:root{--bg-color:#f4f7f6;--text-color:#333333;--primary-color:#4a90e2;--primary-hover:#357abd;--sidebar-bg:#2c3e50;--sidebar-text:#ecf0f1;--card-bg:#ffffff;--border-color:#e0e0e0;--error-color:#e74c3c;--error-bg:#fdf0ef;--success-color:#2ecc71;--success-bg:#eafaf1;--font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--radius:8px;--shadow:0 4px 6px rgba(0,0,0,0.05),0 1px 3px rgba(0,0,0,0.1);--shadow-lg:0 10px 15px rgba(0,0,0,0.1),0 4px 6px rgba(0,0,0,0.05);--transition:all 0.2s ease-in-out}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-family);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none}button,input,textarea{font-family:inherit}.glass{background:rgba(255,255,255,.7);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3)}.btn-primary{background-color:var(--primary-color);color:white;padding:.5rem 1rem;border-radius:var(--radius);font-weight:500;transition:var(--transition);display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.btn-danger{background-color:var(--error-color);color:white;padding:.5rem 1rem;border-radius:var(--radius);font-weight:500;transition:var(--transition)}.btn-danger:hover{background-color:#c0392b}.btn-secondary{background-color:#e0e0e0;color:#333;padding:.5rem 1rem;border-radius:var(--radius);font-weight:500;transition:var(--transition)}.btn-secondary:hover{background-color:#d5d5d5}.input-group{display:flex;flex-direction:column;margin-bottom:1rem}.input-group label{margin-bottom:.3rem;font-size:.9rem;font-weight:500;color:#555}.input-group input,.input-group textarea{padding:.6rem;border:1px solid var(--border-color);border-radius:var(--radius);font-size:1rem;transition:var(--transition);background-color:#fafafa}.input-group input:focus,.input-group textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px rgba(74,144,226,.2);background-color:#fff}.input-group.error input,.input-group.error textarea{border-color:var(--error-color);background-color:var(--error-bg)}.error-message{color:var(--error-color);font-size:.8rem;margin-top:.3rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .4s ease-out forwards}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.animate-spin{animation:spin 1s linear infinite}