:root{--color-primary: #6366f1;--color-primary-hover: #4f46e5;--color-secondary: #ec4899;--color-background: #f8fafc;--color-surface: #ffffff;--color-text-main: #1e293b;--color-text-muted: #64748b;--color-border: #e2e8f0;--color-success: #22c55e;--color-danger: #ef4444;--font-family: "Inter", system-ui, -apple-system, sans-serif;--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);--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem}body{margin:0;font-family:var(--font-family);background-color:var(--color-background);color:var(--color-text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}*{box-sizing:border-box}h1,h2,h3,h4,h5,h6{margin:0;font-weight:600;line-height:1.2}button{cursor:pointer;font-family:inherit}.container{max-width:800px;margin:0 auto;padding:2rem 1rem}.card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:1.5rem;border:1px solid var(--color-border)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:var(--radius-md);font-weight:500;border:none;transition:all .2s}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover)}.input{width:100%;padding:.75rem;border-radius:var(--radius-md);border:1px solid var(--color-border);font-size:1rem;transition:border-color .2s}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f11a}.participant-list-overlay{position:fixed;top:0;left:0;height:100vh;width:300px;background-color:var(--color-surface);box-shadow:2px 0 5px #0000001a;z-index:1000;padding:2rem 1rem;overflow-y:auto;transition:transform .3s ease-in-out}.participant-list-overlay.open{transform:translate(0)}.participant-list-overlay.closed{transform:translate(-100%)}.participant-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.participant-close-btn{background:transparent;border:none;font-size:1.5rem;cursor:pointer;color:var(--color-text-main)}.participant-item{display:flex;align-items:center;gap:.75rem;padding:.5rem;border-radius:8px;background-color:var(--color-background);border:1px solid var(--color-border)}.participant-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;object-fit:cover}.toast-container{position:fixed;bottom:2rem;left:50%;transform:translate(-50%);background-color:var(--color-text-main);color:#fff;padding:.75rem 1.5rem;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:.75rem;z-index:2000;animation:slideUpFade .3s ease-out}@keyframes slideUpFade{0%{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%)}}