* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 500px;
    padding: 20px;
}

.content {
    background: white;
    border-radius: 20px;
    padding: 50px 40px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.logo {
    margin-bottom: 25px;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    font-size: 40px;
    color: white;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

h1 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 10px;
}

.description {
    color: #666;
    font-size: 1rem;
    margin-bottom: 35px;
}

.countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 25px;
}

.countdown-number {
    font-size: 4.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: countdownPulse 1s ease-in-out infinite;
}

@keyframes countdownPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.countdown-text {
    color: #666;
    font-size: 1.1rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 25px;
}

.progress {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
    transition: width 1s ease-in-out;
}

.url-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 30px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
}

.url-display .label {
    color: #888;
    font-size: 0.9rem;
}

.url-display .url {
    color: #667eea;
    font-size: 0.9rem;
    font-weight: 500;
    word-break: break-all;
    max-width: 70%;
}

.actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #f0f0f0;
    color: #666;
}

.btn-secondary:hover {
    background: #e0e0e0;
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    body {
        padding: 15px;
    }
    
    .container {
        padding: 10px;
    }
    
    .content {
        padding: 30px 20px;
        border-radius: 15px;
    }
    
    .logo-icon {
        width: 60px;
        height: 60px;
        font-size: 30px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .description {
        font-size: 0.9rem;
        margin-bottom: 25px;
    }
    
    .countdown {
        margin-bottom: 20px;
    }
    
    .countdown-number {
        font-size: 3.5rem;
    }
    
    .countdown-text {
        font-size: 1rem;
    }
    
    .progress-bar {
        height: 6px;
        margin-bottom: 20px;
    }
    
    .actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
        padding: 16px 24px;
        font-size: 1rem;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
}

@media (max-width: 380px) {
    .content {
        padding: 25px 15px;
    }
    
    .logo-icon {
        width: 50px;
        height: 50px;
        font-size: 25px;
    }
    
    h1 {
        font-size: 1.3rem;
    }
    
    .description {
        font-size: 0.85rem;
    }
    
    .countdown-number {
        font-size: 3rem;
    }
    
    .countdown-text {
        font-size: 0.9rem;
    }
    
    .btn {
        padding: 14px 20px;
        font-size: 0.95rem;
    }
}