* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: #fff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 15px 25px rgba(0,0,0,0.2);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.alert-banner {
    background: #ff4757;
    color: white;
    padding: 8px;
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

header h1 {
    font-size: 1.8rem;
    margin-bottom: 5px;
    color: #f1c40f;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    font-size: 1rem;
    margin-bottom: 20px;
    color: #ecf0f1;
}

.progress-bar-container {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    height: 10px;
    width: 100%;
    margin-bottom: 20px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: #00d2d3;
    width: 33%;
    transition: width 0.3s ease;
}

.question-box h2 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.question-box p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn {
    background: #fff;
    color: #2a5298;
    border: none;
    padding: 15px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.btn:active {
    transform: translateY(2px);
}

.hidden {
    display: none !important;
}

.hidden-step {
    opacity: 0;
    transition: opacity 0.5s;
}

.show-step {
    opacity: 1;
}

.loading-box ul {
    list-style: none;
    margin-top: 15px;
    font-size: 1.1rem;
    text-align: left;
    display: inline-block;
}

.loading-box li {
    margin: 10px 0;
}

.spinner {
    border: 4px solid rgba(255,255,255,0.3);
    border-top: 4px solid #00d2d3;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.result-box .success-text {
    font-size: 1.2rem;
    margin: 15px 0;
    font-weight: 600;
    color: #00d2d3;
}

.gift-box {
    font-size: 4rem;
    margin: 15px 0;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-20px); }
    60% { transform: translateY(-10px); }
}

.timer {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #ff4757;
    font-weight: bold;
}

.cta-btn {
    display: inline-block;
    background: #ff4757;
    color: white;
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 30px;
    font-size: 1.3rem;
    font-weight: 800;
    box-shadow: 0 5px 15px rgba(255, 71, 87, 0.4);
    animation: pulse 1.5s infinite;
    width: 100%;
}

footer {
    margin-top: 25px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}