body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 600px;
    margin: 20px auto;
}

h1 {
    text-align: center;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    margin-bottom: 30px;
}

.input-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

input, select {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.9);
    margin-bottom: 15px;
}

button {
    background: #4CAF50;
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
    transition: background 0.3s;
}

button:hover {
    background: #45a049;
}

#winners {
    margin-top: 30px;
}

.winner-card {
    background: rgba(255, 255, 255, 0.15);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.premio-input {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
}

.premio-input input {
    flex: 1;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    padding: 10px;
    border: none;
    border-radius: 5px;
    width: calc(100% - 50px);
}

.remove-premio {
    background: #ff4444;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 10px;
    cursor: pointer;
    width: auto;
}

#add-premio {
    background: #2196F3;
    margin-bottom: 20px;
}

.premio {
    background: rgba(255, 255, 255, 0.9) !important;
    color: #333 !important;
}

.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    pointer-events: none;
    animation: confettiFall linear forwards;
}

@keyframes confettiFall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
    }
}

.tab-container {
    width: 100%;
    margin-bottom: 20px;
}

.tab-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-button {
    flex: 1;
    padding: 12px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 5px;
    color: white;
    cursor: pointer;
    transition: background 0.3s;
}

.tab-button.active {
    background: rgba(255, 255, 255, 0.3);
    font-weight: bold;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

#limpar {
    background: #ff6b6b;
    margin-top: 20px;
}

#limpar:hover {
    background: #ff5252;
}