*{margin:0;padding:0;box-sizing:border-box}:root{--tg-theme-bg-color: #1a1a2e;--tg-theme-text-color: #ffffff;--tg-theme-hint-color: #8b8b8b;--tg-theme-link-color: #5dadec;--tg-theme-button-color: #5dadec;--tg-theme-button-text-color: #ffffff;--tg-theme-secondary-bg-color: #16213e}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--tg-theme-bg-color);color:var(--tg-theme-text-color);min-height:100vh;overflow-x:hidden}.app{min-height:100vh;display:flex;flex-direction:column}.header{padding:16px;text-align:center;background:linear-gradient(135deg,#667eea,#764ba2)}.header h1{font-size:24px;font-weight:700;margin-bottom:4px}.header p{font-size:14px;opacity:.8}.nav{display:flex;background:var(--tg-theme-secondary-bg-color);border-bottom:1px solid rgba(255,255,255,.1)}.nav-item{flex:1;padding:12px;text-align:center;cursor:pointer;transition:all .3s;border-bottom:2px solid transparent}.nav-item.active{border-bottom-color:var(--tg-theme-button-color);color:var(--tg-theme-button-color)}.nav-item:hover{background:#ffffff0d}.content{flex:1;padding:16px}.gift-card{background:linear-gradient(145deg,#1e1e3f,#2d2d5a);border-radius:20px;padding:24px;text-align:center;margin-bottom:16px;box-shadow:0 10px 40px #0000004d;border:1px solid rgba(255,255,255,.1)}.gift-image{width:200px;height:200px;object-fit:contain;margin:0 auto 16px;border-radius:16px;background:#0003}.gift-name{font-size:28px;font-weight:700;margin-bottom:8px;background:linear-gradient(90deg,#f093fb,#f5576c);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.gift-label{color:var(--tg-theme-hint-color);font-size:14px;margin-bottom:20px}.btn{width:100%;padding:16px 24px;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s;display:flex;align-items:center;justify-content:center;gap:8px}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 5px 20px #667eea66}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2)}.input-group{margin-bottom:16px}.input-group label{display:block;margin-bottom:8px;color:var(--tg-theme-hint-color);font-size:14px}.input{width:100%;padding:14px 16px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:12px;color:#fff;font-size:16px;outline:none;transition:all .3s}.input:focus{border-color:var(--tg-theme-button-color);box-shadow:0 0 0 3px #5dadec33}.input::placeholder{color:var(--tg-theme-hint-color)}.code-inputs{display:flex;gap:8px;justify-content:center;margin:24px 0}.code-input{width:48px;height:56px;text-align:center;font-size:24px;font-weight:700;background:#ffffff1a;border:2px solid rgba(255,255,255,.2);border-radius:12px;color:#fff;outline:none;transition:all .3s}.code-input:focus{border-color:var(--tg-theme-button-color);background:#5dadec1a}.inventory-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.inventory-item{background:linear-gradient(145deg,#1e1e3f,#2d2d5a);border-radius:16px;padding:16px;text-align:center;border:1px solid rgba(255,255,255,.1)}.inventory-item img{width:80px;height:80px;object-fit:contain;margin-bottom:8px}.inventory-item .name{font-weight:600;font-size:14px}.inventory-item .date{font-size:12px;color:var(--tg-theme-hint-color);margin-top:4px}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:200px}.spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.1);border-top-color:var(--tg-theme-button-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{margin-top:16px;color:var(--tg-theme-hint-color)}.success-screen{text-align:center;padding:40px 20px}.success-icon{width:80px;height:80px;background:linear-gradient(135deg,#11998e,#38ef7d);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 24px;font-size:40px}.success-title{font-size:24px;font-weight:700;margin-bottom:8px}.success-text{color:var(--tg-theme-hint-color);margin-bottom:24px}.error-message{background:#ff52521a;border:1px solid rgba(255,82,82,.3);border-radius:12px;padding:12px 16px;color:#ff5252;margin-bottom:16px;text-align:center}.empty-state{text-align:center;padding:40px 20px;color:var(--tg-theme-hint-color)}.empty-state-icon{font-size:48px;margin-bottom:16px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:fadeIn .3s ease-out}