/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2c2c2c;
    background: #f8f9fa;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    margin: 0 auto;
}

.content {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
    border: 1px solid #e5e7eb;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header {
    background: #004654;
    padding: 20px;
    text-align: center;
}

.logo {
    display: inline-block;
}

.vinted-logo {
    height: 50px;
    width: auto;
    max-width: 200px;
}

.main-content {
    padding: 24px 24px;
    text-align: center;
}

.icon-container {
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

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

.warning-icon {
    font-size: 3rem;
    filter: drop-shadow(0 4px 8px rgba(0, 70, 84, 0.3));
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: #f0f9ff;
    border-radius: 50%;
    margin: 0 auto;
    padding: 8px;
}

.title {
    font-size: 2rem;
    font-weight: 700;
    color: #004654;
    margin-bottom: 12px;
    line-height: 1.2;
}

.subtitle {
    font-size: 1rem;
    color: #666;
    margin-bottom: 24px;
    font-weight: 400;
}

.message-box {
    background: #f0f9ff;
    border: 1px solid #004654;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    text-align: left;
}

.message-box h2 {
    color: #004654;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
    padding: 8px 16px;
    background: linear-gradient(135deg, #004654, #006b7a);
    color: white;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(0, 70, 84, 0.2);
}

.message-box p {
    color: #2c2c2c;
    margin-bottom: 16px;
    line-height: 1.6;
}

.message-box h3 {
    color: #004654;
    font-size: 0.95rem;
    font-weight: 600;
    margin: 16px 0 8px 0;
}

.takeaways {
    list-style: none;
    padding: 0;
}

.takeaways li {
    color: #2c2c2c;
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    line-height: 1.5;
}

.takeaways li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #004654;
    font-weight: bold;
    font-size: 1.1rem;
}

.event {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e5e7eb;
}

.event:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.event h3 {
    color: #004654;
    font-size: 0.95rem;
    font-weight: 400;
    margin-bottom: 6px;
    line-height: 1.3;
}

.event p {
    color: #2c2c2c;
    margin-bottom: 0;
    line-height: 1.4;
    font-size: 0.9rem;
}

.signup-link {
    color: #004654;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.signup-link:hover {
    border-bottom-color: #004654;
}

.security-tips {
    margin-bottom: 20px;
}

.security-tips h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c2c2c;
    margin-bottom: 16px;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.tip {
    background: #f8f9fa;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 16px 14px;
    text-align: left;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.tip:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 70, 84, 0.15);
    border-color: #004654;
}

.tip-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
    display: block;
}

.tip h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: #004654;
    margin-bottom: 6px;
    line-height: 1.3;
}

.tip p {
    font-size: 0.8rem;
    font-weight: 400;
    color: #2c2c2c;
    margin: 0;
    line-height: 1.4;
}

.footer-message {
    background: #f0f9ff;
    border: 1px solid #004654;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}

.footer-message p {
    color: #004654;
    font-weight: 500;
    margin-bottom: 6px;
    font-size: 0.9rem;
}

.small-text {
    font-size: 0.8rem;
    color: #004654;
    font-weight: 400;
    opacity: 0.8;
}

/* Responsive design */
@media (min-width: 1200px) {
    .main-content {
        padding: 40px 50px;
    }
    
    .vinted-logo {
        height: 60px;
    }
    
    .tips-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
    
    .tip {
        padding: 24px 20px;
    }
    
    .event h3 {
        font-size: 1.05rem;
    }
    
    .event p {
        font-size: 1rem;
    }
    
    .title {
        font-size: 2.25rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .message-box h2 {
        font-size: 1.4rem;
        padding: 10px 20px;
    }
    
    .warning-icon {
        font-size: 4rem;
        width: 100px;
        height: 100px;
        padding: 10px;
    }
}

@media (max-width: 640px) {
    .main-content {
        padding: 20px 16px;
    }
    
    .vinted-logo {
        height: 40px;
    }
    
    .title {
        font-size: 1.75rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    .message-box {
        padding: 16px;
        margin-bottom: 16px;
    }
    
    .message-box h2 {
        font-size: 0.9rem;
        padding: 6px 12px;
        margin-bottom: 12px;
    }
    
    .warning-icon {
        font-size: 2.5rem;
        width: 60px;
        height: 60px;
        padding: 6px;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .tip {
        padding: 14px 12px;
    }
    
    .tip-icon {
        font-size: 1.25rem;
    }
    
    .tip h4 {
        font-size: 0.85rem;
    }
    
    .tip p {
        font-size: 0.75rem;
    }
    
    .event h3 {
        font-size: 0.85rem;
    }
    
    .event p {
        font-size: 0.8rem;
    }
    
    .footer-message {
        padding: 12px;
    }
}

@media (max-width: 480px) {
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .title {
        font-size: 1.75rem;
    }
}