* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #000000;
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

/* Header */
.header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 40px;
}

.official-reward-badge {
    background-color: #01D632;
    color: #000000;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 10px 24px;
    border-radius: 100px;
    box-shadow: 0 0 20px rgba(1, 214, 50, 0.4);
    animation: bounce-badge 2s ease-in-out infinite;
}

@keyframes bounce-badge {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* Progress Bar */
.progress-container {
    margin-bottom: 60px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.progress-bar {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 20px;
    right: 20px;
    height: 4px;
    background-color: #333;
    transform: translateY(-50%);
    z-index: 1;
}

.progress-fill {
    position: absolute;
    top: 50%;
    left: 20px;
    height: 4px;
    background: #01D632;
    box-shadow: 0 0 10px rgba(1, 214, 50, 0.6);
    transform: translateY(-50%);
    transition: width 0.5s ease;
    z-index: 2;
    width: 0%;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 3;
}

.step {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #000000;
    border: 2px solid #333;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 16px;
    color: #666;
    transition: all 0.3s ease;
    position: relative;
}

.step.active .step-number {
    background-color: #000000;
    border-color: #01D632;
    border-width: 3px;
    color: #01D632;
    transform: scale(1.15);
    box-shadow: 0 0 25px rgba(1, 214, 50, 0.6);
}

.step.completed .step-number {
    background-color: #01D632;
    border-color: #01D632;
    color: #000000;
    font-size: 0;
}

.step.completed .step-number::before {
    content: '✓';
    position: absolute;
    font-size: 20px;
    font-weight: 700;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Survey Container */
.survey-container {
    background-color: #0a0a0a;
    border: 1px solid #1a1a1a;
    border-radius: 16px;
    padding: 40px;
}

.survey-header {
    text-align: center;
    margin-bottom: 40px;
}

.survey-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #01D632 0%, #01FF3C 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.survey-header p {
    font-size: 18px;
    color: #888;
}

/* Survey Steps */
.survey-step {
    display: none;
    animation: fadeIn 0.5s ease;
}

.survey-step.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
    text-align: center;
}

/* Options Grid */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.option-card {
    background-color: #1a1a1a;
    border: 2px solid #2a2a2a;
    border-radius: 12px;
    padding: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
    color: #ffffff;
    font-family: inherit;
}

.option-card:hover {
    border-color: #01D632;
    background-color: rgba(1, 214, 50, 0.05);
    transform: translateY(-2px);
}

.option-card:active {
    transform: translateY(0);
}

.option-icon {
    font-size: 48px;
    line-height: 1;
}

.option-text {
    font-size: 18px;
    font-weight: 600;
}

.option-subtext {
    font-size: 14px;
    color: #888;
}

/* Completion Screen */
.completion-content {
    text-align: center;
    padding: 20px;
    position: relative;
}

.confetti {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.success-icon {
    font-size: 80px;
    margin-bottom: 20px;
    animation: bounce 0.6s ease;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.completion-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.completion-text {
    font-size: 18px;
    color: #888;
    margin-bottom: 40px;
}

/* Timer */
.timer-container {
    margin-bottom: 30px;
}

.timer-label {
    font-size: 14px;
    color: #888;
    margin-bottom: 8px;
}

.timer {
    font-size: 48px;
    font-weight: 700;
    color: #01D632;
    font-variant-numeric: tabular-nums;
}

/* Claim Button */
.claim-button {
    width: 100%;
    max-width: 400px;
    padding: 20px 40px;
    background: linear-gradient(135deg, #01D632 0%, #01FF3C 100%);
    border: none;
    border-radius: 12px;
    color: #000000;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: inherit;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(1, 214, 50, 0.7);
    }
    50% {
        transform: scale(1.02);
        box-shadow: 0 0 40px 10px rgba(1, 214, 50, 0.4);
    }
}

.claim-button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 50px rgba(1, 214, 50, 0.8);
    animation: none;
}

.claim-button:active {
    transform: scale(0.98);
    animation: none;
}

/* Confetti Animation */
.confetti-piece {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: #01D632;
    animation: confettiFall 3s linear forwards;
}

@keyframes confettiFall {
    0% {
        transform: translateY(-100px) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(600px) rotate(720deg);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .progress-container {
        max-width: 300px;
    }

    .step-number {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }

    .survey-container {
        padding: 24px;
    }

    .survey-header h1 {
        font-size: 36px;
    }

    .step-title {
        font-size: 20px;
    }

    .options-grid {
        grid-template-columns: 1fr;
    }

    .completion-title {
        font-size: 28px;
    }

    .timer {
        font-size: 36px;
    }
}

@media (max-width: 480px) {
    .official-reward-badge {
        font-size: 12px;
        padding: 8px 20px;
    }

    .progress-container {
        max-width: 250px;
    }

    .survey-header h1 {
        font-size: 28px;
    }

    .option-icon {
        font-size: 36px;
    }

    .option-text {
        font-size: 16px;
    }
}

/* Footer */
.footer {
    margin-top: 50px;
    padding: 30px 0;
    border-top: 1px solid #1a1a1a;
}

.footer-content {
    text-align: center;
}

.footer-disclaimer {
    font-size: 13px;
    color: #888;
    margin-bottom: 15px;
    line-height: 1.5;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.footer-link {
    color: #01D632;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: #01FF3C;
    text-decoration: underline;
}

.footer-separator {
    color: #444;
    font-size: 13px;
}

@media (max-width: 480px) {
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }

    .footer-separator {
        display: none;
    }
}
