* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background-color: #f5f7fa;
    line-height: 1.6;
}

.auth-container {
    width: 100%;
    max-width: 450px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.auth-header {
    padding: 32px;
    text-align: center;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
}

.logo {
    width: 60px;
    height: 60px;
    margin-bottom: 16px;
    object-fit: contain;
}

.auth-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.auth-form {
    padding: 32px;
}

.input-group {
    margin-bottom: 24px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #374151;
    font-size: 0.925rem;
}

.input-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

.forgot-password {
    display: block;
    margin-top: 8px;
    text-align: right;
    font-size: 0.875rem;
    color: #3b82f6;
    text-decoration: none;
}

.auth-button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
}

.auth-button:hover {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    transform: translateY(-1px);
}

.auth-footer {
    padding: 24px;
    text-align: center;
    border-top: 1px solid #e5e7eb;
    color: #6b7280;
    font-size: 0.925rem;
}

.auth-footer a {
    color: #2563eb;
    font-weight: 500;
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 640px) {
    body {
        padding: 16px;
    }
    
    .auth-container {
        border-radius: 10px;
    }
    
    .auth-header,
    .auth-form {
        padding: 24px;
    }
}

@media (max-height: 700px) {
    body {
        align-items: flex-start;
        padding-top: 40px;
        padding-bottom: 40px;
    }
}