:root{--hue-primary: 210;--sat-primary: 100%;--lig-primary: 50%;--color-primary: hsl(var(--hue-primary), var(--sat-primary), var(--lig-primary));--color-primary-hover: hsl(var(--hue-primary), var(--sat-primary), 40%);--color-primary-light: hsl(var(--hue-primary), var(--sat-primary), 95%);--color-secondary: #64748b;--color-accent: #f59e0b;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--color-info: #3b82f6;--bg-app: #f8fafc;--bg-card: #ffffff;--bg-sidebar: #ffffff;--text-main: #0f172a;--text-secondary: #64748b;--text-inverted: #ffffff;--border-color: #e2e8f0;--border-radius-sm: 4px;--border-radius-md: 8px;--border-radius-lg: 12px;--border-radius-xl: 16px;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-6: 1.5rem;--space-8: 2rem;--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-glass: 0 8px 32px 0 rgba(31, 38, 135, .15);--transition-fast: .15s ease;--transition-normal: .3s ease}body.theme-dark{--bg-app: #242424;--bg-card: #1a1a1a;--bg-sidebar: #1a1a1a;--text-main: rgba(255, 255, 255, .87);--text-secondary: rgba(255, 255, 255, .6);--border-color: #444;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3)}body.theme-dark-blue{--bg-app: #0f172a;--bg-card: #1e293b;--bg-sidebar: #1e293b;--text-main: #e2e8f0;--text-secondary: #94a3b8;--border-color: rgba(255, 255, 255, .1);--color-primary: #38bdf8;--color-primary-hover: #0ea5e9;--color-primary-light: rgba(56, 189, 248, .1);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-app);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;background:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-4)}.card{background:var(--bg-card);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-sm);padding:var(--space-6);border:1px solid var(--border-color)}.glass-panel{background:#ffffffb3;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.18);box-shadow:var(--shadow-glass)}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.text-primary{color:var(--color-primary)}.text-secondary{color:var(--text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:var(--border-radius-md);font-weight:500;transition:all var(--transition-fast);gap:.5rem}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover);transform:translateY(-1px)}.btn-secondary{background-color:#fff;border:1px solid var(--border-color);color:var(--text-main)}.btn-secondary:hover{background-color:var(--bg-app)}.btn-danger{background-color:var(--color-danger);color:#fff}.sidebar-item{display:flex;align-items:center;justify-content:flex-start;width:100%;padding:.75rem 1rem;gap:.75rem;border-radius:var(--border-radius-md);color:var(--text-secondary);font-weight:500;transition:all var(--transition-fast)}.sidebar-item:hover{background-color:var(--bg-app);color:var(--text-main)}.sidebar-item.active{background-color:hsl(var(--hue-primary),var(--sat-primary),95%);color:var(--color-primary)}.theme-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:.75rem;margin-top:1rem}.theme-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;padding:.75rem;border:2px solid var(--border-color);background:var(--bg-card);border-radius:var(--border-radius-md);cursor:pointer;transition:all var(--transition-fast);color:var(--text-main);width:100%}.theme-button:hover{border-color:var(--color-primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.theme-button.active{border-color:var(--color-primary);background-color:var(--color-primary-light);color:var(--color-primary);font-weight:600}.theme-preview{width:100%;height:40px;border-radius:var(--border-radius-sm);border:1px solid var(--border-color);position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}.preview-light{background:#fff}.preview-light:after{content:"";position:absolute;top:0;left:0;width:30%;height:100%;background:#f8fafc;border-right:1px solid #e2e8f0}.preview-dark{background:#242424}.preview-dark:after{content:"";position:absolute;top:0;left:0;width:30%;height:100%;background:#1a1a1a;border-right:1px solid #444}.preview-dark-blue{background:#0f172a}.preview-dark-blue:after{content:"";position:absolute;top:0;left:0;width:30%;height:100%;background:#1e293b;border-right:1px solid #1e293b}.theme-label{font-size:.9rem}.check-icon{display:none;margin-top:.25rem}.theme-button.active .check-icon{display:block}