixed;top:0;left:0;right:0;z-index:100}.logo{display:flex;align-items:center;gap:var(--space-sm);font-size:1.25rem;font-weight:700;color:var(--color-text);text-decoration:none}.logo-icon{width:36px;height:36px;background:var(--gradient-primary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.25rem}.header-actions{display:flex;align-items:center;gap:var(--space-md)}.main{flex:1;display:flex;align-items:center;justify-content:center;padding:calc(80px + var(--space-xl)) var(--space-xl) var(--space-xl)}.recorder-container{width:100%;max-width:1200px;display:grid;grid-template-columns:1fr 360px;gap:var(--space-xl)}.preview-area{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);overflow:hidden;position:relative;aspect-ratio:16/9}.preview-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-lg);background:var(--gradient-glow)}.preview-icon{font-size:4rem;opacity:.5}.preview-text{font-size:1.125rem;color:var(--color-text-secondary);text-align:center}.preview-video{width:100%;height:100%;object-fit:contain;background:#000;display:none}.preview-video.active{display:block}.webcam-bubble{position:absolute;bottom:var(--space-lg);right:var(--space-lg);width:180px;height:180px;border-radius:50%;overflow:hidden;border:4px solid var(--color-primary);box-shadow:var(--shadow-lg);display:none;z-index:10;cursor:move}.webcam-bubble.active{display:block}.webcam-bubble video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.recording-indicator{position:absolute;top:var(--space-lg);left:var(--space-lg);display:none;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:#ef4444e6;border-radius:var(--radius-full);font-size:.875rem;font-weight:600;z-index:10}.recording-indicator.active{display:flex}.recording-dot{width:10px;height:10px;background:#fff;border-radius:50%;animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.timer{font-variant-numeric:tabular-nums}.control-panel{display:flex;flex-direction:column;gap:var(--space-lg)}.panel-section{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg)}.panel-title{font-size:.75rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--space-md)}.source-options{display:flex;flex-direction:column;gap:var(--space-sm)}.source-option{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--color-bg-elevated);border:2px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.source-option:hover{border-color:var(--color-border-light)}.source-option.active{border-color:var(--color-primary);background:#625df51a}.source-option input{display:none}.source-icon{font-size:1.5rem}.source-info{flex:1}.source-name{font-weight:600;font-size:.9375rem}.source-desc{font-size:.75rem;color:var(--color-text-muted)}.source-check{width:20px;height:20px;border:2px solid var(--color-border-light);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;transition:all var(--transition-fast)}.source-option.active .source-check{background:var(--color-primary);border-color:var(--color-primary)}.toggle-options{display:flex;flex-direction:column;gap:var(--space-md)}.toggle-option{display:flex;align-items:center;justify-content:space-between}.toggle-label{display:flex;align-items:center;gap:var(--space-sm);font-size:.9375rem}.toggle-icon{font-size:1.25rem}.toggle-switch{position:relative;width:48px;height:26px;background:var(--color-bg-elevated);border-radius:var(--radius-full);cursor:pointer;transition:background var(--transition-fast)}.toggle-switch.active{background:var(--color-primary)}.toggle-switch:after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform var(--transition-fast)}.toggle-switch.active:after{transform:translate(22px)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);font-family:var(--font-family);font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base)}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 80px #625df566}.btn-danger{background:var(--gradient-danger);color:#fff}.btn-danger:hover{transform:translateY(-2px)}.btn-secondary{background:var(--color-bg-elevated);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg-card);border-color:var(--color-border-light)}.btn-lg{padding:var(--space-lg) var(--space-2xl);font-size:1.125rem;border-radius:var(--radius-xl)}.btn-full{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.action-buttons{display:flex;flex-direction:column;gap:var(--space-md)}.recordings-section{margin-top:var(--space-lg)}.recordings-list{display:flex;flex-direction:column;gap:var(--space-sm);max-height:200px;overflow-y:auto}.recording-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--color-bg-elevated);border-radius:var(--radius-md)}.recording-thumbnail{width:60px;height:40px;background:var(--color-bg);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.25rem}.recording-info{flex:1;min-width:0}.recording-name{font-weight:500;font-size:.875rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.recording-meta{font-size:.75rem;color:var(--color-text-muted)}.recording-actions{display:flex;gap:var(--space-xs)}.btn-icon{width:32px;height:32px;padding:0;border-radius:var(--radius-sm);font-size:1rem}.countdown-overlay{position:fixed;inset:0;background:#000c;display:none;align-items:center;justify-content:center;z-index:1000}.countdown-overlay.active{display:flex}.countdown-number{font-size:10rem;font-weight:800;color:var(--color-primary);text-shadow:var(--shadow-glow);animation:countdown 1s ease-in-out}@keyframes countdown{0%{transform:scale(.5);opacity:0}50%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}.empty-state{text-align:center;padding:var(--space-xl);color:var(--color-text-muted)}.empty-state-icon{font-size:2rem;margin-bottom:var(--space-sm)}@media(max-width:1024px){.recorder-container{grid-template-columns:1fr;max-width:800px}.control-panel{display:grid;grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.header{padding:var(--space-md)}.main{padding:calc(70px + var(--space-md)) var(--space-md) var(--space-md)}.control-panel{grid-template-columns:1fr}.preview-area{aspect-ratio:4/3}.webcam-bubble{width:100px;height:100px;bottom:var(--space-md);right:var(--space-md)}}