.error-boundary{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;background-color:var(--color-background);color:var(--color-text);text-align:center;padding:var(--spacing-xl)}.error-boundary__title{color:var(--color-danger);margin-bottom:var(--spacing-md);font-weight:600}.error-boundary__message{margin-bottom:var(--spacing-lg);color:var(--color-text-secondary)}.error-boundary__button{background-color:var(--color-primary);color:#fff;border:none;padding:10px 20px;border-radius:6px;cursor:pointer;font-weight:500;transition:opacity var(--transition-fast)}.error-boundary__button:hover{opacity:.9}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.toast-container{position:fixed;top:20px;right:20px;z-index:2000;display:flex;flex-direction:column;gap:10px}.toast-item{background-color:var(--color-surface);color:var(--color-text);padding:12px 16px;border-radius:var(--border-radius-md);box-shadow:var(--shadow-md);display:flex;align-items:center;gap:12px;min-width:300px;border-left:4px solid var(--color-primary);animation:slideIn .3s ease}.toast-item--success{border-left-color:var(--color-success)}.toast-item--error{border-left-color:var(--color-danger)}.toast-item--info{border-left-color:var(--color-primary)}.toast-item__message{flex:1;font-size:var(--font-size-body)}.toast-item__close{background:none;border:none;cursor:pointer;color:var(--color-text-secondary);display:flex;align-items:center;justify-content:center}.toast-item__close:hover{color:var(--color-text)}:root{--color-primary: #4361EE;--color-secondary: #3F37C9;--color-accent: #4CC9F0;--color-background: #F8F9FA;--color-surface: #FFFFFF;--color-text: #212529;--color-text-secondary: #6C757D;--color-border: #DEE2E6;--color-success: #2EC4B6;--color-danger: #E63946;--color-warning: #FFB703;--font-family: "Inter", "system-ui", "-apple-system", sans-serif;--font-h1: 2.5rem;--font-h2: 2rem;--font-h3: 1.75rem;--font-h4: 1.5rem;--font-body: 1rem;--font-small: .875rem;--font-tiny: .75rem;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-xxl: 3rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: 1rem;--radius-round: 50%;--shadow-sm: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.24);--shadow-md: 0 4px 6px rgba(0,0,0,.1);--shadow-lg: 0 10px 15px rgba(0,0,0,.1);--transition-default: .3s ease;--transition-fast: .15s ease;--z-header: 5;--z-sidebar: 10;--z-modal: 1000}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--color-background);color:var(--color-text);line-height:1.5}a{text-decoration:none;color:inherit}ul{list-style:none}