:root{--primary-bg: #1a202c;--surface-bg: #2d3748;--primary-accent: #e53e3e;--text-primary: #edf2f7;--text-secondary: #a0aec0;--border-color: #4a5568;--font-family: "Inter", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body,html{font-family:var(--font-family);background-color:var(--primary-bg);color:var(--text-primary);line-height:1.6;font-size:16px}#root{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:2rem}.container{width:100%;max-width:900px;background-color:var(--primary-bg);padding:2rem;border-radius:8px}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.header-title{display:flex;align-items:center;gap:1rem}.header-logo{font-weight:700;font-size:1.5rem;width:50px;height:50px;display:flex;justify-content:center;align-items:center;border-radius:8px}.header-logo img{width:100%;height:100%;object-fit:cover;border-radius:8px}.header-title h1{font-size:1.75rem;color:var(--text-primary);font-weight:600}.header-actions{display:flex;gap:1rem}.button{background-color:var(--primary-accent);color:var(--text-primary);border:none;padding:.75rem 1.5rem;font-size:.9rem;font-family:var(--font-family);font-weight:600;cursor:pointer;border-radius:6px;display:flex;align-items:center;gap:.5rem;transition:background-color .2s}.button:hover{background-color:#c53030}.button:disabled{background-color:#718096;cursor:not-allowed}.button.secondary{background-color:transparent;border:1px solid var(--border-color)}.button.secondary:hover{background-color:var(--surface-bg)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-bottom:2rem}.stat-card{background-color:var(--surface-bg);padding:1.5rem;border-radius:8px;display:flex;flex-direction:column}.stat-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.stat-card-header span{font-size:.9rem;color:var(--text-secondary)}.stat-card-header svg{font-size:1.25rem;color:var(--text-secondary)}.stat-card-value{font-size:2.5rem;font-weight:700;color:var(--text-primary)}.tabs{display:flex;margin-bottom:2rem;border-bottom:1px solid var(--border-color)}.tab-button{background-color:transparent;color:var(--text-secondary);border:none;border-bottom:3px solid transparent;padding:.75rem 1rem;font-size:1rem;font-family:var(--font-family);cursor:pointer;display:flex;align-items:center;gap:.5rem;margin-bottom:-1px;transition:all .2s}.tab-button:hover{color:var(--text-primary)}.tab-button.active{color:var(--primary-accent);border-bottom-color:var(--primary-accent);font-weight:600}.content-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:1.5rem;display:flex;align-items:center;gap:.75rem}.feedback-list,.ranking-list{list-style:none;display:flex;flex-direction:column;gap:1.5rem}.feedback-card,.ranking-item{display:grid;grid-template-columns:auto 1fr auto;align-items:flex-start;gap:1.5rem;background:var(--surface-bg);padding:1.5rem;border-radius:8px}.ranking-badge{font-size:1rem;font-weight:700;background-color:var(--primary-bg);padding:.5rem .75rem;border-radius:6px;color:var(--text-secondary)}.card-avatar img{width:48px;height:48px;border-radius:50%}.card-content{display:flex;flex-direction:column;gap:.25rem}.card-content-user{font-size:1.1rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;flex-wrap:wrap}.user-role{font-size:.85rem;color:var(--text-secondary);font-weight:500}.anonymous-hint{font-size:.8rem;font-style:italic;color:var(--text-secondary);font-weight:400;margin:0 .25rem}.card-content-comment{font-size:1rem;color:var(--text-secondary);margin-bottom:.5rem}.card-content-date{font-size:.8rem;color:var(--text-secondary)}.card-details{display:flex;flex-direction:column;align-items:flex-end;gap:.5rem}.stars{font-size:1.2rem;letter-spacing:.1rem;color:#f6e05e}.tag{font-size:.75rem;font-weight:600;padding:.25rem .75rem;border-radius:9999px;text-transform:uppercase}.tag.received{background-color:#c53030;color:#fed7d7}.tag.sent{background-color:#2c5282;color:#bee3f8}.tag.anonymous{background-color:#718096;color:#e2e8f0}.ranking-item{grid-template-columns:auto 50px 1fr auto;align-items:center}.auth-container{width:100%;max-width:450px;background:var(--surface-bg);padding:3rem;border-radius:8px}.auth-toggle{display:flex;margin-bottom:2rem;border:1px solid var(--border-color);border-radius:6px;overflow:hidden}.auth-toggle-button{flex:1;padding:.75rem;background:transparent;border:none;color:var(--text-secondary);font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease}.auth-toggle-button:not(:last-child){border-right:1px solid var(--border-color)}.auth-toggle-button.active{background:var(--primary-accent);color:var(--text-primary)}.auth-form{width:100%;display:flex;flex-direction:column;gap:1.5rem}.auth-form h1{text-align:center;margin-bottom:1rem;font-size:2rem;font-weight:700}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:500}.auth-form input,select,textarea{width:100%;background:var(--primary-bg);border:1px solid var(--border-color);padding:.75rem 1rem;font-family:var(--font-family);font-size:1rem;color:var(--text-primary);border-radius:6px}.auth-error{color:var(--primary-accent);font-size:.9rem;text-align:center}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000;padding:1rem}.modal-content{background:var(--surface-bg);padding:2rem;border-radius:8px;width:100%;max-width:500px;position:relative}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.modal-title{font-size:1.5rem;font-weight:600}.close-button{background:none;border:none;color:var(--text-secondary);font-size:1.5rem;cursor:pointer}textarea{min-height:120px;resize:vertical}.star-rating{font-size:2rem}.star-rating button{background:none;border:none;color:var(--border-color);cursor:pointer;font-size:2.5rem;padding:0 .25rem;transition:transform .1s}.star-rating button:hover{transform:scale(1.2)}.star-rating button.active{color:#f6e05e}.anonymous-check{display:flex;align-items:center;margin-top:1rem;gap:.75rem}.anonymous-check input{width:18px;height:18px}.anonymous-check label{font-size:1rem;color:var(--text-secondary)}.submit-button{width:100%;margin-top:1.5rem;padding:.8rem 1.5rem}.avatar-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:1rem;margin-top:1rem}.avatar-option{cursor:pointer;border:3px solid transparent;border-radius:8px;transition:all .2s ease-in-out;padding:4px}.avatar-option:hover{border-color:var(--text-secondary)}.avatar-option.selected{border-color:var(--primary-accent);transform:scale(1.05)}.avatar-option img{width:100%;height:auto;display:block;border-radius:4px}@media (max-width: 768px){#root{padding:1rem}.header{flex-direction:column;align-items:flex-start;gap:1.5rem}.header-actions{width:100%;display:grid;grid-template-columns:repeat(3,1fr)}.stats-grid{grid-template-columns:1fr 1fr}.tabs{flex-wrap:wrap}.feedback-card,.ranking-item{grid-template-columns:auto 1fr;gap:1rem}.card-details{grid-column:2 / 3;flex-direction:row;justify-content:space-between;align-items:center;width:100%;margin-top:.5rem}.ranking-item{grid-template-columns:auto 1fr}.ranking-item .card-avatar{grid-column:1 / 2;grid-row:1 / 3}.ranking-item .ranking-badge,.ranking-item .card-content{grid-column:2 / 3}.ranking-item .card-details{grid-column:1 / 3;margin-top:1rem}}@media (max-width: 480px){.stats-grid,.header-actions{grid-template-columns:1fr}}