:root{--color-primary: #3b82f6;--color-primary-dark: #2563eb;--color-primary-light: #dbeafe;--color-secondary: #0f172a;--color-background: #f8fafc;--color-surface: #ffffff;--color-text: #1e293b;--color-text-muted: #64748b;--color-border: #e2e8f0;--color-error: #ef4444;--color-error-bg: #fee2e2;--color-success: #22c55e;--color-success-bg: #dcfce7;--color-warning: #f59e0b;--color-warning-bg: #fef9c3;--color-info: #06b6d4;--color-info-bg: #cffafe;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--transition-fast: .15s ease;--transition-normal: .25s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);background-color:var(--color-background);color:var(--color-text);line-height:1.6;min-height:100vh}#root{display:flex;flex-direction:column;min-height:100vh}.app-layout{display:flex;flex:1}.app-content{flex:1;padding:1.5rem;overflow-y:auto}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4,h5,h6{color:var(--color-text);font-weight:600;line-height:1.3;margin-bottom:.5rem}h1{font-size:1.8rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.1rem}button{font-family:inherit;cursor:pointer;transition:background-color var(--transition-fast),box-shadow var(--transition-fast)}button:disabled{opacity:.6;cursor:not-allowed}input[type=file].hidden-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.text-center{text-align:center}.text-muted{color:var(--color-text-muted)}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}@keyframes vspot-spin{to{transform:rotate(360deg)}}@keyframes vspot-fade-in{0%{opacity:0}to{opacity:1}}